IST to MST Converter
MST is 11 hours 30 minutes behind IST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.
MST to IST insteadTime difference between IST and MST
MST is 11 hours 30 minutes behind IST for most of the year.
- 2026: MST is 12 hours 30 minutes behind IST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026.
- 2027: MST is 12 hours 30 minutes behind IST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.
IST to MST conversion table
| IST | MSTMost of the year | MSTJan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026 |
|---|---|---|
| 12 AM | 12:30 PM−1 day | 11:30 AM−1 day |
| 1 AM | 1:30 PM−1 day | 12:30 PM−1 day |
| 2 AM | 2:30 PM−1 day | 1:30 PM−1 day |
| 3 AM | 3:30 PM−1 day | 2:30 PM−1 day |
| 4 AM | 4:30 PM−1 day | 3:30 PM−1 day |
| 5 AM | 5:30 PM−1 day | 4:30 PM−1 day |
| 6 AM | 6:30 PM−1 day | 5:30 PM−1 day |
| 7 AM | 7:30 PM−1 day | 6:30 PM−1 day |
| 8 AM | 8:30 PM−1 day | 7:30 PM−1 day |
| 9 AM | 9:30 PM−1 day | 8:30 PM−1 day |
| 10 AM | 10:30 PM−1 day | 9:30 PM−1 day |
| 11 AM | 11:30 PM−1 day | 10:30 PM−1 day |
| 12 PM | 12:30 AM | 11:30 PM−1 day |
| 1 PM | 1:30 AM | 12:30 AM |
| 2 PM | 2:30 AM | 1:30 AM |
| 3 PM | 3:30 AM | 2:30 AM |
| 4 PM | 4:30 AM | 3:30 AM |
| 5 PM | 5:30 AM | 4:30 AM |
| 6 PM | 6:30 AM | 5:30 AM |
| 7 PM | 7:30 AM | 6:30 AM |
| 8 PM | 8:30 AM | 7:30 AM |
| 9 PM | 9:30 AM | 8:30 AM |
| 10 PM | 10:30 AM | 9:30 AM |
| 11 PM | 11:30 AM | 10:30 AM |
Best time to meet
A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 6:30 PM – 9 PM IST (7 AM – 9:30 AM MST).
Frequently asked questions
What time is it in MST when it's 9 AM in IST?
9:30 PM the previous day for most of the year. MST is 11 hours 30 minutes behind IST.
How many hours is MST behind IST?
Usually 11 hours 30 minutes. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: MST is 12 hours 30 minutes behind IST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026. 2027: MST is 12 hours 30 minutes behind IST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.
Does IST use daylight saving time?
No. India Standard Time stays at UTC+5:30 all year.
Does MST use daylight saving time?
Yes. Mountain Time is UTC−7 (MST) in January and UTC−6 (MDT) in July. Mar 8, 2026: clocks go forward to UTC−6; Nov 1, 2026: clocks go back to UTC−7.
When is the best time to schedule a meeting between IST and MST?
A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 6:30 PM – 9 PM IST (7 AM – 9:30 AM MST).
Which IST does this page use?
IST here means India Standard Time (UTC+5:30), not Irish or Israel Standard Time.