TheaterFire

Why do some porches have a green light in the USA?

Posted by supinator1@reddit | AskAnAmerican | View on Reddit | 238 comments

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238 Comments

9human-being@reddit

Holiday light that was never taken down
View on Reddit #84115632

DanDanDan0123@reddit

Never seen a green porch light! Yellow is for bugs. Blue for Autism Awareness Month.
View on Reddit #82241026

MyUsername2459@reddit

Back during the COVID pandemic, people were encouraged to change the porch light to a green color as a show of unity. It was supposed to symbolize us being united in common cause in enduring the pandemic and working to survive through it together. A lot of porch lights changed to green around here. . .but as the pandemic ended most turned back to white.
View on Reddit #81963144

1amAlwaysAnnoyed@reddit

Why isn’t this the top response? Oh yeah, everyone ignores KY. 😔
View on Reddit #82226887

Kingsolomanhere@reddit

Green light on your porch means you support military veterans, a blue light means you support law enforcement
View on Reddit #81962956

FeralGiraffeAttack@reddit

So it’s yet another way to virtue signal?
View on Reddit #81963009

IllustriousRanger934@reddit

It’s made up bs that Facebook boomers come up with. It means nothing. Usually if someone’s porch light is green, and it’s not Halloween, their front yard also looks like a dump
View on Reddit #81963267

bonelessbonobo@reddit

I live in a military town and this is 100% a thing. Why don’t you try knowing what you are talking about before flapping your gums?
View on Reddit #81967838

Peakbrowndog@reddit

It's still made up, someone had to make up for it to become something people do. Not sure how effective this virtue signaling is when most people have no idea of the purpose though.  I always assumed someone got cheap lightbulbs or liked the colors.
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WonderfulProtection9@reddit

Ok by that logic, everything in the world is made up. But that's a far cry from "something made-up on FB"; which puts it on the level of "immigrants eating house pets!!!"...
View on Reddit #82020819

Peakbrowndog@reddit

Well, every concept is made up.   But it does seeem like something cooked up on Facebook as a virtue signal.  Does it really matter where it originated from though?  It's clearly a signal that whatever the purpose of isn't widely known. 
View on Reddit #82024389

WonderfulProtection9@reddit

Tends to infer something is fictitious, or as you say "cooked up". So not everything is applicable. Made up: "not real and existing only in the imagination" * [fictitious](https://www.merriam-webster.com/thesaurus/fictitious) * [imaginary](https://www.merriam-webster.com/thesaurus/imaginary) * [fictional](https://www.merriam-webster.com/thesaurus/fictional) * [mythical](https://www.merriam-webster.com/thesaurus/mythical)[](javascript:void(0)) * [imagined](https://www.merriam-webster.com/thesaurus/imagined) * [fantasied](https://www.merriam-webster.com/thesaurus/fantasied) * [imaginal](https://www.merriam-webster.com/thesaurus/imaginal) * [invented](https://www.merriam-webster.com/thesaurus/invented) * [make-believe](https://www.merriam-webster.com/thesaurus/make-believe) It is impossible to know what all these "green-lighters" are thinking; although the Walmart "honor the Vets" concept from 10 years ago is a totally legit explanation, since there's nothing fictitious about that. So is boating. (If both green and red.) So is virtue signal from FB, or from an actual far right conspiracy, who knows. You're fine though.
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Peakbrowndog@reddit

I don't know what your AI response is supposed to be communicating.
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WonderfulProtection9@reddit

Nothing AI here, clearly not much I on your end either.
View on Reddit #82217709

bonelessbonobo@reddit

Moms are proud of and like to honor their children.
View on Reddit #82041196

Peakbrowndog@reddit

The traditional (and well known, sponsored by many groups and understood throughout the country) is to tie a ribbon around a tree, light post, mailbox post  or column. 
View on Reddit #82041659

bonelessbonobo@reddit

You know what is traditional? Letters. When was the last time that you wrote a letter? When was the last time you sent a text message?
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Peakbrowndog@reddit

My last letter was written on Monday.  I average about 3 a week, plus a few postcards when I travel.   I also wrote them with a fountain pen if your concerned with how traditional I an.  Last text about 5 minutes ago. I'm unsure what this has to do with the conversation. 
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bonelessbonobo@reddit

Times have changed.
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Peakbrowndog@reddit

I'm not holding onto anything.  I don't care what people do.  I saw ribbons on trees this morning
View on Reddit #82186240

bonelessbonobo@reddit

Do you realize everything in existence is made up?
View on Reddit #82041002

Peakbrowndog@reddit

Yes, doesn't everyone?   However, in the colloquial usage of this conversation, I assume the opposite of made up is "official," as in "there is no official reason people use green light bulbs.  Some nautical enthusiasts use them in combination with red lights to signal their hobby,  while others follow a made up idea that it represents supporting the military, despite the fact we have long established methods of signaling that support in a manner everyone would actually understand which don't include colored porch lights."
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bonelessbonobo@reddit

Why are you arguing so hard against this? Leave people do what they wanna do in peace.
View on Reddit #82170482

Peakbrowndog@reddit

When did I ever say anyone should stop doing what they want?  When did I say people should stop doing this?   Please point out where I said that.  Why are you arguing so hard against me just saying what I want instead of leaving me in peace to do what I want?  You don't have to argue with me or comment, it's your choice. 
View on Reddit #82186382

Thatman2467@reddit

It could be Christmas!
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TheDude-Esquire@reddit

Kind of like a bat signal, but for assholes.
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HonestLemon25@reddit

I mean, I guess? Who really cares?
View on Reddit #81963237

KingBobIV@reddit

This is way too far down. If it's a single green light and the rest are normal, it's support for the military
View on Reddit #82058480

HumptyDumpty2000@reddit

Yep, same thing my town. My dad is a veteran, but I'm cheap and hate people coming to my door so it's never on😅😅
View on Reddit #81972145

honorspren000@reddit

Our neighbor puts up a green porch light for Halloween. Then he leaves it up for 6 months before switching back to a regular light. Come Halloween again, he switches back to the green light.
View on Reddit #81963240

Bootmacher@reddit

A guy in my parents neighborhood had two porch lights - one on each side of his front door. His Christmas decorations were one red light and one green light.
View on Reddit #81967445

byamannowdead@reddit

Does he own a boat? Red and Green lights are the nautical navigation colors on buoys and ships. If the red light is on the right side of the channel, you’re heading into port, or “home”, and remembered as Red Right Returning.
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dualdee@reddit

What I'm getting from this is that if the red light's on the right, that's implicit permission to crash a boat into his front door?
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zon5string@reddit

Red Right Return
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ThinWhiteRogue@reddit

Absolutely. The old saying "Red on the right, sailor's delight" comes from this custom.
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dereklaneVO@reddit

Can't tell if this was intended as humor. I think you've conflated two sayings. "Red right returning" meaning that when entering a harbor the sailor should keep the red channel marker on their right. and "Red sky at night, sailors' delight. Red sky at morning sailors take warning." meaning that red sky in the evening implies good weather and vice versa.
View on Reddit #82040248

ThinWhiteRogue@reddit

I'm pretty sure it's about doors
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Golf38611@reddit

Same with aircraft wing tip lights.
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FrostyVariation9798@reddit

I'm into both, AND I have two porch lights. I think I'm going to do this for Christmas as well with one green light and one red light
View on Reddit #82028118

Neferknitti@reddit

Our neighbors do the same thing since we’re all Navy adjacent.
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WonderfulProtection9@reddit

Dark blue lights?
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waynofish@reddit

I was helping to deliver a boat to Hatteras on a rough, cold and windy day. Throwing spray that made visibility hard. and approaching the channel to get to the marina there were red and green lights everywhere as people used them on their houses or any "nautical oriented' place, which is practically anything in a famous fishing village. Needless to say, it was confusing as hell but we didn't hit anything or run aground.
View on Reddit #82006046

Bootmacher@reddit

It was suburban Dallas, so I doubt it.
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bigfoot17@reddit

Kinda overthinking this, red and green are traditional Xmas colors
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etds3@reddit

This was going to be my answer. “Halloween or Christmas light got left that way.”
View on Reddit #81963389

GeauxCup@reddit

And after Christmas is St Patty's - so 6 months is kinda perfect
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VitalisMan@reddit

It’s Paddy’s, not Patty’s.
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OkElephant1931@reddit

It’s Patrick’s, not Paddy’s. Dude was never named St Paddy
View on Reddit #82083095

LibertyLibertyBooya@reddit

THE EVIDENCE Paddy is derived from the Irish, Pádraig: the source of those mysterious, emerald double-Ds. Patty is the diminutive of Patricia, or a burger, and just not something you call a fella. There isn’t a sinner in Ireland that would refer to a Patrick as “Patty”. It’s as simple as that.
View on Reddit #82140199

OkElephant1931@reddit

Ah, so it’s really St. Padraig. Thanks!
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Individual_Rate_2242@reddit

And he wasn't Irish.
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heartlandheartbeat@reddit

Why when Patrick is spelled with a T?
View on Reddit #82024576

VitalisMan@reddit

https://paddynotpatty.com/
View on Reddit #82028561

Melinoe2016@reddit

Is it saint Padrick?
View on Reddit #81995333

VitalisMan@reddit

https://paddynotpatty.com/
View on Reddit #81998787

Melinoe2016@reddit

Home of the original kitten mittens
View on Reddit #81995290

brennabrock@reddit

I have had an orange light on my front porch for 2 years because I switched it out one Halloween and havent switched it back.
View on Reddit #81968437

imzadi111@reddit

I just bought smart bulbs that I can change to any color from my phone. This is way easier than changing a bulb.
View on Reddit #82003542

pmgoldenretrievers@reddit

I do not want my lightbulbs to have a freaking internet connection and an app on my phone.
View on Reddit #82013278

brew-ski@reddit

Same! So I got a color changing bulb that just has a little remote we keep by the front door. No app, but easy to change brightness level and switch between about 7 colors.
View on Reddit #82048025

imzadi111@reddit

It is just the app that controls my router anyway and not a separate app. I love the ease of not having to stand on a ladder to change these lightbulbs. The bulbs can also be controlled via the Alexa app. Alexa turns them on at sunset and off at sunrise whether I am home or not. I was always forgetting to turn them off until mid-morning and now I do not have to think about it. Also, I love it if I get home after dark and they are already on. I can hardly find my keyhole without the porch light. It has made my life easier.
View on Reddit #82016204

Goat_inna_Tree@reddit

My neighbor does that also, but he leaves it for 12 months.
View on Reddit #81990951

Gingerbrew302@reddit

Ours was green for 2 years.
View on Reddit #81989703

PapaTua@reddit

This is literally the situation *at my house*! My porch light is very precarious to change, so I don't change it. Porch light is still green from Christmas.
View on Reddit #81972866

SushiGirlRC@reddit

You must live in my neighborhood.
View on Reddit #81965457

band-of-horses@reddit

It means the light is on the starboard side of their porch.
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Avery_Thorn@reddit

I always smile when I see a red light to port and a green light to starboard on a porch. Particularly near the lake. :-)
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Crazy_Raven_Lady@reddit

Honest question so sorry if it’s stupid..how do you know where to put the red light and where to put the green light? What are “port and starboard” on the porch in relation to? Is it in relation to front and back yard? Or proximity to the lake or street? Like on a boat there is a definite front of the boat but what is the front of my house?
View on Reddit #81967266

Suppafly@reddit

> Like on a boat there is a definite front of the boat but what is the front of my house? Presumably the side with the front door.
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Crazy_Raven_Lady@reddit

But from what direction would you say? Facing the front door from inside the house or facing the front door from the porch?
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Suppafly@reddit

> But from what direction would you say? When you're standing on a boat, it's relative to the front, the port side is the left, I imagine houses should work the same way, although maybe the opposite would make more sense and have it relative to the outside.
View on Reddit #82187749

WritPositWrit@reddit

Thats an excellent question because i always wonder too. Im glad you asked. There are good answers here.
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DJFurioso@reddit

“Red right return” for channel markers. Keep the red markers on your right as you’re coming into port to stay within the channel. I’d set up my door the same way, keep red on the right side when I’m coming home.
View on Reddit #81971234

carolinaredbird@reddit

I also say “red right in/green goes out
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IanDOsmond@reddit

I would say that the wall with the front door is the front. I feel like the meanings of "front" in a boat and a house are subtly different, but close enough that it works for this purpose.
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Avery_Thorn@reddit

Not a dumb question at all. I just wish I had a better answer. I would think of the front door as being the "front" of the "boat", so the green should be on the left and the red to the right, as you face and approach the door. But if they think of the front porch as the "swim platform" and that the entry is on the transom, then it would be the other way around. Or, more likely, they don't worry about it and put the lights in the direction that looks best to them. :-)
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Excellent-Practice@reddit

If anything, the front door is on the port side of a house.
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Anegada_2@reddit

I’d put the red on the right side as I approached the front door, guiding me to safe harbor
View on Reddit #82122800

MissionFever@reddit

It seems silly, but it's really the best way to figure out which end of the porch is the bow.
View on Reddit #82052105

DragonflyOnFire@reddit

I found the random boater here. What kind of boat do you have?
View on Reddit #81964278

diversalarums@reddit

Took me a minute! I was thinking of channel markers. Spent too much time on the intracoastal waterway in Florida, lol (red on right returning).
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JoyDVeeve@reddit

😆
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ImQuestionable@reddit

Mercury vapor lamp
View on Reddit #82142483

FeelingDelivery8853@reddit

They attract less bugs
View on Reddit #81963271

Outrageous-Pin-4664@reddit

\*fewer
View on Reddit #82115696

WthAmIEvenDoing@reddit

What if you can’t count them? Then, less would be correct lol.
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Outrageous-Pin-4664@reddit

Like just an indiscriminate mass of bug? "Honestly, I could do with a bit less bug." Yeah, that works, but if they're uncountable, then it's singular: bug.
View on Reddit #82133040

WthAmIEvenDoing@reddit

I’m sitting at a baseball field in the South, and the ball park lights are on so my current frame of reference is highly influencing my comments 🫠
View on Reddit #82136538

Outrageous-Pin-4664@reddit

You win this round. 😂
View on Reddit #82139504

WthAmIEvenDoing@reddit

Being from Florida, I knew you would understand my plight! 😜
View on Reddit #82139736

FeelingDelivery8853@reddit

A few less I guess
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LonelyWord7673@reddit

Really? Cool
View on Reddit #82055452

sametho@reddit

Especially in places with fishflies/mayflies
View on Reddit #82015808

wombatIsAngry@reddit

Luring Gatsby
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Imaginary_Ladder_917@reddit

LOL. Our high school prom is going with a Gatsby theme this year and I asked the woman designing the decorations for part of the festivities if she was going to have a green light. She had no idea what I was talking about. I explained. I told my 20 year old daughter about the theme and she said, “Will there be a green light?” I finally got a text from the decorating parent saying she’d been asked about a green light by a third person and that she “will be incorporating.”
View on Reddit #81964045

Successful-Clock-224@reddit

I guess she was trying to do the Unintentionally Ironic Gatsby theme
View on Reddit #82136451

wombatIsAngry@reddit

It's nice to see the youth appreciating art!
View on Reddit #81964836

Imaginary_Ladder_917@reddit

The invitations are really pretty. The student who designed them did a great job. They are very Art Deco and elegant.
View on Reddit #81989114

Sassifrassically@reddit

I was going to say the same thing lol
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vestigialcranium@reddit

Oh, that's great...
View on Reddit #81969744

ubiquitous-joe@reddit

The green really compliments the orgastic future that year by year recedes before us.
View on Reddit #81964804

wombatIsAngry@reddit

Borne back ceaselessly to the punch table.
View on Reddit #81964928

AnybodySeeMyKeys@reddit

I came here to say that, Mr. East Egg.
View on Reddit #81964156

WiseQuarter3250@reddit

there's multiple reasons. sometimes it's part of decor for certain holidays sometimes it's to reflect team or school colors sometimes it's to show support for veterans who have a high suicide rate. So you have to know context
View on Reddit #81963351

SushiGirlRC@reddit

So *that's* what the Red Light District is doing!
View on Reddit #81965496

WiseQuarter3250@reddit

red light district is an antiquated use. red light is common in dark sky preserves, or those worried about how light pollution interrupts circadian rhythms in a range of animals, including humans.
View on Reddit #81967901

PikaPonderosa@reddit

>red light district is an antiquated use. Those Eastern European gals in De Wallen didn't look antiquated.
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PhotoFenix@reddit

They didn't look antequated because of the red light
View on Reddit #82135802

Outrageous-Pin-4664@reddit

Give them a couple of years.
View on Reddit #82115670

SushiGirlRC@reddit

It was a joke. Sigh.
View on Reddit #82005038

purplishfluffyclouds@reddit

*are
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Im_tracer_bullet@reddit

If you're going to attempt to be pedantic, at least be correct.
View on Reddit #81986679

burlingk@reddit

What are you correcting? Their usage of 'is' looks correct.
View on Reddit #81969698

Trick-Statistician10@reddit

My brother had a green light for years. Made it easier to find his house at night on a dark atreet
View on Reddit #81971251

Maleficent-Box4114@reddit

And sometimes it’s so the homies know you grow 🪴
View on Reddit #81968707

CFBCoachGuy@reddit

Could also be an older blue or white plastic light that’s been discolored due to wear or pollen.
View on Reddit #81966487

WthAmIEvenDoing@reddit

Maybe it was from St Patrick’s Day? I live in the south and have never seen someone with a green porch light unless it’s decoration for a holiday.
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Electrical_Cash8532@reddit

I've only seen them in coastal towns where sea turtles will be nesting.
View on Reddit #82105138

tubbis9001@reddit

The light in my parents' porch is green because she say "green" on the package and thought it meant "energy efficient." "I'll replace it when that one burns out." That was 15 years ago.
View on Reddit #82099535

groundhogcow@reddit

Different colored lights attract different bugs. Different colored lights affect your eyes differently. Different colored lights carry different social stigmas. Different colored lights sometimes look cool. The store sells different colored lights and people pick whatever color for whatever insane reason they pick it.
View on Reddit #82092399

slleslie161@reddit

We changed our porch and outer garage light from a soft yellow to a dim red a couple years ago to help nighttime migrating birds and to reduce overall light pollution. Not sure if green works the same....
View on Reddit #81963950

ChocolateChingus@reddit

Green is worse than yellow. If that’s your goal you should just turn your porch light off. Green and blue is good at attracting birds, that might be what you’re thinking of.
View on Reddit #82023151

slleslie161@reddit

You're absolutely right. We were using now outdated knowledge. They are off tonight and will be switched tomorrow. Thank you, ChocolateChingus.
View on Reddit #82061486

iampatmanbeyond@reddit

My city is weird a majority of people dont have porch lights on. I think once people started installing ring cameras they dont really bother leaving the light on
View on Reddit #81964676

timwtingle@reddit

Green means swingers. Or is it upside down green?
View on Reddit #82059534

LonelyWord7673@reddit

I never changed it back after Christmas.
View on Reddit #82055483

WildMartin429@reddit

I honestly have not seen a green light on a porch before other than it maybe Christmas I know that some people have yellow white bulbs that are supposed to attract less insects but they don't really work. Also as a child I would hear veiled references to people who had red porch lights and it wasn't until I was much older that I got the historical reference for that because apparently if you have a red porch light it means that you're a prostitute and that you're accepting customers.
View on Reddit #82055208

Designer-Travel4785@reddit

Around here, it's usually the Irish households, for St. Paddy day. Some leave them up all year and have an Irish flag.
View on Reddit #82052628

Queasy-Flan2229@reddit

Bugs
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Relevant_Elevator190@reddit

A green porch light most commonly symbolizes support, appreciation, and recognition for U.S. veterans and active military members. Popularized by the "[Greenlight a Vet](https://www.google.com/search?q=Greenlight+a+Vet&rlz=1C1VDKB_enUS1029US1029&oq=green+porch&gs_lcrp=EgZjaHJvbWUqBwgAEAAYgAQyBwgAEAAYgAQyBggBEEUYOTILCAIQABgKGAsYgAQyBwgDEAAYgAQyCwgEEAAYChgLGIAEMgsIBRAAGAoYCxiABDILCAYQABgKGAsYgAQyBggHEEUYPNIBCDU2MDNqMGo3qAIAsAIA&sourceid=chrome&ie=UTF-8&ved=2ahUKEwjJiMXJ98iTAxVQHDQIHd32LBcQgK4QegYIAQgAEAQ)" campaign,
View on Reddit #82049435

seatownquilt-N-plant@reddit

We put a blue one in just because we had a blue light bulb on hand.
View on Reddit #82048433

Youcants1tw1thus@reddit

I don’t see this in my region.
View on Reddit #81963571

TheBimpo@reddit

Yeah, I was kind of amazed that people had responses to this. I’ve never even heard of it.
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BigBearOnCampus@reddit

Funny cuz I live in SE Michigan and seen them heavily after the initial Iraqi war in 2003 under the guise of “our troops need to know who supported them” but it was all bs
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TheRateBeerian@reddit

Ive also never seen it, and have lived in indiana, philadelphia, kansas and florida.
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AFartInAnEmptyRoom@reddit

Yeah I've never seen it down here in Florida
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Free-Sherbet2206@reddit

Me neither
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TsundereLoliDragon@reddit

Yeah, I have no idea what they're talking about.
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holymacaroley@reddit

I haven't in the cities where I've lived in NC, either.
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alxfx@reddit

you'll find this around plenty of MA towns for sure. It's at least common here in the Merrimack Valley. Green porch light is support for military, blue is for police, red is for firefighters and EMS. It's most-commonly done by parents whose children serve/work in the respective jobs
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Happy_Confection90@reddit

I've seen it a lot, though, in New Hampshire. I was told it has something to do with supporting veterans though I'm not sure in what way 🤷‍♀️
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Cool-Coffee-8949@reddit

Me neither. Have never seen this.
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Working-Tomato8395@reddit

Virtue signaling about supporting the troops/veterans while the people inside the house consistently vote against their interests and well-being. 
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AFartInAnEmptyRoom@reddit

I've literally never seen a green light on a porch, unless it's Christmas strong lights
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_WillCAD_@reddit

Well, it's a kids' game, you see - Red Light, Green Light.
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Suppafly@reddit

It mostly doesn't mean anything. The military and walmart cooked up some campaign to use green lights to support the troops somehow, but it's not really a thing that people do.
View on Reddit #82028913

relikter@reddit

It's the opposite of a red light district. Just keep on moving because what you're looking for isn't here.
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Suppafly@reddit

>It's the opposite of a red light district. Just keep on moving because what you're looking for isn't here. I wish people wouldn't post and upvote jokes in a sub designed for explaining things to foreigners.
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YouFeedTheFish@reddit

But I'm looking for wholesomeness?
View on Reddit #81965329

relikter@reddit

You're looking for Mr. Roger's neighborhood or Sesame Street. This ain't it; keep moving.
View on Reddit #81965460

captain_ohagen@reddit

green light district. yeah, you know what I'm talking about
View on Reddit #82026839

SnowblindAlbino@reddit

Colored lights are cheap and simple now. In my neighborhood in the last week I've seen white, yellow, green, blue, purple, orange, and red lights. Mine are currently yellow. I see more green at Christmas. But there's really no rhyme or reason to it now-- I know one house that has theirs set to random so it's a different color each night.
View on Reddit #81964810

WonderfulProtection9@reddit

I do know that it's driving my HOA crazy 🤣🤣🤣
View on Reddit #82021268

SnowblindAlbino@reddit

Some of my bulbs have a "party mode" that makes them sort of strobe through all the colors. If I had a whiny HOA I'd probably use that every night.
View on Reddit #82024771

WonderfulProtection9@reddit

Fortunately our HOA is mostly a formality and really cheap...
View on Reddit #82026437

Weekly_Barnacle_485@reddit

To show support for a family member in the Army.
View on Reddit #82026059

AmberWavesofFlame@reddit

In our case, we were told they attracted bugs less.
View on Reddit #82023379

Odd-Tell-5702@reddit

We have color changing coach lights on our garage. My husband changes them for holidays and such.
View on Reddit #82023200

HairyDadBear@reddit

They installed it for Christmas and never bothered to change it. 
View on Reddit #82021731

balthisar@reddit

I don't even know where to get a green light, other than using a Hue light, but that’s not really mainstream among normies.
View on Reddit #81999325

WonderfulProtection9@reddit

Walmart was pushing the idea about 10 years ago. I'm sure they conveniently also sold the bulbs...
View on Reddit #82021568

bertmom@reddit

We’ve had purple for Halloween, green at Christmas. Sometimes they get left a little longer than intended
View on Reddit #81991565

WonderfulProtection9@reddit

"Purple" was probably actually ultraviolet, since that makes things glow. Although some are better than others, and some could certainly just be purple...
View on Reddit #82021455

DickBottalico@reddit

Go birds
View on Reddit #81967260

WonderfulProtection9@reddit

Or airplanes.
View on Reddit #82020863

GrayEagle825@reddit

I have web enabled smart LEDs and change the color for every season/holiday.
View on Reddit #82020499

SufficientProject273@reddit

3 reasons that I know of: 1.) Shows support for Veterans 2.) Its not as blinding as a yellow or white light 3.) It doesn't attract bugs.
View on Reddit #82019095

pixienightingale@reddit

I mean, i'd have my outdoor lights set to teal if my husband would let me LOL - probably just what color they prefer.
View on Reddit #82013768

LizardHunters@reddit

My porch light is green, but not for any of the reasons people are listing. Our reason... house trim is green. When we are expecting deliveries, we tell the driver to look for the house with the green porch light. It makes us easy to find, as none of our neighbors have green lights.
View on Reddit #82007034

beardiac@reddit

I've never seen this outside of holiday applications. I *have* seen red lights outside in southern coastal areas - this is to keep sea turtles from following the lights and getting stuck on land places they don't want to be.
View on Reddit #82006416

waynofish@reddit

Red is too dark, so green or yellow help knock the number of bugs at the doorway to 1/2 compared to a typical white light. At least that is why I use a green light. No meaning to it whatsoever.
View on Reddit #82006245

sean8877@reddit

Don't see that where I live but I see a lot of windows lit up with bright red or other bright colors. I always assumed people were growing weed in there.
View on Reddit #82005909

Horzzo@reddit

"Creepy Green Light" Type 0 Negative
View on Reddit #82004342

imzadi111@reddit

I change the color of my porch/garage lights with the holiday/season. Smart bulbs make it easy. I just changed it from the green which was forcSt Patrick's day.
View on Reddit #82004124

Ubernoob2012@reddit

It's for veterans. Kinda like a yellow ribbon.
View on Reddit #82001425

Lovemybee@reddit

Back in the day it meant that they sold weed.
View on Reddit #81983752

Sad-Corner-9972@reddit

And they were holding. Red light: no weed, don’t stop.
View on Reddit #81998905

spider_pork@reddit

This could be something that started in my town. The Loyola student that was murdered in Chicago by an undocumented person from Venezuela is from here, she graduated from our high school like last year I think. So the town is doing a "justice for Sheridan" thing where people are putting green bulbs in their porch lights to show support. The school colors are green/white. I wouldn't be surprised if the anti-immigrant crowd jumped on this and tried to bring it nationwide.
View on Reddit #81998547

adamsauce@reddit

I have a lot of neighbors who do this. They do this to support veterans.
View on Reddit #81997977

Danloeser@reddit

It could be a local sports thing. You see a lot of purple porch lights in Maryland during football season.
View on Reddit #81997375

biggron54@reddit

Veteran support
View on Reddit #81996627

ButItSaysOnline@reddit

Can't say I've ever seen one.
View on Reddit #81996398

IrianJaya@reddit

I have a neighbor who uses a different porch light color depending on whatever holiday is coming up. Currently it's purple for Easter. A few weeks ago it was green for St. Patrick's Day. It is red for Christmas and orange for Halloween. Whenever there's not a holiday coming up it's blue.
View on Reddit #81996276

jimmyrocks@reddit

St. Patrick’s day?
View on Reddit #81964268

lagonitos@reddit

Attracts leprechauns and gold, repels snakes.
View on Reddit #81995971

Melinoe2016@reddit

Mine are currently green for st Patrick’s day
View on Reddit #81995314

Reaganson@reddit

I’ve never seen a green light in my heavy populated area.
View on Reddit #81994762

CobandCoffee@reddit

At least where I live back in 2020 the governor and others encouraged people to put up green porch lights as a symbol of support for medical and other essential workers. I've noticed some people who didn't bother changing them after that until the bulb eventually died. This was in Kentucky.
View on Reddit #81994456

AdamOnFirst@reddit

So we can beat on, boats against the current, borne back ceaselessly toward the past.
View on Reddit #81963249

turdferguson3891@reddit

You're a Daisy if you do
View on Reddit #81963542

TacoRedneck@reddit

I'll be your Huckleberry...
View on Reddit #81964462

turdferguson3891@reddit

Evidently Mr. Ringo here is an educated man
View on Reddit #81965417

Komnos@reddit

Now I _really_ hate him.
View on Reddit #81991680

Sewer-Urchin@reddit

He reminds me of...me.
View on Reddit #81993341

alargepossum@reddit

If i’m having food delivered I’ll turn my light green and put in the instructions to look for the house with the green light
View on Reddit #81992850

LetterheadClassic306@reddit

i see those around here too. usually it means they support military veterans - the greenlight a vet campaign started a few years back. sometimes it's also used to show support for medical cannabis or just a seasonal thing around st patricks. hard to know without asking them but the vet thing is probably the most common one nationwide.
View on Reddit #81966759

-Sanguinity@reddit

This is the right answer. It's Project Greenlight, for vets. https://www.usar.army.mil/Portals/98/Documents/For_Commands/108th%20PDF%20DOCS/Greenlightavet.pdf
View on Reddit #81992707

Vulpix_lover@reddit

Plenty of reasons, but the reason I know of is to show that a service member or veteran lives there
View on Reddit #81992593

DanDamage12@reddit

I have a color changing porch light so I’ll change the color for holidays or our sports teams. Maybe they didn’t for st Patrick’s day or the local teams?
View on Reddit #81992586

Player-non-player@reddit

When I was growing up green lights on porches was a way of letting you know you can go to their houses for help and safety.
View on Reddit #81991124

CharlesFXD@reddit

It’s to support this, that and the other thing. Green for military. Blue for police. Red for… fire department?? Idk. But our green is up for Saint Patrick’s day. Still up. I gotta put a white one back in lol
View on Reddit #81989235

CoachOpen1977@reddit

Weed house!
View on Reddit #81989064

Dapper-Bar1746@reddit

?????????????????????????????? x10
View on Reddit #81987763

boomer-rage@reddit

In my area people display blue lights on their porches to honor law enforcement and green lights for EMTs/first responders. Some have both.
View on Reddit #81987646

lisanotmuch@reddit

I put colored bulbs in my backyard light fixture just for fun.
View on Reddit #81986279

Embarrassed-Bowl-373@reddit

It means they sell weed. Knock on the door and bring cash
View on Reddit #81984890

pinniped90@reddit

Swingers live there. No wait, that's a large white rock. Never mind.
View on Reddit #81983898

bdanred@reddit

To honor veterans
View on Reddit #81983733

fakehighschoolgf@reddit

Because I'm waiting for it (that green light). I want it.
View on Reddit #81981224

JustGiveMeAnameDude9@reddit

Part of the "Green Light a Veteran" campaign. It is to show support for veterans and appreciation for their service. It started about 10 years ago. https://www.usar.army.mil/Portals/98/Documents/For_Commands/108th%20PDF%20DOCS/Greenlightavet.pdf https://www.naco.org/program/operation-green-light-veterans
View on Reddit #81980145

NextNebula3561@reddit

So the baby crabs can walk back to the ocean. A relative of mine lives on the Oregon coast, everyone who lives on the coastline had greenish porch lights as to not confuse the baby crabs. 
View on Reddit #81979770

Bluemonogi@reddit

This isn’t common in my area.
View on Reddit #81979241

Constellation-88@reddit

I’ve never seen one, lol
View on Reddit #81964101

cloudsurfinglion@reddit

Me neither
View on Reddit #81978170

Paramedic229635@reddit

A Walmart exec accidently bought a warehouse worth of green light bulbs. He then convinced us it was the best way to support the troops.
View on Reddit #81973152

WittyAcronym@reddit

At least a few people put them up as support to veterans. This has been the case in at least 3 places ive lived in AZ, OR, and GA.
View on Reddit #81972834

encaitar_envinyatar@reddit

I calibrate the intensity, color, and on/off times to disturb wildlife as little as possible.
View on Reddit #81971269

RedditWidow@reddit

I've never seen a green porch light in my life and I'm in my 50s. Maybe it's a regional thing? Where did you see it?
View on Reddit #81969162

iPoseidon_xii@reddit

In case it floods
View on Reddit #81968906

Minimum-Attitude389@reddit

I've seen this and associate it with certain plants being sold there.
View on Reddit #81968599

bonelessbonobo@reddit

In support of the military. Blue for the police.
View on Reddit #81967730

Several-Buy-3017@reddit

It’s to show that the home is a safe place for veterans if someone needed to talk. I believe it came out during the 22-a-day campaign against veteran suicide.
View on Reddit #81967630

Sad_Win_4105@reddit

It' indicates support for military veterans
View on Reddit #81967323

sleepyone420@reddit

I used to see signs about them it's something about supporting veterans
View on Reddit #81966011

beyondplutola@reddit

As a veteran, I had no idea my neighbors were appreciating me. I was just confused why they don’t use a more pleasant 2600k soft white for their outdoor lights.
View on Reddit #81966894

shammy_dammy@reddit

Veteran appreciation.
View on Reddit #81966058

Adorable_Dust3799@reddit

Yellow and green don't attract as many bugs
View on Reddit #81965939

Intrepid_Ad1715@reddit

The light is green, the trap is clean.
View on Reddit #81965539

Dave_A480@reddit

1) You live in the Seattle area & there's a blue light on the other side of the porch-> Seahawks fan 2) 'Operation Green Light' = support for veterans
View on Reddit #81965028

tjk45268@reddit

I have a yellow light that means "death to insects!".
View on Reddit #81963202

shelwood46@reddit

I have an LED smart bulb that will do any color, but, yeah, I tend to go amber.
View on Reddit #81964957

iampatmanbeyond@reddit

It's a support for army and blue is police
View on Reddit #81964554

Asparagus9000@reddit

All the houses in my neighborhood with colored porch or driveway lights it's a part of holiday decorations.  They just don't bother changing the bulb back when the holiday is over. 
View on Reddit #81964551

BigNorseWolf@reddit

put it up for halloween once and it lasted 10 years
View on Reddit #81964434

IPreferDiamonds@reddit

Never seen anyone with a green light on their porch in my area.
View on Reddit #81964402

MoonieNine@reddit

YEARS ago... like 20 years ago, Walmart started an advertising campaign to encourage people to install green lights to support the military. It was a marketing gimmick, thankfully largely unsuccessful, that preyed on the stupid.
View on Reddit #81964095

Slight_Manufacturer6@reddit

Never seen that here
View on Reddit #81963850

somecow@reddit

Aside from the above, can also be used even on your driveway to be able to recognize, well, your driveway (it gets dark out in the sticks).
View on Reddit #81963540