Offset
The time difference between Calgary and Mumbai is 11.5 hours.
Calgary (MDT) is behind Mumbai (IST).
MDT: UTC-6
IST: UTC+5:30
Calgary is currently observing daylight saving time; Mumbai is not.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Calgary and Mumbai don't overlap on the same weekday. Mumbai is 12 hours ahead of Calgary.
With some flexibility, there’s a workable window outside standard hours:
- 7 AM–9 AM in Calgary (6 PM–8 PM in Mumbai) — suggest 8:00 AM Calgary (7:30 PM Mumbai).
This means an early start or late finish for one side, but it’s a reasonable slot for a one-off meeting.
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Canada
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Victoria DayMon, May 18
- Canada DayWed, Jul 1
- Labour DayMon, Sep 7
- National Day for Truth and ReconciliationWed, Sep 30
- ThanksgivingMon, Oct 12
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Calgary | Mumbai | Day |
|---|---|---|
| 12:00 am | 11:30 am | Same day |
| 1:00 am | 12:30 pm | Same day |
| 2:00 am | 1:30 pm | Same day |
| 3:00 am | 2:30 pm | Same day |
| 4:00 am | 3:30 pm | Same day |
| 5:00 am | 4:30 pm | Same day |
| 6:00 am | 5:30 pm | Same day |
| 7:00 am | 6:30 pm | Same day |
| 8:00 am | 7:30 pm | Same day |
| 9:00 am | 8:30 pm | Same day |
| 10:00 am | 9:30 pm | Same day |
| 11:00 am | 10:30 pm | Same day |
| 12:00 pm | 11:30 pm | Same day |
| 1:00 pm | 12:30 am | +1 day |
| 2:00 pm | 1:30 am | +1 day |
| 3:00 pm | 2:30 am | +1 day |
| 4:00 pm | 3:30 am | +1 day |
| 5:00 pm | 4:30 am | +1 day |
| 6:00 pm | 5:30 am | +1 day |
| 7:00 pm | 6:30 am | +1 day |
| 8:00 pm | 7:30 am | +1 day |
| 9:00 pm | 8:30 am | +1 day |
| 10:00 pm | 9:30 am | +1 day |
| 11:00 pm | 10:30 am | +1 day |
Daylight saving time
Calgary observes daylight saving time; Mumbai does not. The offset between the two zones changes when Calgary transitions: on Sunday, November 1, 2026, clocks fall back from MDT to MST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:24 AM
- Sunset
- 9:48 PM
- Day length
- 16h 24m
- Sunrise
- 6:01 AM
- Sunset
- 7:15 PM
- Day length
- 13h 14m
Daylight overlap: 2h 21m — 5:24 AM–7:45 AM in Calgary (4:54 PM–7:15 PM in Mumbai). Both locations are in daylight during this window.
Cities in these zones
Other cities in Mountain Time
Other cities in India Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Mountain Time
- YYC
- YEG
Airports in India Standard Time
- BOM
- NMI
- DEL
- BLR
- HYD
- AMD
- MAA
- CCU
- STV
- PNQ
Related conversions
Common conversions
- What is 9:00 am Calgary in Mumbai?
- 9:00 am Calgary is 8:30 pm Mumbai.
- What is 12:00 pm Calgary in Mumbai?
- 12:00 pm Calgary is 11:30 pm Mumbai.
- What is 12:30 pm Calgary in Mumbai?
- 12:30 pm Calgary is 12:00 am Mumbai, the next day.
- What is 2:00 pm Calgary in Mumbai?
- 2:00 pm Calgary is 1:30 am Mumbai, the next day.
- What is 5:00 pm Calgary in Mumbai?
- 5:00 pm Calgary is 4:30 am Mumbai, the next day.
- What is 11:30 pm Calgary in Mumbai?
- 11:30 pm Calgary is 11:00 am Mumbai, the next day.