IST to MDT Converter
Time Difference
India Standard Time is 11 hours and 30 minutes ahead of Mountain Daylight Time
11:00 am11:00 in IST is 11:30 pm23:30 in MDT
IST to MDT call time
Best time for a conference call or a meeting is between 6:30pm-8:30pm in IST which corresponds to 7am-9am in MDT
11:00 am11:00 India Standard Time (IST). Offset UTC +5:30 hours
11:30 pm23:30 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
11:00 am11:00 IST / 11:30 pm23:30 MDT
| IST | MDT |
|---|---|
| 12am (midnight) | 12:30 pm |
| 1am | 1:30 pm |
| 2am | 2:30 pm |
| 3am | 3:30 pm |
| 4am | 4:30 pm |
| 5am | 5:30 pm |
| 6am | 6:30 pm |
| 7am | 7:30 pm |
| 8am | 8:30 pm |
| 9am | 9:30 pm |
| 10am | 10:30 pm |
| 11am | 11:30 pm |
| 12pm (noon) | 12:30 am |
| 1pm | 1:30 am |
| 2pm | 2:30 am |
| 3pm | 3:30 am |
| 4pm | 4:30 am |
| 5pm | 5:30 am |
| 6pm | 6:30 am |
| 7pm | 7:30 am |
| 8pm | 8:30 am |
| 9pm | 9:30 am |
| 10pm | 10:30 am |
| 11pm | 11:30 am |
| 0:00 | 12:30 |
| 1:00 | 13:30 |
| 2:00 | 14:30 |
| 3:00 | 15:30 |
| 4:00 | 16:30 |
| 5:00 | 17:30 |
| 6:00 | 18:30 |
| 7:00 | 19:30 |
| 8:00 | 20:30 |
| 9:00 | 21:30 |
| 10:00 | 22:30 |
| 11:00 | 23:30 |
| 12:00 | 0:30 |
| 13:00 | 1:30 |
| 14:00 | 2:30 |
| 15:00 | 3:30 |
| 16:00 | 4:30 |
| 17:00 | 5:30 |
| 18:00 | 6:30 |
| 19:00 | 7:30 |
| 20:00 | 8:30 |
| 21:00 | 9:30 |
| 22:00 | 10:30 |
| 23:00 | 11:30 |
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
- Iran Standard Time - UTC +3:30
Mountain Daylight Time
Offset: MDT is 6 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 MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
MDT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone