BST to Calgary Time Converter
MDT is 6 hours behind GMT. 9:00 AM GMT = 3:00 AM MDT.
MDT is 6 hours behind GMT at the moment. To convert BST to Calgary Time, subtract 6 hours from the BST time: 9:00 AM GMT = 3:00 AM MDT.
BST (British Time) is used in United Kingdom from late March to late October. Calgary Time (Calgary time) is used in Calgary, Canada.
BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT.
BST to Calgary Time time conversion table
BST to Calgary Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | Calgary Time |
|---|---|
| 12:00 AM | 6:00 PM−1 |
| 1:00 AM | 7:00 PM−1 |
| 2:00 AM | 8:00 PM−1 |
| 3:00 AM | 9:00 PM−1 |
| 4:00 AM | 10:00 PM−1 |
| 5:00 AM | 11:00 PM−1 |
| 6:00 AM | 12:00 AM |
| 7:00 AM | 1:00 AM |
| BST | Calgary Time |
|---|---|
| 8:00 AM | 2:00 AM |
| 9:00 AM | 3:00 AM |
| 10:00 AM | 4:00 AM |
| 11:00 AM | 5:00 AM |
| 12:00 PM | 6:00 AM |
| 1:00 PM | 7:00 AM |
| 2:00 PM | 8:00 AM |
| 3:00 PM | 9:00 AM |
| BST | Calgary Time |
|---|---|
| 4:00 PM | 10:00 AM |
| 5:00 PM | 11:00 AM |
| 6:00 PM | 12:00 PM |
| 7:00 PM | 1:00 PM |
| 8:00 PM | 2:00 PM |
| 9:00 PM | 3:00 PM |
| 10:00 PM | 4:00 PM |
| 11:00 PM | 5:00 PM |
Conversion table from BST to Calgary Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Calgary Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert BST to Calgary Time
Subtract 6 hours from the BST time to get Calgary Time.
Example: 9:00 AM GMT = 3:00 AM MDT.
Across midnight: 1:00 AM GMT = 7:00 PM MDT (previous day). The date changes, so always check the day as well as the hour.
Time difference between BST and Calgary Time
The time difference between BST and Calgary Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: Calgary Time is 7 hours behind of BST.
- 8 Mar 2026 – 28 Mar 2026: Calgary Time is 6 hours behind of BST.
- 29 Mar 2026 – 24 Oct 2026: Calgary Time is 7 hours behind of BST.
- 25 Oct 2026 – 31 Dec 2026: Calgary Time is 6 hours behind of BST.
BST and Calgary Time during daylight saving time
- BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
- Calgary Time does not observe daylight saving time; it stays on UTC−6 all year.
Best time for a meeting between BST and Calgary Time
BST and Calgary Time share 2 hours of the 9 AM–5 PM working day. Any time between 3:00 PM and 5:00 PM GMT lands between 9:00 AM and 11:00 AM MDT, inside working hours for both.
BST to Calgary Time FAQ
What is the time difference between BST and Calgary Time?
Right now MDT is 6 hours behind GMT. The gap changes 4 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM BST in Calgary Time?
9:00 AM GMT is 3:00 AM MDT.
What is 12 PM (noon) BST in Calgary Time?
12:00 PM GMT is 6:00 AM MDT.
Is Calgary Time ahead of or behind BST?
MDT is 6 hours behind GMT, so it is earlier in Calgary Time than in BST.
Does BST change for daylight saving time?
Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does Calgary Time change for daylight saving time?
No. Calgary Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between BST and Calgary Time?
BST and Calgary Time share 2 hours of the 9 AM–5 PM working day. Any time between 3:00 PM and 5:00 PM GMT lands between 9:00 AM and 11:00 AM MDT, inside working hours for both.
Related conversions
Convert Calgary Time to BST
Convert BST to other time zones
Convert other time zones to Calgary Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.