IST to MST Converter
Time Difference
India Standard Time is 12 hours and 30 minutes ahead of Mountain Standard Time
4:00 am04:00 in IST is 3:30 pm15:30 in MST
IST to MST call time
Best time for a conference call or a meeting is between 7pm-9pm in IST which corresponds to 6:30am-8:30am in MST
4:00 am04:00 India Standard Time (IST). Offset UTC +5:30 hours
3:30 pm15:30 Mountain Standard Time (MST). Offset UTC -7:00 hours
4:00 am04:00 IST / 3:30 pm15:30 MST
IST | MST |
---|---|
12am (midnight) | 11:30 am |
1am | 12:30 pm |
2am | 1:30 pm |
3am | 2:30 pm |
4am | 3:30 pm |
5am | 4:30 pm |
6am | 5:30 pm |
7am | 6:30 pm |
8am | 7:30 pm |
9am | 8:30 pm |
10am | 9:30 pm |
11am | 10:30 pm |
12pm (noon) | 11:30 pm |
1pm | 12:30 am |
2pm | 1:30 am |
3pm | 2:30 am |
4pm | 3:30 am |
5pm | 4:30 am |
6pm | 5:30 am |
7pm | 6:30 am |
8pm | 7:30 am |
9pm | 8:30 am |
10pm | 9:30 am |
11pm | 10:30 am |
0:00 | 11:30 |
1:00 | 12:30 |
2:00 | 13:30 |
3:00 | 14:30 |
4:00 | 15:30 |
5:00 | 16:30 |
6:00 | 17:30 |
7:00 | 18:30 |
8:00 | 19:30 |
9:00 | 20:30 |
10:00 | 21:30 |
11:00 | 22:30 |
12:00 | 23:30 |
13:00 | 0:30 |
14:00 | 1:30 |
15:00 | 2:30 |
16:00 | 3:30 |
17:00 | 4:30 |
18:00 | 5:30 |
19:00 | 6:30 |
20:00 | 7:30 |
21:00 | 8:30 |
22:00 | 9:30 |
23:00 | 10:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MST timezone is Ciudad Juarez from Mexico with population about 1.512 million people. Other major cities in the area are Phoenix, Calgary, Chihuahua, Edmonton
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Mountain Daylight Time (MDT).
Start: MST started and clocks were set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.
End: MST ends and clocks are set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona PacĂfico

MST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- America/Boise
- America/Cambridge_Bay
- America/Chihuahua
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Ojinaga
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- T - Tango Time Zone