GMT to EST to NZST to EDT
EST is not used on this date
This converter uses EDT (GMT -4), the offset New York uses on this date. Open the EDT converter.Compare GMT time with EST, NZST, and EDT 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 and 12 hours behind New Zealand Standard Time and 4 hours ahead of Eastern Daylight Time
8:00 pm20:00 in GMT is 4:00 pm16:00 in EDT and is 8:00 am08:00 in NZST and is 4:00 pm16:00 in EDT
GMT to EDT call time
Best time for a conference call or a meeting is between 1pm-5pm in GMT which corresponds to 9am-1pm in EDT
GMT to NZST call time
Best time for a conference call or a meeting is between 7am-8am in GMT which corresponds to 7pm-8pm in NZST
GMT to EDT call time
Best time for a conference call or a meeting is between 1pm-5pm in GMT which corresponds to 9am-1pm in EDT
8:00 pm20:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
4:00 pm16:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
8:00 am08:00 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
4:00 pm16:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
8:00 pm20:00 GMT / 4:00 pm16:00 EDT / 8:00 am08:00 NZST / 4:00 pm16:00 EDT
| GMT | EDT | NZST | EDT |
|---|---|---|---|
| 12am (midnight) | 8pm | 12pm (noon) | 8pm |
| 1am | 9pm | 1pm | 9pm |
| 2am | 10pm | 2pm | 10pm |
| 3am | 11pm | 3pm | 11pm |
| 4am | 12am (midnight) | 4pm | 12am (midnight) |
| 5am | 1am | 5pm | 1am |
| 6am | 2am | 6pm | 2am |
| 7am | 3am | 7pm | 3am |
| 8am | 4am | 8pm | 4am |
| 9am | 5am | 9pm | 5am |
| 10am | 6am | 10pm | 6am |
| 11am | 7am | 11pm | 7am |
| 12pm (noon) | 8am | 12am (midnight) | 8am |
| 1pm | 9am | 1am | 9am |
| 2pm | 10am | 2am | 10am |
| 3pm | 11am | 3am | 11am |
| 4pm | 12pm (noon) | 4am | 12pm (noon) |
| 5pm | 1pm | 5am | 1pm |
| 6pm | 2pm | 6am | 2pm |
| 7pm | 3pm | 7am | 3pm |
| 8pm | 4pm | 8am | 4pm |
| 9pm | 5pm | 9am | 5pm |
| 10pm | 6pm | 10am | 6pm |
| 11pm | 7pm | 11am | 7pm |
| 00:00 | 20:00 | 12:00 | 20:00 |
| 01:00 | 21:00 | 13:00 | 21:00 |
| 02:00 | 22:00 | 14:00 | 22:00 |
| 03:00 | 23:00 | 15:00 | 23:00 |
| 04:00 | 00:00 | 16:00 | 00:00 |
| 05:00 | 01:00 | 17:00 | 01:00 |
| 06:00 | 02:00 | 18:00 | 02:00 |
| 07:00 | 03:00 | 19:00 | 03:00 |
| 08:00 | 04:00 | 20:00 | 04:00 |
| 09:00 | 05:00 | 21:00 | 05:00 |
| 10:00 | 06:00 | 22:00 | 06:00 |
| 11:00 | 07:00 | 23:00 | 07:00 |
| 12:00 | 08:00 | 00:00 | 08:00 |
| 13:00 | 09:00 | 01:00 | 09:00 |
| 14:00 | 10:00 | 02:00 | 10:00 |
| 15:00 | 11:00 | 03:00 | 11:00 |
| 16:00 | 12:00 | 04:00 | 12:00 |
| 17:00 | 13:00 | 05:00 | 13:00 |
| 18:00 | 14:00 | 06:00 | 14:00 |
| 19:00 | 15:00 | 07:00 | 15:00 |
| 20:00 | 16:00 | 08:00 | 16:00 |
| 21:00 | 17:00 | 09:00 | 17:00 |
| 22:00 | 18:00 | 10:00 | 18:00 |
| 23:00 | 19:00 | 11:00 | 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, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Iceland, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT time zone is Abidjan in Ivory Coast, with about 3.677 million people. Other major cities in this time zone include Dakar, Grand Dakar, Accra, Camayenne.
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: Canada, Jamaica, Cayman Islands, Mexico, Panama
Principal Cities: The largest city in the EST time zone is Kingston in Jamaica, with about 937,700 people. Other major cities in this time zone include New Kingston, Cancun, Panama, San Miguelito.
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 am local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am 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 am local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am. 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
New Zealand Standard Time
Offset: NZST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Antarctica, New Zealand
Principal Cities: The largest city in the NZST time zone is Auckland in New Zealand, with about 1.535 million people. Other major cities in this time zone include Wellington, Christchurch, Hamilton, Tauranga.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe New Zealand Daylight Time (NZDT).
Start: New Zealand Standard Time (NZST) started on Sunday, April 5, 2026 at 3:00 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually on the first Sunday of April.
End: New Zealand Standard Time (NZST) ends on Sunday, September 27, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, September 27, 2026, 3:00 am local daylight time instead. Standard time ends annually on the last Sunday of September.
NZST representations, usage and related time zones
- +12 - basic short
- +1200 - basic
- +12:00 - extended
- +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
- Mike - Military abbreviation for NZST
- M - short form of 'Mike'
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- ANAST - Anadyr Summer Time
- ANAT - Anadyr Time
- FJT - Fiji Time
- GILT - Gilbert Island Time
- M - Mike Time Zone
- MAGST - Magadan Summer Time
- MHT - Marshall Islands Time
- NRT - Nauru Time
- NZST - New Zealand Standard Time
- PETST - Kamchatka Summer Time
- TVT - Tuvalu Time
- WFT - Wallis and Futuna Time
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include Toronto, Montreal, Brooklyn, Borough of Queens.
French: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste
Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started on Sunday, March 8, 2026 at 2:00 am local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Eastern Daylight Time (EDT) ends on Sunday, November 1, 2026 at 2:00 am local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time