IST/IDT to MST/MDT time converter

MST/MDT is 9 hours behind IST/IDT. When it is 9:00 AM in IST/IDT, it is 12:00 AM in MST/MDT.

IST/IDT IDT

Saturday, October 17, 2026

MST/MDT MDT

Friday, October 16, 2026

IST/IDT
Israel Daylight Time
Sat, Oct 17
IDTUTC+3
MST/MDT
Mountain Standard Time
Fri, Oct 16
MDTUTC-6-9h
Finding your time zone…
Shared working hours (9:00–18:00)

IST/IDT to MST/MDT conversion table

Every hour of today in IST/IDT and the matching time in MST/MDT. Light rows are typical working hours (9:00–18:00).

IST/IDTMST/MDT
12:00 AM3:00 PM−1 day
1:00 AM4:00 PM−1 day
2:00 AM5:00 PM−1 day
3:00 AM6:00 PM−1 day
4:00 AM7:00 PM−1 day
5:00 AM8:00 PM−1 day
6:00 AM9:00 PM−1 day
7:00 AM10:00 PM−1 day
8:00 AM11:00 PM−1 day
9:00 AM12:00 AM
10:00 AM1:00 AM
11:00 AM2:00 AM
12:00 PM3:00 AM
1:00 PM4:00 AM
2:00 PM5:00 AM
3:00 PM6:00 AM
4:00 PM7:00 AM
5:00 PM8:00 AM
6:00 PM9:00 AM
7:00 PM10:00 AM
8:00 PM11:00 AM
9:00 PM12:00 PM
10:00 PM1:00 PM
11:00 PM2:00 PM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in IST/IDT (7:00 AM – 9:00 AM in MST/MDT): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because IST/IDT and MST/MDT switch clocks on different dates:

  • Oct 17, 2026 – Oct 25, 2026: -9h
  • Oct 25, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Mar 26, 2027: -8h
  • Mar 26, 2027 – Oct 17, 2027: -9h

More conversions

MST to IDTIDT to UTCIDT to GMTIDT to ESTIDT to CSTIDT to PSTIDT to CETIDT to MSKIDT to GSTIDT to PKTIDT to ISTIDT to SGTIDT to PHT
UTC to MSTGMT to MSTEST to MSTCST to MSTPST to MSTCET to MSTMSK to MSTGST to MSTPKT to MSTIST to MSTSGT to MSTPHT to MST

Questions and answers

What is the time difference between IST/IDT and MST/MDT?

MST/MDT is 9 hours behind IST/IDT.

What time is it in MST/MDT when it is 9 AM in IST/IDT?

When it is 9:00 AM in IST/IDT, it is 12:00 AM in MST/MDT.

When is the best time to call MST/MDT from IST/IDT?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in IST/IDT (7:00 AM – 9:00 AM in MST/MDT): working hours on one side, early or late on the other.

Does the time difference between IST/IDT and MST/MDT change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.