IST to MST Converter

Convert India Standard Time (IST) to Mountain Time (MST), with daylight saving time handled for you.

MST to IST

Now in IST

11:32 PM

India Standard Time · New Delhi

Now in MST

12:02 PM

Mountain Time · Denver

Results

11:32 PM IST in MST

12:02 PM

Mountain Time · right now MST is 11 hours 30 minutes behind IST

Times follow New Delhi for IST and Denver for MST, using the IANA time zone database.

IST to MST time difference

MST is 11 hours 30 minutes behind IST for most of 2026, and 12 hours 30 minutes behind IST for about 127 days, because daylight saving time changes on different dates.

India Standard Time does not use daylight saving time. In 2026, Mountain Time switches to MDT on March 8 and back to MST on November 1.

IST to MST conversion table

Every hour on 2026-09-28. Highlighted rows fall inside 9 AM–5 PM in both zones.

IST (India Standard Time)MST (Mountain Time)
12:00 AM12:30 PM · previous day
1:00 AM1:30 PM · previous day
2:00 AM2:30 PM · previous day
3:00 AM3:30 PM · previous day
4:00 AM4:30 PM · previous day
5:00 AM5:30 PM · previous day
6:00 AM6:30 PM · previous day
7:00 AM7:30 PM · previous day
8:00 AM8:30 PM · previous day
9:00 AM9:30 PM · previous day
10:00 AM10:30 PM · previous day
11:00 AM11:30 PM · previous day
12:00 PM12:30 AM
1:00 PM1:30 AM
2:00 PM2:30 AM
3:00 PM3:30 AM
4:00 PM4:30 AM
5:00 PM5:30 AM
6:00 PM6:30 AM
7:00 PM7:30 AM
8:00 PM8:30 AM
9:00 PM9:30 AM
10:00 PM10:30 AM
11:00 PM11:30 AM

Working hours overlap

On 2026-09-28, 9 AM–5 PM workdays in IST and MST don't overlap. Try an early start in one zone and a late finish in the other, or use the meeting planner.

Convert IST to other time zones

How to use

Follow these steps to get a result

  1. Pick a date and a time in India Standard Time (IST).

  2. Read the matching MST time, including whether it falls on the next or previous day.

  3. Scan the 24-hour table to see every hour at once, with shared working hours highlighted.

Features

What this tool includes

  • Live clocks for both time zones

  • Daylight saving time handled automatically

  • 24-hour conversion table

  • Working-hours overlap

FAQ

Common questions about this tool

MST is 11 hours 30 minutes behind IST for most of 2026, and 12 hours 30 minutes behind IST for about 127 days, because daylight saving time changes on different dates.

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