GMT to NZDT to BST to EST to AEST to CET
AEST is NOT in use by many locations
AEDT (Australian Eastern Daylight Time) is used instead. Switch to AEDT time zone or select one of the cities Sydney, Melbourne, Gold Coast) for automatic timezone change.Time Difference
Greenwich Mean Time is 13 hours behind New Zealand Daylight Time and 0 hours ahead of Greenwich Mean Time and 4 hours ahead of Eastern Daylight Time and 10 hours behind Australian Eastern Standard Time and 1 hours behind Central European Time
12:00 am00:00 in GMT is 1:00 pm13:00 in NZDT and is 12:00 am00:00 in GMT and is 8:00 pm20:00 in EDT and is 10:00 am10:00 in AEST and is 1:00 am01:00 in CET
GMT to NZDT call time
Best time for a conference call or a meeting is between 6:30am-8:30am in GMT which corresponds to 7:30pm-9:30pm in NZDT
GMT to BST call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in BST
GMT to EST call time
Best time for a conference call or a meeting is between 1pm-6pm in GMT which corresponds to 8am-1pm in EST
GMT to AEST call time
Best time for a conference call or a meeting is between 8am-10am in GMT which corresponds to 6pm-8pm in AEST
GMT to CET call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in CET
12:00 am00:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 pm13:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
12:00 am00:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
8:00 pm20:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:00 am10:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
1:00 am01:00 Central European Time (CET). Offset UTC +1:00 hour
12:00 am00:00 GMT / 1:00 pm13:00 NZDT / 12:00 am00:00 GMT / 8:00 pm20:00 EDT / 10:00 am10:00 AEST / 1:00 am01:00 CET
GMT | NZDT | GMT | EDT | AEST | CET |
---|---|---|---|---|---|
12am (midnight) | 1pm | 12am (midnight) | 8pm | 10am | 1am |
1am | 2pm | 1am | 9pm | 11am | 2am |
2am | 3pm | 2am | 10pm | 12pm (noon) | 3am |
3am | 4pm | 3am | 11pm | 1pm | 4am |
4am | 5pm | 4am | 12am (midnight) | 2pm | 5am |
5am | 6pm | 5am | 1am | 3pm | 6am |
6am | 7pm | 6am | 2am | 4pm | 7am |
7am | 8pm | 7am | 3am | 5pm | 8am |
8am | 9pm | 8am | 4am | 6pm | 9am |
9am | 10pm | 9am | 5am | 7pm | 10am |
10am | 11pm | 10am | 6am | 8pm | 11am |
11am | 12am (midnight) | 11am | 7am | 9pm | 12pm (noon) |
12pm (noon) | 1am | 12pm (noon) | 8am | 10pm | 1pm |
1pm | 2am | 1pm | 9am | 11pm | 2pm |
2pm | 3am | 2pm | 10am | 12am (midnight) | 3pm |
3pm | 4am | 3pm | 11am | 1am | 4pm |
4pm | 5am | 4pm | 12pm (noon) | 2am | 5pm |
5pm | 6am | 5pm | 1pm | 3am | 6pm |
6pm | 7am | 6pm | 2pm | 4am | 7pm |
7pm | 8am | 7pm | 3pm | 5am | 8pm |
8pm | 9am | 8pm | 4pm | 6am | 9pm |
9pm | 10am | 9pm | 5pm | 7am | 10pm |
10pm | 11am | 10pm | 6pm | 8am | 11pm |
11pm | 12pm (noon) | 11pm | 7pm | 9am | 12am (midnight) |
0:00 | 13:00 | 0:00 | 20:00 | 10:00 | 1:00 |
1:00 | 14:00 | 1:00 | 21:00 | 11:00 | 2:00 |
2:00 | 15:00 | 2:00 | 22:00 | 12:00 | 3:00 |
3:00 | 16:00 | 3:00 | 23:00 | 13:00 | 4:00 |
4:00 | 17:00 | 4:00 | 0:00 | 14:00 | 5:00 |
5:00 | 18:00 | 5:00 | 1:00 | 15:00 | 6:00 |
6:00 | 19:00 | 6:00 | 2:00 | 16:00 | 7:00 |
7:00 | 20:00 | 7:00 | 3:00 | 17:00 | 8:00 |
8:00 | 21:00 | 8:00 | 4:00 | 18:00 | 9:00 |
9:00 | 22:00 | 9:00 | 5:00 | 19:00 | 10:00 |
10:00 | 23:00 | 10:00 | 6:00 | 20:00 | 11:00 |
11:00 | 0:00 | 11:00 | 7:00 | 21:00 | 12:00 |
12:00 | 1:00 | 12:00 | 8:00 | 22:00 | 13:00 |
13:00 | 2:00 | 13:00 | 9:00 | 23:00 | 14:00 |
14:00 | 3:00 | 14:00 | 10:00 | 0:00 | 15:00 |
15:00 | 4:00 | 15:00 | 11:00 | 1:00 | 16:00 |
16:00 | 5:00 | 16:00 | 12:00 | 2:00 | 17:00 |
17:00 | 6:00 | 17:00 | 13:00 | 3:00 | 18:00 |
18:00 | 7:00 | 18:00 | 14:00 | 4:00 | 19:00 |
19:00 | 8:00 | 19:00 | 15:00 | 5:00 | 20:00 |
20:00 | 9:00 | 20:00 | 16:00 | 6:00 | 21:00 |
21:00 | 10:00 | 21:00 | 17:00 | 7:00 | 22:00 |
22:00 | 11:00 | 22:00 | 18:00 | 8:00 | 23:00 |
23:00 | 12:00 | 23:00 | 19:00 | 9:00 | 0:00 |
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
- 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 zero hour and zero minutes time differences of the zero meridian.
- 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
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT+06:00 - UTC +6
- GMT - UTC +0
- GMT+11:00 - UTC +11
- 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
New Zealand Daylight Time
Offset: NZDT is 13 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: Antarctica, New Zealand
Principal Cities: The largest city in the NZDT timezone is Auckland from New Zealand with population about 1.535 million people. Other major cities in the area are Wellington, Christchurch, Hamilton, Tauranga
Daylight Saving: New Zealand Daylight Time (NZDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe New Zealand Standard Time (NZST).
Start: New Zealand Daylight Time (NZDT) started on Sunday, September 24, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, September 24, 2023, 3:00 am. Daylight saving starts annually the on last Sunday of September
End: New Zealand Daylight Time (NZDT) ends on Sunday, April 7, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, April 7, 2024, 2:00 am local standard time instead. Daylight saving ends annually the on first Sunday of April
NZDT representations, usage and related time zones
- +13 - basic short
- +1300 - basic
- +13:00 - extended
- +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates thirteen hour and zero minutes time differences to the east of the zero meridian.
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- FJST - Fiji Summer Time
- NZDT - New Zealand Daylight Time
- PHOT - Phoenix Island Time
- TKT - Tokelau Time
- TOT - Tonga Time
- WST - West Samoa Time
- WSST - West Samoa Standard Time
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier
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.
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- Brasilia Standard Time - UTC -3
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
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 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 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 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 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
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra
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 Australian Eastern Daylight Time (AEDT).
End: Australian Eastern Standard Time (AEST) has ended on Sunday, October 1, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, October 1, 2023, 3:00 am local daylight time instead. Standard time ends annually the on first Sunday of October.
Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 7, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, April 7, 2024, 2:00 am. Standard time starts annually the on first Sunday of April.
Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra
Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.
AEST representations, usage and related time zones
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the east of the zero meridian.
- Kilo - Military abbreviation for AEST
- K - short form of 'Kilo'
- Antarctica/Macquarie
- Australia/ACT
- Australia/Brisbane
- Australia/Canberra
- Australia/Currie
- Australia/Hobart
- Australia/Lindeman
- Australia/Melbourne
- Australia/NSW
- Australia/Queensland
- Australia/Sydney
- Australia/Tasmania
- Australia/Victoria
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
Start: Central European Time (CET) started on Sunday, October 29, 2023 at 3:00 am local time and clocks were set one hour back to Sunday, October 29, 2023, 2:00 am. Standard time starts annually the on last Sunday of October.
End: Central European Time (CET) ends on Sunday, March 31, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, March 31, 2024, 3:00 am local daylight time instead. Standard time starts annually the on last Sunday of March.
CET representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- Poland
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time