Convert IST to MST time zone

In the graph below you see the time zone difference between India Standard Time and Mountain Standard Time. Drag the bubble to adjust the time and to see the corresponding time in the other time zone.


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Tips for converting IST to MST

India Standard Time is the time zone of India, including cities like New Delhi, Mumbai, Bangalore, Kolkata and Colombo. Mountain Standard Time is the time zone of the US and Canadian states around the Rocky Mountains when observing daylight saving time in the sum, with places like Edmonton, Calgary, Denver and Salt Lake City.

When is the best time to schedule a meeting with IST and MST?

Usually it is preferable to schedule meetings in the late afternoon for the person in IST and before lunch for the person in MST.

Other common time zone conversions

More IST conversions
IST to JST, IST to EST, IST to PST, IST to GMT, IST to CST

More MST conversions
MST to PST, MST to CST, MST to GMT, MST to CET, MST to EDT

About IST - Indian Standard Time

Indian Standard Time, or IST for short, is the timezone of the Indian subcontinent. It is 3.5h ahead of GMT – so when the clock is 12 noon in India it is 8.30 in the morning in Delhi and Mumbai.

Countries using IST:

India, Sri Lanka

Example of cities observing it:

Delhi, Colombo, Kolkata and Mumbai

Summer time and Daylight saving time:

This timezone does not observe daylight saving time so the time difference always stay the same. You however need to pay attention to if the other time zone is observing DST as this will make a difference.

Other:

IST can also refer to Irish Standard Time or Israeli Standard time, but most of the times it is India that is being referred to – just make sure to double check this before you send that calendar invite!



About MST – Mountain Standard Time

Mountain Standard Time is observed in the Western part of central US and Canada, as well as the North West corner of Mexico. It is 7 hours behind UTC and turns into MDT in the summer. The name Mountain Time comes from it covering the Rocky Mountains in Western United States. In Mexico, this time zone is known as Zona Pacifico (Pacific Zone).

Countries observing MST:

Mountain Time is observed in parts of Canada, the US and Mexico. The only province in Canada to be fully covered by MST is Alberta whereas other provinces like British Columbia and Northwest Territories are split between MST and PST.

In the US, Arizona, Colorado, Montana, Utah and Wyoming are all observing Mountain Time but there is also a bunch where part of the state observe MST and part another time zone, like CST or PST.

In Mexico, it is only the states in the north western corner of the country, including Baja California, Sinaloa and Chihuahua that observe MST.

Example of cities observing Mountain Standard Time:

The largest city observing MST is Phoenix, followed by Denver and El Paso/Juarez.

Daylight Saving Time

Aside from Arizona and the Mexican state of Sonora, all other locations do observe DST, turning MST into MDT – Mountain Daylight Time. Given this, and the fact that not entire states observe the same time zone, it is always recommended to use a good time zone converter to convert specific locations’ times.