MDT to IST to EST to Beirut, Lebanon to Riyadh, Saudi Arabia to SGT to Doha, Qatar
Time Difference
Mountain Daylight Time is 11 hours and 30 minutes behind India Standard Time and 2 hours behind Eastern Daylight Time and 9 hours behind EEST (Eastern European Summer Time) and 9 hours behind and 14 hours behind Singapore Time and 9 hours behind
2:00 pm14:00 in MDT is 1:30 am01:30 in IST and is 4:00 pm16:00 in EDT and is 11:00 pm23:00 in Beirut, Lebanon and is 11:00 pm23:00 in Riyadh, Saudi Arabia and is 4:00 am04:00 in SGT and is 11:00 pm23:00 in Doha, Qatar
MDT to IST call time
Best time for a conference call or a meeting is between 7am-9am in MDT which corresponds to 6:30pm-8:30pm in IST
MDT to EST call time
Best time for a conference call or a meeting is between 8am-5pm in MDT which corresponds to 9am-6pm in EST
MDT to Beirut call time
Best time for a conference call or a meeting is between 8am-10am in MDT which corresponds to 5pm-7pm in Beirut
MDT to Riyadh call time
Best time for a conference call or a meeting is between 8am-10am in MDT which corresponds to 5pm-7pm in Riyadh
MDT to SGT call time
Best time for a conference call or a meeting is between 6am-8am in MDT which corresponds to 8pm-10pm in SGT
MDT to Doha call time
Best time for a conference call or a meeting is between 8am-10am in MDT which corresponds to 5pm-7pm in Doha
2:00 pm14:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
1:30 am01:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 pm16:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:00 pm23:00 EEST (Eastern European Summer Time) (Beirut, Lebanon). Offset UTC +3:00 hours
11:00 pm23:00 (Riyadh, Saudi Arabia). Offset UTC +3:00 hours
4:00 am04:00 Singapore Time (SGT). Offset UTC +8:00 hours
11:00 pm23:00 (Doha, Qatar). Offset UTC +3:00 hours
2:00 pm14:00 MDT / 1:30 am01:30 IST / 4:00 pm16:00 EDT / 11:00 pm23:00 Beirut, Lebanon / 11:00 pm23:00 Riyadh, Saudi Arabia / 4:00 am04:00 SGT / 11:00 pm23:00 Doha, Qatar
MDT | IST | EDT | Beirut, Lebanon | Riyadh, Saudi Arabia | SGT | Doha, Qatar |
---|---|---|---|---|---|---|
12am (midnight) | 11:30 am | 2am | 9am | 9am | 2pm | 9am |
1am | 12:30 pm | 3am | 10am | 10am | 3pm | 10am |
2am | 1:30 pm | 4am | 11am | 11am | 4pm | 11am |
3am | 2:30 pm | 5am | 12pm (noon) | 12pm (noon) | 5pm | 12pm (noon) |
4am | 3:30 pm | 6am | 1pm | 1pm | 6pm | 1pm |
5am | 4:30 pm | 7am | 2pm | 2pm | 7pm | 2pm |
6am | 5:30 pm | 8am | 3pm | 3pm | 8pm | 3pm |
7am | 6:30 pm | 9am | 4pm | 4pm | 9pm | 4pm |
8am | 7:30 pm | 10am | 5pm | 5pm | 10pm | 5pm |
9am | 8:30 pm | 11am | 6pm | 6pm | 11pm | 6pm |
10am | 9:30 pm | 12pm (noon) | 7pm | 7pm | 12am (midnight) | 7pm |
11am | 10:30 pm | 1pm | 8pm | 8pm | 1am | 8pm |
12pm (noon) | 11:30 pm | 2pm | 9pm | 9pm | 2am | 9pm |
1pm | 12:30 am | 3pm | 10pm | 10pm | 3am | 10pm |
2pm | 1:30 am | 4pm | 11pm | 11pm | 4am | 11pm |
3pm | 2:30 am | 5pm | 12am (midnight) | 12am (midnight) | 5am | 12am (midnight) |
4pm | 3:30 am | 6pm | 1am | 1am | 6am | 1am |
5pm | 4:30 am | 7pm | 2am | 2am | 7am | 2am |
6pm | 5:30 am | 8pm | 3am | 3am | 8am | 3am |
7pm | 6:30 am | 9pm | 4am | 4am | 9am | 4am |
8pm | 7:30 am | 10pm | 5am | 5am | 10am | 5am |
9pm | 8:30 am | 11pm | 6am | 6am | 11am | 6am |
10pm | 9:30 am | 12am (midnight) | 7am | 7am | 12pm (noon) | 7am |
11pm | 10:30 am | 1am | 8am | 8am | 1pm | 8am |
0:00 | 11:30 | 2:00 | 9:00 | 9:00 | 14:00 | 9:00 |
1:00 | 12:30 | 3:00 | 10:00 | 10:00 | 15:00 | 10:00 |
2:00 | 13:30 | 4:00 | 11:00 | 11:00 | 16:00 | 11:00 |
3:00 | 14:30 | 5:00 | 12:00 | 12:00 | 17:00 | 12:00 |
4:00 | 15:30 | 6:00 | 13:00 | 13:00 | 18:00 | 13:00 |
5:00 | 16:30 | 7:00 | 14:00 | 14:00 | 19:00 | 14:00 |
6:00 | 17:30 | 8:00 | 15:00 | 15:00 | 20:00 | 15:00 |
7:00 | 18:30 | 9:00 | 16:00 | 16:00 | 21:00 | 16:00 |
8:00 | 19:30 | 10:00 | 17:00 | 17:00 | 22:00 | 17:00 |
9:00 | 20:30 | 11:00 | 18:00 | 18:00 | 23:00 | 18:00 |
10:00 | 21:30 | 12:00 | 19:00 | 19:00 | 0:00 | 19:00 |
11:00 | 22:30 | 13:00 | 20:00 | 20:00 | 1:00 | 20:00 |
12:00 | 23:30 | 14:00 | 21:00 | 21:00 | 2:00 | 21:00 |
13:00 | 0:30 | 15:00 | 22:00 | 22:00 | 3:00 | 22:00 |
14:00 | 1:30 | 16:00 | 23:00 | 23:00 | 4:00 | 23:00 |
15:00 | 2:30 | 17:00 | 0:00 | 0:00 | 5:00 | 0:00 |
16:00 | 3:30 | 18:00 | 1:00 | 1:00 | 6:00 | 1:00 |
17:00 | 4:30 | 19:00 | 2:00 | 2:00 | 7:00 | 2:00 |
18:00 | 5:30 | 20:00 | 3:00 | 3:00 | 8:00 | 3:00 |
19:00 | 6:30 | 21:00 | 4:00 | 4:00 | 9:00 | 4:00 |
20:00 | 7:30 | 22:00 | 5:00 | 5:00 | 10:00 | 5:00 |
21:00 | 8:30 | 23:00 | 6:00 | 6:00 | 11:00 | 6:00 |
22:00 | 9:30 | 0:00 | 7:00 | 7:00 | 12:00 | 7:00 |
23:00 | 10:30 | 1:00 | 8:00 | 8:00 | 13:00 | 8:00 |
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
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
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended 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 local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts 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. Standard time starts annually the on first Sunday of November.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Beirut Information
Time Zone
EET - Eastern European Time
+2:00 hours during Eastern European Time.


Beirut Facts
Riyadh Information
Time Zone
AST - Arabia Standard Time
+3:00 hours during Arabia Standard Time.
Riyadh Facts
Singapore Time
Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

SGT representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
- Hotel - Military abbreviation for SGT
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time