Calgary time zone and office-hour overlap
When Calgary, London and Toronto are all at work.
Calgary
London
Toronto
- Everyone at work
- Work hours
- Awake
- Night
- Weekend
Tap any column to see that moment in every city.
Different hours for each city
- UTC−7Mountain Standard Time, January
- UTC−6Mountain Daylight Time, July
- America/EdmontonIANA time zone name
- 1other listed cities on the same clock all year
Clock changes
Calgary changes its clocks on dates that do not follow a fixed weekday rule (Mountain Standard Time / Mountain Daylight Time); check the date before you book.
Sun and clock
At 114.1° west, the sun is highest over Calgary at about 12:36 pm on the winter clock — 36 minutes after noon, because the clock runs ahead of the sun.
In mid-January the sun rises at about 8:33 am and sets at about 4:57 pm — 8 hours 30 minutes of daylight.
In mid-July the sun rises at about 5:38 am and sets at about 9:46 pm — 16 hours 15 minutes of daylight.
On a January weekday, 4 of the listed cities share the whole 9-to-5 day with Calgary, 80 share at least two hours and 159 share no office time at all; on a July weekday the counts are 12, 90 and 152. The furthest away on the clock in January is Auckland (New Zealand), 20 hours ahead.
Of the 268 cities in this planner, 10 are behind Calgary in January, 4 show the same time and 253 are ahead of it.
Cities on the same clock
All year, Calgary shows the same time as Edmonton.
Only in January (northern winter) it matches Phoenix (United States) — they change their clocks on different dates or not at all.
Only in July it matches Mexico City (Mexico), Guadalajara (Mexico), Monterrey (Mexico), Guatemala City (Guatemala), Managua (Nicaragua), Tegucigalpa (Honduras), San Salvador (El Salvador), San José (Costa Rica) and 1 more.
Office hours shared with 12 business cities
Counting a 9-to-5 day, Monday to Friday, in both cities: Calgary shares two hours or more with New York, Los Angeles, Chicago, Sydney, Auckland and São Paulo, and no office time at all with Paris, Dubai, Mumbai, Singapore and Tokyo.
| City | Gap, Jan / Jul | Shared, Jan / Jul | At 9 am |
|---|---|---|---|
| New York | +2 / +2 h | 6 / 6 h | 11:00 am |
| Los Angeles | −1 / −1 h | 7 / 7 h | 8:00 am |
| Chicago | +1 / +1 h | 7 / 7 h | 10:00 am |
| London | +7 / +7 h | 1 / 1 h | 4:00 pm |
| Paris | +8 / +8 h | 0 / 0 h | 5:00 pm |
| Dubai | +11 / +10 h | 0 / 0 h | 8:00 pm |
| Mumbai | +12½ / +11½ h | 0 / 0 h | 9:30 pm |
| Singapore | +15 / +14 h | 0 / 0 h | 12:00 am (+1 day) |
| Tokyo | +16 / +15 h | 0 / 0 h | 1:00 am (+1 day) |
| Sydney | +18 / +16 h | 2 / 0 h | 3:00 am (+1 day) |
| Auckland | +20 / +18 h | 4 / 2 h | 5:00 am (+1 day) |
| São Paulo | +4 / +3 h | 4 / 5 h | 1:00 pm |
Time differences with Calgary
- London and CalgaryCalgary behind by 7 hours · 1 hour of shared office time
- Toronto and CalgaryCalgary behind by 2 hours · 6 hours of shared office time
City names, coordinates and time zone assignments: GeoNames, licensed under CC BY 4.0 (selection and renaming of some cities by this site). Clock times are computed in your browser from the IANA time zone database. Sources and limits.