MST to IST Converter
IST is 12 hours 30 minutes ahead of MST. 9:00 AM MST = 9:30 PM IST.
IST is 12 hours 30 minutes ahead of MST at the moment. To convert MST to IST, add 12 hours 30 minutes to the MST time: 9:00 AM MST = 9:30 PM IST.
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time).
Most of Arizona uses MST all year and does not switch to MDT. IST here means India Standard Time, not Irish or Israel Standard Time.
MST to IST time conversion table
MST to IST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | IST | Day |
|---|---|---|
| 12:00 AM MST | 12:30 PM IST | — |
| 1:00 AM MST | 1:30 PM IST | — |
| 2:00 AM MST | 2:30 PM IST | — |
| 3:00 AM MST | 3:30 PM IST | — |
| 4:00 AM MST | 4:30 PM IST | — |
| 5:00 AM MST | 5:30 PM IST | — |
| 6:00 AM MST | 6:30 PM IST | — |
| 7:00 AM MST | 7:30 PM IST | — |
| 8:00 AM MST | 8:30 PM IST | — |
| 9:00 AM MST | 9:30 PM IST | — |
| 10:00 AM MST | 10:30 PM IST | night |
| 11:00 AM MST | 11:30 PM IST | night |
| 12:00 PM MST | 12:30 AM IST | next day |
| 1:00 PM MST | 1:30 AM IST | next day |
| 2:00 PM MST | 2:30 AM IST | next day |
| 3:00 PM MST | 3:30 AM IST | next day |
| 4:00 PM MST | 4:30 AM IST | next day |
| 5:00 PM MST | 5:30 AM IST | next day |
| 6:00 PM MST | 6:30 AM IST | next day |
| 7:00 PM MST | 7:30 AM IST | next day |
| 8:00 PM MST | 8:30 AM IST | next day |
| 9:00 PM MST | 9:30 AM IST | next day |
| 10:00 PM MST | 10:30 AM IST | next day |
| 11:00 PM MST | 11:30 AM IST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert MST to IST
Add 12 hours 30 minutes to the MST time to get IST.
Example: 9:00 AM MST = 9:30 PM IST.
Across midnight: 10:00 PM MST = 10:30 AM IST (next day). The date changes, so always check the day as well as the hour.
Time difference between MST and IST
The time difference between MST and IST 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:
- 31 Dec 2025 – 7 Mar 2026: IST is 12 hours 30 minutes ahead of MST.
- 8 Mar 2026 – 31 Oct 2026: IST is 11 hours 30 minutes ahead of MST.
- 1 Nov 2026 – 30 Dec 2026: IST is 12 hours 30 minutes ahead of MST.
MST and IST during daylight saving time
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
Best time for a meeting between MST and IST
MST and IST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM MST, which is 7:30 PM IST.
MST to IST FAQ
What is the time difference between MST and IST?
Right now IST is 12 hours 30 minutes ahead of MST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM MST in IST?
9:00 AM MST is 9:30 PM IST.
What is 12 PM (noon) MST in IST?
12:00 PM MST is 12:30 AM IST (next day).
Is IST ahead of or behind MST?
IST is 12 hours 30 minutes ahead of MST, so it is later in IST than in MST.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
Does IST change for daylight saving time?
No. IST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between MST and IST?
MST and IST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM MST, which is 7:30 PM IST.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert IST to MST
Convert MST to other time zones
Convert other time zones to IST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.