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- ET to GMT to IST to MDT
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ET/EDT
Eastern Time
GMT -4
GMT
Greenwich Mean Time
GMT +0
Time Difference
Eastern Daylight Time is 4 hours behind Greenwich Mean Time and 9 hours and 30 minutes behind India Standard Time and 2 hours ahead of Mountain Daylight Time
6:00 am06:00 in EDT is 10:00 am10:00 in GMT and is 3:30 pm15:30 in IST and is 4:00 am04:00 in MDT
ET to GMT call time
Best time for a conference call or a meeting is between 8am-1pm in ET which corresponds to 1pm-6pm in GMT
ET to IST call time
Best time for a conference call or a meeting is between 7:30am-9:30am in ET which corresponds to 6pm-8pm in IST
ET to MDT call time
Best time for a conference call or a meeting is between 9am-6pm in ET which corresponds to 8am-5pm in MDT
6:00 am06:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:00 am10:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
3:30 pm15:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 am04:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
6:00 am06:00 EDT / 10:00 am10:00 GMT / 3:30 pm15:30 IST / 4:00 am04:00 MDT
| ET | GMT | IST | MDT |
|---|---|---|---|
| 12am (midnight) | 4am | 9:30 am | 10pm |
| 1am | 5am | 10:30 am | 11pm |
| 2am | 6am | 11:30 am | 12am (midnight) |
| 3am | 7am | 12:30 pm | 1am |
| 4am | 8am | 1:30 pm | 2am |
| 5am | 9am | 2:30 pm | 3am |
| 6am | 10am | 3:30 pm | 4am |
| 7am | 11am | 4:30 pm | 5am |
| 8am | 12pm (noon) | 5:30 pm | 6am |
| 9am | 1pm | 6:30 pm | 7am |
| 10am | 2pm | 7:30 pm | 8am |
| 11am | 3pm | 8:30 pm | 9am |
| 12pm (noon) | 4pm | 9:30 pm | 10am |
| 1pm | 5pm | 10:30 pm | 11am |
| 2pm | 6pm | 11:30 pm | 12pm (noon) |
| 3pm | 7pm | 12:30 am | 1pm |
| 4pm | 8pm | 1:30 am | 2pm |
| 5pm | 9pm | 2:30 am | 3pm |
| 6pm | 10pm | 3:30 am | 4pm |
| 7pm | 11pm | 4:30 am | 5pm |
| 8pm | 12am (midnight) | 5:30 am | 6pm |
| 9pm | 1am | 6:30 am | 7pm |
| 10pm | 2am | 7:30 am | 8pm |
| 11pm | 3am | 8:30 am | 9pm |
| 0:00 | 4:00 | 9:30 | 22:00 |
| 1:00 | 5:00 | 10:30 | 23:00 |
| 2:00 | 6:00 | 11:30 | 0:00 |
| 3:00 | 7:00 | 12:30 | 1:00 |
| 4:00 | 8:00 | 13:30 | 2:00 |
| 5:00 | 9:00 | 14:30 | 3:00 |
| 6:00 | 10:00 | 15:30 | 4:00 |
| 7:00 | 11:00 | 16:30 | 5:00 |
| 8:00 | 12:00 | 17:30 | 6:00 |
| 9:00 | 13:00 | 18:30 | 7:00 |
| 10:00 | 14:00 | 19:30 | 8:00 |
| 11:00 | 15:00 | 20:30 | 9:00 |
| 12:00 | 16:00 | 21:30 | 10:00 |
| 13:00 | 17:00 | 22:30 | 11:00 |
| 14:00 | 18:00 | 23:30 | 12:00 |
| 15:00 | 19:00 | 0:30 | 13:00 |
| 16:00 | 20:00 | 1:30 | 14:00 |
| 17:00 | 21:00 | 2:30 | 15:00 |
| 18:00 | 22:00 | 3:30 | 16:00 |
| 19:00 | 23:00 | 4:30 | 17:00 |
| 20:00 | 0:00 | 5:30 | 18:00 |
| 21:00 | 1:00 | 6:30 | 19:00 |
| 22:00 | 2:00 | 7:30 | 20:00 |
| 23:00 | 3:00 | 8:30 | 21:00 |
Eastern Time
Eastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. ET is not static but switches between EDT and EST.
ET is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. states in the eastern part of the contiguous United States including the capital city Washington D.C., the most populous city New York and half of the country’s population.
In the United States nationally televised programs, evening newscasts, talent and awards shows, and any other nationally televised event that airs live on American television during prime time and on the weekends are broadcast live in the Eastern Time Zone. Major professional sports leagues MLB, NBA, NFL and NHL also provide their game times in Eastern Time, even if teams are from outside of Eastern Time.
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
Eastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. ET is not static but switches between EDT and EST.
ET is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. states in the eastern part of the contiguous United States including the capital city Washington D.C., the most populous city New York and half of the country’s population.
In the United States nationally televised programs, evening newscasts, talent and awards shows, and any other nationally televised event that airs live on American television during prime time and on the weekends are broadcast live in the Eastern Time Zone. Major professional sports leagues MLB, NBA, NFL and NHL also provide their game times in Eastern Time, even if teams are from outside of Eastern Time.
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
ET representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -05 - basic short
- -0500 - basic
- -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -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.
Military/NATO: Used by the U.S. military, Chinese military and others
- Romeo - Military abbreviation for ET
- R - short form of 'Romeo'
ET Abbreviation: Several time zones share ET abbreviation and it could refer to these time zones
- Eastern Time - UTC -5
- Tiempo del Este - UTC -5
- Ecuador Time - UTC -5
Time zones with the GMT -5 offset:
- 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
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
GMT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
GMT Abbreviation: Several time zones share GMT abbreviation and it could refer to these time zones
- Greenwich Mean Time - UTC +0
- GMT - UTC +1
- GMT+03:00 - UTC +3
- GMT+06:00 - UTC +6
- GMT+11:00 - UTC +11
- GMT-01:00 - UTC -1
Time zones with the GMT +0 offset:
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu 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
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0530 - basic
- +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +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.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Asia/Calcutta
- Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
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 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
MDT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -06 - basic short
- -0600 - basic
- -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -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.
Military/NATO: Used by the U.S. military, Chinese military and others
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
Time zones with the GMT -6 offset:
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
