GMT to EST to Indianapolis Time Converter
Quick answers
Selected conversion
12:00 pm12:00 GMT (UTC+0), Oct 11, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 11, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 11, 2026
GMT is 4 hours ahead of EDT. GMT is 4 hours ahead of Indianapolis.
How the time difference changes
GMT to EST
For most of the year, GMT is 4 hours ahead of EDT. At other times of the year, GMT is 5 hours ahead of EST.
For most of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 5:00 am to 1:00 pm in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 4:00 am to 12:00 pm in EST.For most of the year, working hours of 09:00 to 17:00 in GMT correspond to 05:00 to 13:00 in EDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 04:00 to 12:00 in EST.
GMT to Indianapolis
For most of the year, GMT is 4 hours ahead of Indianapolis. At other times of the year, GMT is 5 hours ahead of Indianapolis.
For most of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 5:00 am to 1:00 pm in Indianapolis. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 4:00 am to 12:00 pm in Indianapolis.For most of the year, working hours of 09:00 to 17:00 in GMT correspond to 05:00 to 13:00 in Indianapolis. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 04:00 to 12:00 in Indianapolis.
Compare GMT time with EST and Indianapolis time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 4 hours ahead of Eastern Daylight Time. Greenwich Mean Time is 4 hours ahead of EDT (Eastern Daylight Time).
12:00 pm12:00 in GMT is 8:00 am08:00 in EDT and is 8:00 am08:00 in Indianapolis, IN, USA
GMT to EDT call time
Best time for a conference call or a meeting is between 1pm-5pm13:00-17:00 in GMT which corresponds to 9am-1pm09:00-13:00 in EDT
GMT to Indianapolis call time
Best time for a conference call or a meeting is between 1pm-5pm13:00-17:00 in GMT which corresponds to 9am-1pm09:00-13:00 in Indianapolis
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
8:00 am08:00 EDT (Eastern Daylight Time) (Indianapolis, IN, USA). Offset UTC -4:00 hours
12:00 pm12:00 GMT / 8:00 am08:00 EDT / 8:00 am08:00 Indianapolis, IN, USA
| GMT | EDT | Indianapolis, IN, USA |
|---|---|---|
| 12:00am | 8:00pm | 8:00pm |
| 1:00am | 9:00pm | 9:00pm |
| 2:00am | 10:00pm | 10:00pm |
| 3:00am | 11:00pm | 11:00pm |
| 4:00am | 12:00am | 12:00am |
| 5:00am | 1:00am | 1:00am |
| 6:00am | 2:00am | 2:00am |
| 7:00am | 3:00am | 3:00am |
| 8:00am | 4:00am | 4:00am |
| 9:00am | 5:00am | 5:00am |
| 10:00am | 6:00am | 6:00am |
| 11:00am | 7:00am | 7:00am |
| 12:00pm | 8:00am | 8:00am |
| 1:00pm | 9:00am | 9:00am |
| 2:00pm | 10:00am | 10:00am |
| 3:00pm | 11:00am | 11:00am |
| 4:00pm | 12:00pm | 12:00pm |
| 5:00pm | 1:00pm | 1:00pm |
| 6:00pm | 2:00pm | 2:00pm |
| 7:00pm | 3:00pm | 3:00pm |
| 8:00pm | 4:00pm | 4:00pm |
| 9:00pm | 5:00pm | 5:00pm |
| 10:00pm | 6:00pm | 6:00pm |
| 11:00pm | 7:00pm | 7:00pm |
| 00:00 | 20:00 | 20:00 |
| 01:00 | 21:00 | 21:00 |
| 02:00 | 22:00 | 22:00 |
| 03:00 | 23:00 | 23:00 |
| 04:00 | 00:00 | 00:00 |
| 05:00 | 01:00 | 01:00 |
| 06:00 | 02:00 | 02:00 |
| 07:00 | 03:00 | 03:00 |
| 08:00 | 04:00 | 04:00 |
| 09:00 | 05:00 | 05:00 |
| 10:00 | 06:00 | 06:00 |
| 11:00 | 07:00 | 07:00 |
| 12:00 | 08:00 | 08:00 |
| 13:00 | 09:00 | 09:00 |
| 14:00 | 10:00 | 10:00 |
| 15:00 | 11:00 | 11:00 |
| 16:00 | 12:00 | 12:00 |
| 17:00 | 13:00 | 13:00 |
| 18:00 | 14:00 | 14:00 |
| 19:00 | 15:00 | 15:00 |
| 20:00 | 16:00 | 16:00 |
| 21:00 | 17:00 | 17:00 |
| 22:00 | 18:00 | 18:00 |
| 23:00 | 19:00 | 19:00 |
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: 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 time zone is London in United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Dakar, Kumasi.
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
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- 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
- 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
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Brooklyn, Borough of Queens, Montreal.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the 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 an offset of five hours 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
Indianapolis Information
Time Zone
EST - Eastern Standard Time
-5:00 hours during Eastern Standard Time.
Sunday, March 8, 2026 at 2:00 amSunday, March 8, 2026 at 02:00 local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 amSunday, March 8, 2026 at 03:00 local daylight time instead. Also called Spring Forward or Summer Time.Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00 local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 amSunday, November 1, 2026 at 01:00 local standard time instead. Also called Fall Back or switch to Winter Time.