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Calgary time zone

Time zone and DST transitions in Calgary, Canada

Calgary time zone

Mountain Time:
- MST - Mountain Standard Time
- MDT - Mountain Daylight Time when daylight saving time is being observed (from early March to early November)

Calgary time

--:-- MDT

When does the time change in 2025

When do clocks go forward?

The clocks go forward by one hour at 09:00 AM on 9 March 2025, jumping from 09:00 AM to 10:00 AM (so called "spring forward"). This marks the beginning of MDT. There's more daylight in the evenings and less in the mornings.

When do clocks go back?

The clocks 'fall back' by one hour at 08:00 AM on 2 November 2025, changing from 08:00 AM to 07:00 AM. This marks the end of Daylight Saving Time (MDT), returning to Standard Time (MST).

Upcoming time changes in Calgary

Year	Date & Time	Abbreviation	Time Change	Offset After
2025	Sun, 09 Mar, 09:00	MST → MDT	1 hour	UTC-6
	Sun, 02 Nov, 08:00	MDT → MST	-1 hour	UTC-7
2026	Sun, 08 Mar, 09:00	MST → MDT	1 hour	UTC-6
	Sun, 01 Nov, 08:00	MDT → MST	-1 hour	UTC-7
2027	Sun, 14 Mar, 09:00	MST → MDT	1 hour	UTC-6
	Sun, 07 Nov, 08:00	MDT → MST	-1 hour	UTC-7
2028	Sun, 12 Mar, 09:00	MST → MDT	1 hour	UTC-6
	Sun, 05 Nov, 08:00	MDT → MST	-1 hour	UTC-7

Year	2025
Date & Time	Sun, 09 Mar, 09:00
Abbreviation	MST → MDT
Time Change	1 hour
Offset After	UTC-6
Year	2025
Date & Time	Sun, 02 Nov, 08:00
Abbreviation	MDT → MST
Time Change	-1 hour
Offset After	UTC-7
Year	2026
Date & Time	Sun, 08 Mar, 09:00
Abbreviation	MST → MDT
Time Change	1 hour
Offset After	UTC-6
Year	2026
Date & Time	Sun, 01 Nov, 08:00
Abbreviation	MDT → MST
Time Change	-1 hour
Offset After	UTC-7
Year	2027
Date & Time	Sun, 14 Mar, 09:00
Abbreviation	MST → MDT
Time Change	1 hour
Offset After	UTC-6
Year	2027
Date & Time	Sun, 07 Nov, 08:00
Abbreviation	MDT → MST
Time Change	-1 hour
Offset After	UTC-7
Year	2028
Date & Time	Sun, 12 Mar, 09:00
Abbreviation	MST → MDT
Time Change	1 hour
Offset After	UTC-6
Year	2028
Date & Time	Sun, 05 Nov, 08:00
Abbreviation	MDT → MST
Time Change	-1 hour
Offset After	UTC-7

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Correct local time in Calgary, Canada timezone, official time change dates winter time 2025 daylight saving dates, DST, clock change, GMT/UTC difference.