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MST to IST converter

India Standard Time (IST) is 11 hours 30 minutes ahead of Mountain Time (MST) for most of the year, and 12 hours 30 minutes for the rest because of daylight saving time.

Mountain Time · MDT

3:01 AM

Sunday 25 October

India Standard Time · IST

2:31 PM

Sunday 25 October

Right now, India Standard Time is 11 hours 30 minutes ahead of Mountain Time. Updates live from your device’s clock.

Hour by hour

Today’s conversion. Green dots mark 9-to-5 working hours.

MST to IST time conversion table for today
MSTIST
12:00 AM11:30 AM
1:00 AM12:30 PM
2:00 AM1:30 PM
3:00 AM2:30 PM
4:00 AM3:30 PM
5:00 AM4:30 PM
6:00 AM5:30 PM
7:00 AM6:30 PM
8:00 AM7:30 PM
9:00 AM8:30 PM
10:00 AM9:30 PM
11:00 AM10:30 PM
12:00 PM11:30 PM
1:00 PM12:30 AMnext day
2:00 PM1:30 AMnext day
3:00 PM2:30 AMnext day
4:00 PM3:30 AMnext day
5:00 PM4:30 AMnext day
6:00 PM5:30 AMnext day
7:00 PM6:30 AMnext day
8:00 PM7:30 AMnext day
9:00 PM8:30 AMnext day
10:00 PM9:30 AMnext day
11:00 PM10:30 AMnext day

Best time to meet

When both sides are inside 9 AM–5 PM on a weekday, in winter and in summer. If there’s no overlap, we show when both are awake (8 AM–9 PM).

Mid-January

  • 8:00 AM–8:30 AMin MST=8:30 PM–9:00 PMin ISTOutside 9–5
  • 7:30 PM–9:00 PMin MST=8:00 AM–9:30 AMin ISTOutside 9–5

Mid-July

  • 8:00 AM–9:30 AMin MST=7:30 PM–9:00 PMin ISTOutside 9–5
  • 8:30 PM–9:00 PMin MST=8:00 AM–8:30 AMin ISTOutside 9–5

When the gap changes

  • 25 October 2026 → 1 November 2026IST +11h 30m
  • 1 November 2026 → 14 March 2027IST +12h 30m
  • 14 March 2027 → 7 November 2027IST +11h 30m

Mountain Time is MST (UTC−7) in winter and MDT (UTC−6) in summer. Most of Arizona stays on MST all year.

India Standard Time is UTC+5:30 all year. India doesn't use daylight saving time, so every change in the gap comes from the other side.

Questions

What is the time difference between Mountain Time and India Standard Time?

India Standard Time is 11 hours 30 minutes ahead of Mountain Time for most of the year. Because of daylight saving time, the gap is 12 hours 30 minutes for part of the year.

If it's 9 AM in Mountain Time, what time is it in India Standard Time?

When it's 9:00 AM in Mountain Time, it's 8:30 PM in India Standard Time. At 5:00 PM in Mountain Time, it's 4:30 AM the next day in India Standard Time. (Based on today's offsets.)

What is the best time for a call between Mountain Time and India Standard Time?

Standard 9-to-5 hours don't overlap. The kindest window is 8:00 AM–8:30 AM in Mountain Time, which is 8:30 PM–9:00 PM in India Standard Time, when both sides are awake.

Does Mountain Time use daylight saving time?

Yes. Mountain Time's next clock changes are on Sunday, 1 November 2026 (back one hour) and Sunday, 14 March 2027 (forward one hour).

Does India Standard Time use daylight saving time?

No. India Standard Time stays on the same offset all year.