TimezoneToolbox

MST to IST converter

IST is usually 11 h 30 min ahead of MST. It is 12 h 30 min ahead of MST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.

Loading converter…

MST to IST table

For 5 July 2026, when IST is 11 h 30 min ahead of MST. Other dates: see the table on the right.

MSTIST24-hour
12:00 AM11:30 AM 0:00 → 11:30
1:00 AM12:30 PM 1:00 → 12:30
2:00 AM1:30 PM 2:00 → 13:30
3:00 AM2:30 PM 3:00 → 14:30
4:00 AM3:30 PM 4:00 → 15:30
5:00 AM4:30 PM 5:00 → 16:30
6:00 AM5:30 PM 6:00 → 17:30
7:00 AM6:30 PM 7:00 → 18:30
8:00 AM7:30 PM 8:00 → 19:30
9:00 AM8:30 PM 9:00 → 20:30
10:00 AM9:30 PM 10:00 → 21:30
11:00 AM10:30 PM 11:00 → 22:30
12:00 PM11:30 PM 12:00 → 23:30
1:00 PM12:30 AM next day13:00 → 0:30
2:00 PM1:30 AM next day14:00 → 1:30
3:00 PM2:30 AM next day15:00 → 2:30
4:00 PM3:30 AM next day16:00 → 3:30
5:00 PM4:30 AM next day17:00 → 4:30
6:00 PM5:30 AM next day18:00 → 5:30
7:00 PM6:30 AM next day19:00 → 6:30
8:00 PM7:30 AM next day20:00 → 7:30
9:00 PM8:30 AM next day21:00 → 8:30
10:00 PM9:30 AM next day22:00 → 9:30
11:00 PM10:30 AM next day23:00 → 10:30

When the difference changes

Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.

2026: from (UTC)until (UTC)IST vs MST
1 January 20268 March 202612 h 30 min ahead of
8 March 20261 November 202611 h 30 min ahead of
1 November 202631 December 202612 h 30 min ahead of
2027: from (UTC)until (UTC)IST vs MST
1 January 202714 March 202712 h 30 min ahead of
14 March 20277 November 202711 h 30 min ahead of
7 November 202731 December 202712 h 30 min ahead of

MST: Mountain Time · MST time now
Arizona (America/Phoenix) stays on MST all year, so for part of the year it matches Pacific Time instead of Denver.

IST: India Standard Time · IST time now
IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.

Related converters

Questions

What is the time difference between MST and IST?

IST is usually 11 h 30 min ahead of MST. It is 12 h 30 min ahead of MST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.

What is 9 am MST in IST?

9:00 am MST is 8:30 PM IST, on dates when the usual difference applies. Use the converter above for any specific date.

Which MST does this page use?

Arizona (America/Phoenix) stays on MST all year, so for part of the year it matches Pacific Time instead of Denver.

Which IST does this page use?

IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.