Calgary no longer changes its clocks. Since Sunday, November 1, 2026 it has stayed on UTC−6 (CST), the time it used to keep only in summer.
Calgary and your time
Calgary at a glance
| Country | Canada |
|---|---|
| Region | Alberta |
| Time zone | America/Edmonton |
| Abbreviation now | CST |
| UTC offset now | UTC−6 |
| Daylight saving time | Ended for good on Nov 1, 2026 |
| Coordinates | 51.05° N, 114.09° W |
Time zone in Calgary
Under the America/Edmonton rules, Calgary kept its summer clock for good from Sunday, November 1, 2026. Devices and apps that have not updated their time zone data may show the time one hour off, so compare with this page if something looks wrong.
Check the season when booking with the capital: Ottawa is 1 hour ahead of Calgary in January and 2 hours ahead in July.
Clock changes in Calgary, 2026 and 2027
| Date | Change | New offset |
|---|---|---|
| Sunday, March 8, 2026 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−6 |
| Sunday, November 1, 2026 | Daylight saving time ends for good: clocks stay at UTC−6 (CST) | UTC−6 |
Calgary time compared with major cities
When it is 9:00 AM in Calgary, it is 3:00 PM in London, 2:00 AM (next day) in Sydney and 7:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| Ottawa | --:-- | 1 h ahead | 1 h ahead | 2 h ahead | 7 h |
| New York (United States) | --:-- | 1 h ahead | 1 h ahead | 2 h ahead | 7 h |
| Los Angeles (United States) | --:-- | 2 h behind | 2 h behind | 1 h behind | 6 h |
| London (United Kingdom) | --:-- | 6 h ahead | 6 h ahead | 7 h ahead | 2 h |
| Paris (France) | --:-- | 7 h ahead | 7 h ahead | 8 h ahead | 1 h |
| Dubai (United Arab Emirates) | --:-- | 10 h ahead | 10 h ahead | 10 h ahead | None |
| Mumbai (India) | --:-- | 11 h 30 min ahead | 11 h 30 min ahead | 11 h 30 min ahead | None |
| Singapore | --:-- | 14 h ahead | 14 h ahead | 14 h ahead | None |
| Tokyo (Japan) | --:-- | 15 h ahead | 15 h ahead | 15 h ahead | None |
| Sydney (Australia) | --:-- | 17 h ahead | 17 h ahead | 16 h ahead | None |
| UTC | --:-- | 6 h ahead | 6 h ahead | 6 h ahead | 2 h |
Since Sunday, November 1, 2026, Calgary keeps one offset all year, so any change in the gap now comes from the other city’s daylight saving time. Compare the January and July columns.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise, sunset and day length in Calgary
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Over the year, daylight in Calgary grows from 7 hours 54 minutes to 16 hours 33 minutes and back, a swing of 8 hours 39 minutes.
Daylight through the year in Calgary
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 7:39 AM | 7:50 PM | 12 h 11 min |
| June solstice | June 21 | 5:22 AM | 9:55 PM | 16 h 33 min |
| September equinox | September 22 | 7:23 AM | 7:34 PM | 12 h 11 min |
| December solstice | December 21 | 9:37 AM | 5:32 PM | 7 h 54 min |
Clock time and sun time in Calgary
The clock in Calgary runs ahead of the sun. Solar noon, the moment the sun is highest, comes at about 1:35 PM on standard time. That is why sunrise and sunset both come late here.
Cities near Calgary
All the places listed below keep the same time as Calgary.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Red Deer | 137 km (85 mi) | --:-- | Same time |
| Lethbridge | 175 km (109 mi) | --:-- | Same time |
| Edmonton | 281 km (175 mi) | --:-- | Same time |
Same time now, different rules
These places read the same time as Calgary today but follow different rules, so they can drift apart when clocks change.
More cities in Canada
All time zones and cities in Canada
Plan around the time in Calgary
- Convert a time to or from Calgary: pick a date and time and see it in every city on your list.
- Add Calgary to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Calgary and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Calgary in?
Calgary uses the America/Edmonton time zone, which is UTC−6 (CST) all year.
Does Calgary use daylight saving time?
Not any more. Daylight saving time ended for good on Sunday, November 1, 2026: Calgary kept its summer clock, UTC−6, and will not change again.
What is the time difference between Calgary and London?
Calgary is 6 hours behind London in January and 7 hours behind London in July, because London moves its clocks for daylight saving time and Calgary does not.
Is Calgary on the same time as Ottawa?
Not all year. Ottawa is 1 hour ahead of Calgary in January and 2 hours ahead in July.
How long is the longest day in Calgary?
About 16 hours 33 minutes, around the June solstice. The shortest day, around the December solstice, has about 7 hours 54 minutes of daylight.
Why is the sun not highest at noon in Calgary?
Clock time follows the time zone, not the sun. Calgary lies west of the line its offset is based on, so solar noon comes at about 1:35 PM on standard time.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.