# How many clocks do you need to manually change for DST?

**URL:** <https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794>\
**Category:** In My Humble Opinion\
**Created:** [November 6, 2016, 8:10am UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794 "2016-11-06T08:10:58Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![running\_coach](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/running_coach/32/15836_2.png) [@running\_coach](https://boards.straightdope.com/u/running_coach)\
**Post date:** [November 6, 2016, 2:26pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/21 "2016-11-06T14:26:22Z")

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> [@TheChileanBlob](#):
>
> “ **spring** forward, **fall** back” 😛

Never made sense. If you trip, you fall forward. If you open a drawer and there’s a big spider, you spring back.  
😛

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**Author:** ![Pai325](https://avatars.discourse-cdn.com/v4/letter/p/c68b51/32.png) [@Pai325](https://boards.straightdope.com/u/Pai325)\
**Post date:** [November 6, 2016, 2:35pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/22 "2016-11-06T14:35:19Z")

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Oven, microwave, analog kitchen wall clock, fireplace mantel clock, car, watch, and alarm clock.

Boy, I loved living in Indiana in the 80s. I wish we would just pick one time and stick with it. This spring we could spring ahead 30 minutes and split the difference.

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**Author:** ![LSLGuy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lslguy/32/5813_2.png) [@LSLGuy](https://boards.straightdope.com/u/LSLGuy)\
**Post date:** [November 6, 2016, 2:55pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/23 "2016-11-06T14:55:17Z")

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Conventional oven, microwave, 2 cars, 1 wristwatch.

Everything else is smart enough to do it itself.

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**Author:** ![LSLGuy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lslguy/32/5813_2.png) [@LSLGuy](https://boards.straightdope.com/u/LSLGuy)\
**Post date:** [November 6, 2016, 2:59pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/24 "2016-11-06T14:59:31Z")

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> [@Alessan](#):
>
> …  
> Incidentally, I’ve never seen a microwave with a clock. What’s it for?

I don’t think I’ve seen one withOUT a clock since they stopped using a wind-up dial for the timer control back in the 1970s.

If it has an electronic numeric display, that display shows a clock when it’s not counting down the cooking time.

Pretty much ditto on any conventional oven with a numeric display.  
To be sure there are the simplified microwave ovens for restaurants, corporate break rooms and such with just a handful of preset buttons like a 1960s car radio. But those are the tiny minority of ovens in use today.

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**Author:** ![Little\_Nemo](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/little_nemo/32/3120_2.png) [@Little\_Nemo](https://boards.straightdope.com/u/Little_Nemo)\
**Post date:** [November 6, 2016, 4:18pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/25 "2016-11-06T16:18:21Z")

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I believe it’s just two; my alarm clock (which I’ve reset) and the dashboard clock in my car (which I haven’t yet). The clocks in my computer and cable box reset themselves.

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**Author:** ![John\_Mace](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/john_mace/32/185_2.png) [@John\_Mace](https://boards.straightdope.com/u/John_Mace)\
**Post date:** [November 6, 2016, 4:32pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/26 "2016-11-06T16:32:26Z")

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None. I have people who do that for me.

Just kidding… I have 5.

Microwave, radio clock, 2 thermostats, and my vehicle. Brand new vehicle, and I was surprised it didn’t switch automatically since it’s got all the new Traffic info stuff on the screen, so it must be getting that form somewhere.

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**Author:** ![LSLGuy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lslguy/32/5813_2.png) [@LSLGuy](https://boards.straightdope.com/u/LSLGuy)\
**Post date:** [November 6, 2016, 4:37pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/27 "2016-11-06T16:37:55Z")

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:smack: Thermostats! Thanks for the reminder.

Grumble grumble; gotta get up from comfy chair & warm coffee before forget; grumble grumble.

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**Author:** ![Suburban\_Plankton](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/suburban_plankton/32/219_2.png) [@Suburban\_Plankton](https://boards.straightdope.com/u/Suburban_Plankton)\
**Post date:** [November 6, 2016, 4:40pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/28 "2016-11-06T16:40:27Z")

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I think 7.

Clock on the microwave  
Clock on the stove  
Clock radio in the bedroom  
Clocks in three cars  
Old-fashioned style mantlepiece clock

I guess technically we might ‘need’ to change the clock on our thermostat…but we never use it in programmable mode, so we never bother.

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**Author:** ![blondebear](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/blondebear/32/1022_2.png) [@blondebear](https://boards.straightdope.com/u/blondebear)\
**Post date:** [November 6, 2016, 4:46pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/29 "2016-11-06T16:46:24Z")

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Only three at home, but since I’m the first one in the office I get to change ten or so wall clocks at work tomorrow morning.

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**Author:** ![silenus](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/silenus/32/166_2.png) [@silenus](https://boards.straightdope.com/u/silenus)\
**Post date:** [November 6, 2016, 5:00pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/30 "2016-11-06T17:00:18Z")

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Microwave and alarm clock at home. Wall clock and desk clock at work.

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**Author:** ![ftg](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ftg/32/2801_2.png) [@ftg](https://boards.straightdope.com/u/ftg)\
**Post date:** [November 6, 2016, 5:09pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/31 "2016-11-06T17:09:17Z")

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> [@ftg](#):
>
> 14 I think. Probably 15 since I always forget one.

Forgot more than one. Up to 22 now. (Two of those did auto-change to ST, but while checking them I noticed they were off and needed adjusting.)

I also changed my furnace filter. Somehow that’s time-change related to me.

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**Author:** ![scr4](https://avatars.discourse-cdn.com/v4/letter/s/59ef9b/32.png) [@scr4](https://boards.straightdope.com/u/scr4)\
**Post date:** [November 6, 2016, 5:24pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/32 "2016-11-06T17:24:12Z")

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Bedroom: 2 alarm clocks  
Living room: 2 clocks  
Kitchen: microwave, range, rice cooker, wall clock, answering machine  
Home office: 1 clock  
Cars: 2

total = 12

Automatic: garage wall clock, weather station, smartwatch, phones, tablets, computers, etc

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**Author:** ![Trinopus](https://avatars.discourse-cdn.com/v4/letter/t/2bfe46/32.png) [@Trinopus](https://boards.straightdope.com/u/Trinopus)\
**Post date:** [November 6, 2016, 5:37pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/33 "2016-11-06T17:37:04Z")

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Twelve. My fave is a nautical-style clock, which you can’t go backwards on, so you have to go forward 23 hours.

Ding. Ding-Ding. Ding-Ding Ding. Ding-Ding Ding-Ding…

If I come across as a ding-a-ling, you now know why.

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**Author:** ![FairyChatMom](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/fairychatmom/32/21906_2.png) [@FairyChatMom](https://boards.straightdope.com/u/FairyChatMom)\
**Post date:** [November 6, 2016, 5:38pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/34 "2016-11-06T17:38:38Z")

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11 or 12, I think. I may not have changed one of the basement clocks last spring, so it’s correct again. 😃

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**Author:** ![LSLGuy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lslguy/32/5813_2.png) [@LSLGuy](https://boards.straightdope.com/u/LSLGuy)\
**Post date:** [November 6, 2016, 5:40pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/35 "2016-11-06T17:40:05Z")

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> [@ftg](#):
>
> …  
> I also changed my furnace filter. Somehow that’s time-change related to me.

How about those smoke alarm batteries the public service ads are always bleating about at every DST changeover?

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**Author:** ![ThisSpaceForRent](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/thisspaceforrent/32/345_2.png) [@ThisSpaceForRent](https://boards.straightdope.com/u/ThisSpaceForRent)\
**Post date:** [November 6, 2016, 5:47pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/36 "2016-11-06T17:47:02Z")

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Zero…I don’t need no stinking clocks.

My sundial will finally be right again.

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**Author:** ![Finagle](https://avatars.discourse-cdn.com/v4/letter/f/b19c9b/32.png) [@Finagle](https://boards.straightdope.com/u/Finagle)\
**Post date:** [November 6, 2016, 5:53pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/37 "2016-11-06T17:53:47Z")

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> [@Alessan](#):
>
> Just my watch.
> 
> Incidentally, I’ve never seen a microwave with a clock. What’s it for?

Wow, really? In the US, except for the really antique dial operated microwaves, they all have clocks. Because you need timers for microwaves, so why not throw in a clock for when the timer isn’t being used? It just serves as an extra kitchen clock, mostly, so that between the clock on the stove and the one on the microwave, you never really know what time it is, because they always disagree by a minute or two.

Anyway, for me, it’s those two kitchen clocks, the clock in the car, and one on the mantel that’s all set because I never got around to resetting it last March, apparently. Although it could be that the battery is dying and it’s just an hour behind. Can’t remember if the various cameras need to be changed manually or not, but really, who cares exactly when a picture was taken? Unless you’re in an Agatha Christie story and took a picture of the sinister postmaster shipping a body-shaped package exactly one hour before the crime was committed.

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**Author:** ![LSLGuy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lslguy/32/5813_2.png) [@LSLGuy](https://boards.straightdope.com/u/LSLGuy)\
**Post date:** [November 6, 2016, 6:00pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/38 "2016-11-06T18:00:05Z")

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> [@ThisSpaceForRent](#):
>
> Zero…I don’t need no stinking clocks.
> 
> My sundial will finally be right again.

As long as you rotate it a few degrees.

What, you didn’t rotate it the other way back in April? Scofflaw! 🙂

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**Author:** ![Happy\_Lendervedder](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/happy_lendervedder/32/8488_2.png) [@Happy\_Lendervedder](https://boards.straightdope.com/u/Happy_Lendervedder)\
**Post date:** [November 6, 2016, 6:06pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/39 "2016-11-06T18:06:17Z")

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Four-- clock above kitchen sink, clock on stove, clock on fireplace, clock in truck.

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**Author:** ![Tim\_R.Mortiss](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/tim_r.mortiss/32/142_2.png) [@Tim\_R.Mortiss](https://boards.straightdope.com/u/Tim_R.Mortiss)\
**Post date:** [November 6, 2016, 6:38pm UTC](https://boards.straightdope.com/t/how-many-clocks-do-you-need-to-manually-change-for-dst/770794/40 "2016-11-06T18:38:32Z")

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Oven, microwave, coffee maker, two clock radios (I’m a very sound sleeper), wall clock over the television, wristwatch, and the car. So eight.

I have a lot of lights on timers, but I don’t bother to change them with the rest. I adjust them when the sunset/sunrise change significantly.

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