Alberta is not falling back this year. From November 1, 2026, clocks stay on Alberta Time (UTC−06:00) all year. Don't turn any clocks back.
Your work computer (Windows): probably nothing to do. We've already updated the time zone on most of the Windows work computers we manage. Take a minute to check yours:
Open Start → Settings → Time & language → Date & time.
Under Time zone you should see (UTC-06:00) Mountain Time (Alberta) or (UTC-06:00) Saskatchewan. Either one is correct.
If it shows anything else, such as (UTC-07:00) Mountain Time (US & Canada), let us know and we'll fix it.
Work Mac? Apple updates Macs in the background, but the change only takes effect after a restart. Follow the steps on the Mac tab below.
Calendar apps got the new Alberta rules late, some only this month. Appointments booked before then are likely to show the wrong time, usually one hour late: a 9:00 a.m. meeting showing at 10:00 a.m. Fixing your computer's time zone does not fix appointments that already exist.
Expect mix-ups for the next few weeks. Even once your own calendar is right, the people you meet with may not have updated theirs. An invitation they send can be an hour off, and your invitations can look wrong to them. When in doubt, confirm by email or phone.
Meetings with people outside Alberta will move, and that's correct. A 10:00 a.m. Toronto call used to be 8:00 a.m. here in winter. From November 1 it's 9:00 a.m. here. That looks like the calendar problem above, so go by the time in the organizer's time zone: if the invitation says 10:00 a.m. Eastern, 9:00 a.m. here is right. Calls with most of British Columbia stay one hour apart, because B.C. is also stopping its clock changes.
Outlook: fixing the time zone
New Outlook and Outlook on the web: open Settings → Calendar → View and set Display my calendar in time zone to (UTC-06:00) Mountain Time (Alberta). To fix a meeting you organized, open it (choose Edit series for a recurring one), select the time to expand it, select the time zone (globe) button, choose Mountain Time (Alberta), then save and send.
Classic Outlook: open File → Options → Calendar and set Time zone. For a single meeting, open it and use Time zones. For a recurring series, use Edit Recurrence. If Edit Recurrence shows no time zone, open a new appointment, tick Time zones, then try again.
Watch out: changing the time zone of a recurring series resets any one-off changes in it, such as a single meeting moved to another day. Re-create those afterwards.
Appointments on or after November 1 that were created before September 8 show an hour late: a 9:00 a.m. meeting shows at 10:00 a.m.
Google is moving most of them back automatically during October. It does not fix invitations that came from Outlook, or recurring events where one meeting was changed. Fix those yourself.
On a computer, at calendar.google.com, affected events show a warning with a Move one hour earlier button. The phone apps don't show it.
Apple hasn't published guidance for existing events. After you've restarted your device (see Update your phone and home computer), check appointments from November 1 on against the original confirmations, especially invitations that came from Outlook or Google.
If your work email is Microsoft 365, also check your calendar in Outlook on the web at outlook.office.com.
Update your phone and home computer
Don't add or subtract an hour by hand. Install updates and leave the automatic settings on, and the device will keep itself correct. Until November 1, a device with the old rules still shows the right time, so the clock alone can't tell you it's ready. If a device makes you pick a time zone yourself, choose Mountain Time (Alberta) or Edmonton; a nearby Alberta city such as Calgary is fine too. Avoid Mountain Time (US & Canada).
If you set a device to Regina or Saskatchewan after reading an earlier version of this page, turn its automatic time zone setting back on and follow the steps below.
Choose a device to see its steps. If we can tell which one you're on, it's already selected.
Windows
These steps are for a home PC; your Windows work computer is covered at the top of this page. Microsoft has released an update that adds the new Alberta time zone. On Windows 10 the steps are similar; if Mountain Time (Alberta) isn't in the list, use Saskatchewan as shown below.
Open Start → Settings → Windows Update.
Select Check for updates, install anything available, and restart if asked. Save your work first.
Open Settings → Time & language → Date & time.
Leave Set time automatically on.
Turn Set time zone automatically off.
Open the Time zone list. Do you see (UTC-06:00) Mountain Time (Alberta)?
If you see Mountain Time (Alberta)
Select (UTC-06:00) Mountain Time (Alberta).
If you see Sync now under Additional settings, select it. Check the time is right.
If you don't see it yet
Select (UTC-06:00) Saskatchewan for now. Saskatchewan is on UTC−06:00 all year, the same as Alberta's new time.
If you see Sync now, select it. Check the time is right.
Run Windows Update again in a few days. Once Mountain Time (Alberta) appears, switch to it.
With automatic time zone off, Windows won't change zones when you travel. Set it by hand on trips outside Alberta.
Apple has been sending the Alberta change to Macs in the background since the summer. It only takes effect after a restart, and a few settings need to be on.
Open System Settings → General → Date & Time. Make sure Set time and date automatically and Set time zone automatically using your current location are both on.
Open System Settings → Privacy & Security → Location Services and make sure Location Services is on. Scroll to the bottom, click Details next to System Services, make sure the time zone and system customization settings are on, then click Done.
Open System Settings → General → Software Update, click the ⓘ next to Automatic Updates, and make sure Install system data files and security updates is on. On older versions of macOS it's called Install Security Responses and system files.
Restart your Mac (Apple menu → Restart), even if you haven't seen a message about it.
On the morning of Sunday, November 1, check the time against a clock you know is right, such as a cable or satellite TV box. If you rely on this device for an alarm that morning, set a backup alarm on another clock.
System Settings doesn't show whether your Mac has the update, so the restart is the step that matters.
If the clock has fallen back an hour on November 1: restart once more. If it's still wrong, turn off Set time zone automatically using your current location, type Regina in Closest city, pick Regina from the list if one appears, and press Return. Regina is on UTC−06:00 all year, the same as Alberta, so this is a safe temporary fix. In a week or two, turn the automatic setting back on and restart. If the time is right, leave it on. If it's an hour behind again, switch back to Regina and try again later.
iPhone or iPad
Apple has been sending the Alberta change to iPhones and iPads in the background since the summer. It only takes effect after a restart.
Open Settings → General → Date & Time and make sure the automatic settings are on. On iOS 26 and earlier that's Set Automatically; on iOS 27, turn on both Set Time Automatically and Set Time Zone Automatically. If you can't find them, search Settings for "time zone".
Open Settings → Privacy & Security → Location Services and make sure Location Services is on. Then scroll to the bottom, tap System Services, and make sure Setting Time Zone is on.
Open Settings → General → Software Update and install any updates. Then tap Automatic Updates and make sure the system files option is on (System Files or Security Responses & System Files, depending on the version).
Restart your iPhone or iPad, and your Apple Watch if you have one, even if you haven't seen a message about it.
On the morning of Sunday, November 1, check the time against a clock you know is right, such as a cable or satellite TV box. If you rely on this device for an alarm that morning, set a backup alarm on another clock.
Settings doesn't show whether your device has the update, so the restart is the step that matters.
If the clock has fallen back an hour on November 1: restart once more. If it's still wrong, turn off the automatic time zone setting, tap Time Zone (Time Zone City on iOS 27) and search for Regina. Regina is on UTC−06:00 all year, the same as Alberta, so this is a safe temporary fix. In a week or two, turn the automatic setting back on and restart. If the time is right, leave it on. If it's an hour behind again, switch back to Regina and try again later.
Android phone or tablet
Android gets time zone changes through system updates and Google Play system updates. Google hasn't confirmed that every phone has the Alberta update yet, so check yours.
Install any system updates. On most phones that's Settings → System → Software update; on Samsung, Settings → Software update.
Install the Google Play system update too: Settings → Security & privacy → System & updates → Google Play system update. If you can't find it, search Settings for "Google Play system update".
Restart the phone.
Check whether the update arrived:
Open Settings → System → Date & time (on Samsung, Settings → General management → Date and time).
Turn off the automatic time zone switch for a moment. Depending on the phone it's called Automatic time zone, Set automatically or Set time zone automatically.
Tap Time zone (Select time zone on Samsung) and read the line under the time zone. Don't pick anything from the list.
If it says there's no daylight saving time, your phone has the update. If it mentions Mountain Standard Time starting November 1, 2026, it doesn't yet. If you see neither, go by the clock on November 1.
Go back and turn the automatic time zone switch on again.
If the update hasn't arrived, install updates again in a few days and repeat this check.
On the morning of Sunday, November 1, check the time against a clock you know is right, such as a cable or satellite TV box. If you rely on this device for an alarm that morning, set a backup alarm on another clock.
On older phones (Android 12 and earlier) the time zone screen may mention Mountain Standard Time even when the update is installed, so go by the clock on November 1.
If the clock has fallen back an hour on November 1: restart the phone and install any updates. If it's still wrong, turn off the automatic time zone switch, tap Time zone (Select time zone on Samsung), set the region to Canada and pick Regina. Regina is on UTC−06:00 all year, the same as Alberta, so this is a safe temporary fix. In a week or two, turn the automatic setting back on and restart. If the time is right, leave it on. If it's an hour behind again, switch back to Regina and try again later.
Smart clocks, thermostats, cameras and cars
Install any software updates the maker offers.
If the device has a time zone setting and no Alberta option, choose Saskatchewan or Regina. If it only offers UTC offsets, choose UTC−06:00, turn daylight saving off, then check the clock matches Alberta Time right now.
Avoid "Central Time" unless it says Saskatchewan or Regina. Central Time springs forward in March; Alberta no longer does.
Check these devices on the morning of November 1. If one has fallen back an hour, fix its time zone, or set the time by hand as a last resort.
Clocks you set by hand, like an oven or microwave, don't need anything. Just don't turn them back.
