World Timezones

MST to IST Converter

Compare IST to MST instead

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Offset

11.5 hours

Mountain Time (MST) is currently behind India Standard Time (IST).

MST: UTC-6

IST: UTC+5:30

Mountain Time is currently observing daylight saving time; India Standard Time is not.

When to schedule

Standard business hours (9 AM–5 PM, Mon–Fri) in Mountain Time and India Standard Time don't overlap on the same weekday. India Standard Time is 12 hours ahead of Mountain Time.

Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.

This window may shift by an hour during daylight saving time.

About these zones

Mountain Time is also known as MST, or MDT.

India Standard Time is also known as IST.

Mountain Time and India Standard Time are approximately 8,350 miles apart.

Quick reference

Full 24-hour conversion table.

MSTISTDay
12:00 am11:30 amSame day
1:00 am12:30 pmSame day
2:00 am1:30 pmSame day
3:00 am2:30 pmSame day
4:00 am3:30 pmSame day
5:00 am4:30 pmSame day
6:00 am5:30 pmSame day
7:00 am6:30 pmSame day
8:00 am7:30 pmSame day
9:00 am8:30 pmSame day
10:00 am9:30 pmSame day
11:00 am10:30 pmSame day
12:00 pm11:30 pmSame day
1:00 pm12:30 am+1 day
2:00 pm1:30 am+1 day
3:00 pm2:30 am+1 day
4:00 pm3:30 am+1 day
5:00 pm4:30 am+1 day
6:00 pm5:30 am+1 day
7:00 pm6:30 am+1 day
8:00 pm7:30 am+1 day
9:00 pm8:30 am+1 day
10:00 pm9:30 am+1 day
11:00 pm10:30 am+1 day

Daylight saving time

Mountain Time observes daylight saving time; India Standard Time does not. The offset between the two zones changes when Mountain Time transitions: on Sunday, November 1, 2026, clocks fall back from MDT to MST.

Daylight today

Mountain Time
Sunrise
5:37 AM
Sunset
8:19 PM
Day length
14h 41m
India Standard Time
Sunrise
6:02 AM
Sunset
7:11 PM
Day length
13h 9m

Daylight overlap: 2h 4m — 5:37 AM–7:41 AM in Mountain Time (5:07 PM–7:11 PM in India Standard Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Mountain Time

Airports in these zones

Airports in Mountain Time

  • BJC
  • DEN
  • OGD
  • SLC

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

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