How to Account for Daylight Savings on Your Blog
As you know if you’ve ever checked out your stats, your WordPress.com blog is aligned with the UTC time zone. UTC is similar to GMT, except that it doesn’t get changed twice a year for daylight savings it’s based on the atomic clock and is therefore more precise. This method allows us to keep the stats database lean and fast. That translates into free stats for everyone!
Because of this, you will need to account for Daylight Savings Time manually. Believe it or not, it’s already time for the the “fall back” daylight savings change in the U.S.: tomorrow, Sunday, November 2.
To account for Daylight Savings Time, log in to your dashboard, click on Settings > General, and scroll to Timezone. Then change your timezone to one hour behind your actual time zone. If you have your timezone set to, for example, UTC-7 (PDT), you’ll need to change it to UTC-8. Think of it like taking a virtual vacation.
We’ll make another announcement before the “spring forward” change, which is on March 8, 2009.
UPDATE 11/02: This post now includes updated info re: UTC vs. GMT and a note that Nov. 2 is the Daylight Savings Time change date in the United States. Thanks for your comments.
November 2nd, 2008 at 4:00 am
Thanks for the reminder. Been a geek so long, I forget everything still isn’t automattic [har!].
November 2nd, 2008 at 4:10 am
Perhaps you could consider going global. Those of us in Australia had to change our time weeks ago.
November 2nd, 2008 at 4:14 am
great post!
November 2nd, 2008 at 4:31 am
Yeah, here in Portugal and the rest of EU countries, the DST change was last week.
November 2nd, 2008 at 4:47 am
I want it for IST.
November 2nd, 2008 at 4:58 am
Or in Western Australia one week ago! Trouble is, each jurisdiction has its own way approach to DLS – even in the USA. Was there in August and crossed three state borders (same longitude) twice in two days and the hands on my watch are still spinning! One standard time and adjust local manually seems very practical to this non-geek.
November 2nd, 2008 at 5:32 am
Late. That time change was last week here.
November 2nd, 2008 at 5:55 am
how come my debut post has the date it is in London when i’m not in London & assiduously changed to my local time zone but the date stamp keeps insisting on the London date? no offense to London, a great little town.
November 2nd, 2008 at 6:38 am
Thanks for your effort
it is useful
November 2nd, 2008 at 6:49 am
GMT never changes! Here in the UK, we reverted back to GMT from BST (British Summer Time = GMT+1) last Sunday.
November 2nd, 2008 at 7:19 am
Can I correct you here?
UTC is the same as GMT … but it’s worked out using atomic radiation rather than the stars. Daylight saving time over here is known as BST (British Summer Time)
(and, like the last poster said, the clocks changed in Britain, and most of Europe, last week)
Best,
Keith
November 2nd, 2008 at 7:21 am
Since some of us rarely need to click on “settings,” it can be found in the upper right of your Dashboard screen.
(><)
November 2nd, 2008 at 7:36 am
Oh the time did change!? Woah, having too much fun almost missed it!! LOL
Thanks for the hint!
November 2nd, 2008 at 7:52 am
yay! love that extra hour! last year i spent that extra hour starting my blog so happy blogoversary to me!
and thanks for this timely mention–it just answered an argument we were having about whether it was this weekend or next!
November 2nd, 2008 at 8:10 am
we already did it, last week
But thank you
November 2nd, 2008 at 8:31 am
Heather Thanks for your information..
just to make sure, if before i set +7 then now i set +6 right?? not +8 ??? hehehe.. sorry if i look like an ‘idiot’ asking like this..
November 2nd, 2008 at 9:03 am
One week to late.
November 2nd, 2008 at 9:15 am
This excellent plugin should be part of the core:
http://ottodestruct.com/blog/wordpress-plugins/automatic-timezone/
November 2nd, 2008 at 9:26 am
thank you
November 2nd, 2008 at 9:26 am
YAY for countries that don’t do the stupid DST thing. I love living in Korea!
November 2nd, 2008 at 10:00 am
Here in Japan we don’t screw around unnecessarily with the clocks. Why would you want it to be dark when you are coming home from work in the Winter? Just doesn’t make sense.
November 2nd, 2008 at 10:41 am
In Netherlands, it has been changed last Sunday…
November 2nd, 2008 at 10:46 am
THANK YOU! Now I can sleep a little bit longer =)
November 2nd, 2008 at 11:30 am
Sniff, bye bye sunlight.
Thanks for the reminder!
November 2nd, 2008 at 11:30 am
As others have also said – don’t forget there are other bloggers out there – we don’t all live in the US!
November 2nd, 2008 at 11:45 am
And last week in the UK. Doesn’t matter, though, as GMT and UTC are the same. GMT doesn’t change twice a year, though, that’s a fallacy. We move the clocks forward an hour for British Summer Time, but GMT doesn’t change at all – it’s a constant. GMT is the same all over the world, no matter what the local time zone (BST is merely a local, and temporary, time zone), a fact mariners have depended upon for centuries for accurate navigation. It’s still needed even in these days of GPS. In the event of system failure, navigators still need to know how to do it manually. amd for that they need GMT.
November 2nd, 2008 at 12:03 pm
Neither does GMT
related posts:
http://malvumaldit.wordpress.com/2008/10/26/remember-to-cancel-dst-time-in-wordpress-settings-manually/
http://malvumaldit.wordpress.com/2008/10/28/gmail-applies-dst-change-on-messages-date-field-without-notice/
November 2nd, 2008 at 12:13 pm
I’m still trying to figure out how many hours sleep I got before the cat woke me to go out!
November 2nd, 2008 at 12:36 pm
“UTC is similar to GMT, except that it doesn’t get changed twice a year for daylight savings”
I don’t wanna be “well actually…” but that statement stood out to me because it’s really factually incorrect, like in a way that makes no sense. GMT never changes, if it did that would make no sense what so ever as all other time zones are derived from it and not all time zones need to change to account for daylight saving. GMT is always the same, and everything else is calculated relative to it, including for example BST which is British Summer Time.
According to Wikipedia UTC is basically the new (from the early 70s onwards) way of measuring time that uses atomic clocks and compensates for the variations in the speed of the earth rotating. Since UTC uses the same time zone as GMT the two terms are pretty much interchangeable.
November 2nd, 2008 at 1:10 pm
I’m not sure why WordPress still can not support timezones properly. The algorithms are available as an open source for a long time (for example, Linux). What they do basically is: store any time-related information in UTC (Universal Time Clock) but present it according to user settings. All modern operating systems support this mechanism making WordPress ready for it.
As we know there are 3 types of WordPress installations:
- hosted by WordPress.com
- hosted by owners on servers of hosting company
- hosted by owners on own servers
Last 2 types are wordpress.org The 3rd type is relatively rare. Hosting companies and WordPress.com supposed to be updated on regular basis and would not miss operating system update for timezone info. These, in turn, make WordPress installation awared of timezone table update.
Look forward for implementation of this universal solution in WordPress code.
November 2nd, 2008 at 1:50 pm
It was last week here but I still forgot about it, thanks for the reminder!
November 2nd, 2008 at 3:29 pm
Holy crap, thanks for the reminder.
November 2nd, 2008 at 3:53 pm
I’m in EST Time Can anyone tell me what time zone I need to be under on WordPress?
November 2nd, 2008 at 3:54 pm
Hey thx for the reminder i totally forgot.
November 2nd, 2008 at 4:18 pm
In Belarus we had already falled back the savings change.
But as for me, i forgot to change the UTC zone
November 2nd, 2008 at 4:39 pm
GMT does not change… ever
ask yourself this why do air-forces use Zulu time ?
regards
John Jones
November 2nd, 2008 at 4:50 pm
thanks for the note…
November 2nd, 2008 at 5:40 pm
Thanks for the reminder, it’s kind of fun to change it manually…
November 2nd, 2008 at 5:53 pm
Thanks for pointing that out. I didn’t know I had to change the time manually
November 2nd, 2008 at 5:59 pm
Thanks, Heather, I like vacations.
November 2nd, 2008 at 6:17 pm
GMT does not get changed twice a year nor once – it never changes!
various countries use summer time so they add or subtract at their will – gmt stays the same
Greenwich Mean Time (GMT)
Former name for mean solar time of the longitude (0°) of the former Royal Observatory at Greenwich, England, or Greenwich meridian. GMT was used to avoid potentially confusing references to local time systems (zones). In accord with tradition, 0000 GMT (denoting the start of a solar day) occurred at noon. In 1925 the numbering system for GMT was changed so that the day (like the civil day) began at midnight. Some confusion resulted, and in 1928 the International Astronomical Union changed the designation of the standard time of the zero meridian to Universal Time, which remains in general use. The term GMT is still used for some purposes (including navigation) in English-speaking countries.
http://encyclopedia2.thefreedictionary.com/Grenwich+Mean+Time
November 2nd, 2008 at 6:35 pm
Thanks Heather. As a novice blogger I had no idea I had to adjust for the time change. I keep thinking locally while WordPress is an international platform.
~MadSilence
November 2nd, 2008 at 7:01 pm
I had to look up what my GMT time was because I hadn’t ever heard of it before. Now my blog is on the correct time AND I learned something new. Thanks!
November 2nd, 2008 at 7:29 pm
Since the stats are already in UTC, it is not useful for me to think of them as corresponding to actual days in my time zone. Therefore, whether or not my stats are “correctly” set for daylight savings time is meaningless to me.
November 2nd, 2008 at 8:07 pm
Ohh. Thanks for telling us
November 2nd, 2008 at 8:12 pm
Y’know, this should really be handled automattically…
November 2nd, 2008 at 9:06 pm
I want these glasses…
November 2nd, 2008 at 10:08 pm
Thanks for the reminder. I have linked to this post in all of my blogs, to help spread the word.
November 2nd, 2008 at 10:16 pm
Aloha and thanks. I did not realize this.
November 2nd, 2008 at 10:21 pm
I have a question, since this has always confused me..why does it seem that on the stats graphs, the days always end at 8 pm real time? Because whenever I look at my stats after 8 pm, it’s gone all the way down because it thinks its a new day. This makes it harder to track how many views I actually got that day. I made sure I have the right time setting. (I’m in the EST zone which is UTC – 5). Does anyone know what the problem could be?
November 3rd, 2008 at 11:56 pm
@Robert T.: Timezone settings don’t affect stats settings. Your stats will still be coordinated with UTC. Here’s a UTC Conversion Chart to help you out.
November 2nd, 2008 at 11:02 pm
thanks for the reminder.. here in Portugal and all U.E. has changed last week..
regards..
November 2nd, 2008 at 11:28 pm
@ all: Thanks for your comments. I’ve clarified the line on GMT vs. UTC and included a note that Nov. 2 is the date for the United States.
November 3rd, 2008 at 12:30 am
We have to change time too up here in the great white north (Canada).
November 3rd, 2008 at 1:51 am
uhhh GMT, Zulu and UCT are the same give or take 0.9 seconds, so the same in reality as far as my sleeping in is concerned
http://en.wikipedia.org/wiki/Coordinated_Universal_Time
November 3rd, 2008 at 2:08 am
This is ridiculous. You ought to be able to choose a single timezone which does the right thing with respect to daylight savings time automatically.
Unix/linux has been able to do this for many decades.
November 3rd, 2008 at 2:10 am
Pretty sweet. Its nice to know that the little things are being thought of. Thanks Heather and everyone at Automattic.
November 3rd, 2008 at 4:44 am
Except if you live in Arizona, which doesn’t use (and has no use for) Daylight Saving Time. We don’t need more sunshine, we got plenty. -Q
November 3rd, 2008 at 7:36 am
thank you!
November 3rd, 2008 at 7:41 am
I never did accounting at school. :/
November 3rd, 2008 at 2:48 pm
@murky: Thanks for the plug for the Automatic Timezone plugin. I’m glad people find it useful.
With any luck, I’ll get code similar to my plugin pushed into core for the 2.8 release. Hopefully.
November 3rd, 2008 at 3:23 pm
in indonesia we don’t have daylight saving. it’s nice to know about it…
November 3rd, 2008 at 3:32 pm
I spent the extra hour we got here last weekend by watching NFL an hour earlier than usual. the games were at 9PM instead of the usual 10PM. cool, huh?
November 3rd, 2008 at 4:41 pm
Thanks for reminder me!!
November 3rd, 2008 at 4:56 pm
Arizonans don’t need auto daylight savings time because we don’t switch our clocks.
November 3rd, 2008 at 7:03 pm
“Heather
@ all: Thanks for your comments. I’ve clarified the line on GMT vs. UTC and included a note that Nov. 2 is the date for the United States.”
Indeed. Contrary to what some people think, it’s the Earth revolves around the sun. (“;)
November 3rd, 2008 at 8:20 pm
We here in Arizona are one of those who do not regard daylight savings time. Funny thing, though, my Apple laptop changed my clock to daylight savings time–a strange act for such a remarkable little white rectangle.
November 3rd, 2008 at 10:47 pm
Nice tutorial.
But, do you have any idea of posting from software to the wordpress.com?
i’m waiting for it.
November 4th, 2008 at 12:02 am
Yes Heather, getting rid of it would be best.
I like charlottesal’s comment:
“Arizonans don’t need auto daylight savings time because we don’t switch our clocks.”
I wish I could move there.
JCE
johnceberhardt.wordpress.com
November 4th, 2008 at 3:06 am
Just a note from an English teacher:
It’s daylight saving time, NOT daylight SAVINGS time.
It was created to SAVE time not to send time to a savings and loan.
Laura
November 4th, 2008 at 7:15 am
Sadly, it annoys me that WordPress cuts my stats counter at 5:00pm PST. I have to average my daily stats, and that’s really annoying.
November 4th, 2008 at 2:56 pm
I will pray wordpress to have an auto-DST-changer function in the next version… ^_^
November 4th, 2008 at 4:38 pm
thanks for reminder
November 4th, 2008 at 5:52 pm
Thanks for the reminder!
November 4th, 2008 at 11:31 pm
A good reminder – even though I live in a country where we just use CMT and don’t change a thing all year round. Of course we always have to remember when all the others change their clock
Thanks!
November 5th, 2008 at 12:53 pm
to lazy to really care about changing it. Living outside the US we also turned the clock a bit earlier too and when in addition following the GMT standard it really makes alot of confusion. When are we going to get rid of it altogether and rather try and get a timetable that accounts for not only daylight savings but also leap years. Its only trouble anyway
November 6th, 2008 at 12:08 am
Time is just motion so I don’t think we need to!
November 6th, 2008 at 2:30 pm
Notice to Arizonans:
Remember that this notice doesn’t apply to you. Arizona is the only state that DOES NOT participate in daylight savings time.
November 6th, 2008 at 6:27 pm
we don’t have DST here in the Philippines as well…….. never wondered why, haha!
November 6th, 2008 at 9:15 pm
Is there some way that the function can still be automatic? Like choosing your time zone, and requesting that the time be automatically adjusted for DST? This manual changing stuff seems a little archaic to me.
November 7th, 2008 at 2:57 am
@Logan, that isn’t something we have currently, but it is a good idea and something that can be looked into.
November 7th, 2008 at 3:20 am
Hi all,
We know it is in an inconvenience to have to update the time manually and apologize about this. At the moment, this is how WordPress is coded, but that doesn’t mean it won’t or cannot be done automatically in the future.
November 7th, 2008 at 3:56 am
Thank you for reminder.. nice post
November 7th, 2008 at 3:31 pm
hmmm, thanks for the reminder.. never thought of it actually…
November 7th, 2008 at 4:11 pm
I don’t think my country has it.
November 8th, 2008 at 5:14 pm
Thanks for the post. Now I no longer have to wonder every time I out check my stats.
November 8th, 2008 at 5:36 pm
Thanks for the information. When I figure out how to get my laptop to give me the current time in London
as opposed to the time at home Canada, I’ll deal with the daylight savings time. Just getting started as the first blog response. Pretty exciting. Read about the site in the magazine on the plane.
November 10th, 2008 at 5:31 am
thanks for the service. everyone feel happy when someone remind the things & time.
November 10th, 2008 at 4:13 pm
Thanks for reminder me, – perus !
November 13th, 2008 at 9:22 am
thankful for the reminder
November 13th, 2008 at 11:15 am
Thanks for the heads up. It would be great to have this changed automatically.