UTC to IST Europe to WEST to CET to EET
IST is not used on this date
This converter uses GMT (GMT +0), the offset Dublin uses on this date. Open the GMT converter.WEST is not used on this date
This converter keeps WEST at GMT +1. Lisbon uses WET (GMT +0) on this date. Open the WET converter, or choose Lisbon, Las Palmas de Gran Canaria, or Porto for city-specific time.Compare UTC time with IST, WEST, CET, and EET time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Universal Time Coordinated is 0 hours ahead of Greenwich Mean Time and 1 hour behind Western European Summer Time and 1 hour behind Central European Time and 2 hours behind Eastern European Time
12:00 pm12:00 in UTC is 12:00 pm12:00 in GMT and is 1:00 pm13:00 in WEST and is 1:00 pm13:00 in CET and is 2:00 pm14:00 in EET
UTC to GMT call time
Best time for a conference call or a meeting is between 9am-5pm in UTC which corresponds to 9am-5pm in GMT
UTC to WEST call time
Best time for a conference call or a meeting is between 9am-4pm in UTC which corresponds to 10am-5pm in WEST
UTC to CET call time
Best time for a conference call or a meeting is between 9am-4pm in UTC which corresponds to 10am-5pm in CET
UTC to EET call time
Best time for a conference call or a meeting is between 9am-3pm in UTC which corresponds to 11am-5pm in EET
12:00 pm12:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 pm13:00 Western European Summer Time (WEST). Offset UTC +1:00 hour
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
2:00 pm14:00 Eastern European Time (EET). Offset UTC +2:00 hours
12:00 pm12:00 UTC / 12:00 pm12:00 GMT / 1:00 pm13:00 WEST / 1:00 pm13:00 CET / 2:00 pm14:00 EET
| UTC | GMT | WEST | CET | EET |
|---|---|---|---|---|
| 12am (midnight) | 12am (midnight) | 1am | 1am | 2am |
| 1am | 1am | 2am | 2am | 3am |
| 2am | 2am | 3am | 3am | 4am |
| 3am | 3am | 4am | 4am | 5am |
| 4am | 4am | 5am | 5am | 6am |
| 5am | 5am | 6am | 6am | 7am |
| 6am | 6am | 7am | 7am | 8am |
| 7am | 7am | 8am | 8am | 9am |
| 8am | 8am | 9am | 9am | 10am |
| 9am | 9am | 10am | 10am | 11am |
| 10am | 10am | 11am | 11am | 12pm (noon) |
| 11am | 11am | 12pm (noon) | 12pm (noon) | 1pm |
| 12pm (noon) | 12pm (noon) | 1pm | 1pm | 2pm |
| 1pm | 1pm | 2pm | 2pm | 3pm |
| 2pm | 2pm | 3pm | 3pm | 4pm |
| 3pm | 3pm | 4pm | 4pm | 5pm |
| 4pm | 4pm | 5pm | 5pm | 6pm |
| 5pm | 5pm | 6pm | 6pm | 7pm |
| 6pm | 6pm | 7pm | 7pm | 8pm |
| 7pm | 7pm | 8pm | 8pm | 9pm |
| 8pm | 8pm | 9pm | 9pm | 10pm |
| 9pm | 9pm | 10pm | 10pm | 11pm |
| 10pm | 10pm | 11pm | 11pm | 12am (midnight) |
| 11pm | 11pm | 12am (midnight) | 12am (midnight) | 1am |
| 00:00 | 00:00 | 01:00 | 01:00 | 02:00 |
| 01:00 | 01:00 | 02:00 | 02:00 | 03:00 |
| 02:00 | 02:00 | 03:00 | 03:00 | 04:00 |
| 03:00 | 03:00 | 04:00 | 04:00 | 05:00 |
| 04:00 | 04:00 | 05:00 | 05:00 | 06:00 |
| 05:00 | 05:00 | 06:00 | 06:00 | 07:00 |
| 06:00 | 06:00 | 07:00 | 07:00 | 08:00 |
| 07:00 | 07:00 | 08:00 | 08:00 | 09:00 |
| 08:00 | 08:00 | 09:00 | 09:00 | 10:00 |
| 09:00 | 09:00 | 10:00 | 10:00 | 11:00 |
| 10:00 | 10:00 | 11:00 | 11:00 | 12:00 |
| 11:00 | 11:00 | 12:00 | 12:00 | 13:00 |
| 12:00 | 12:00 | 13:00 | 13:00 | 14:00 |
| 13:00 | 13:00 | 14:00 | 14:00 | 15:00 |
| 14:00 | 14:00 | 15:00 | 15:00 | 16:00 |
| 15:00 | 15:00 | 16:00 | 16:00 | 17:00 |
| 16:00 | 16:00 | 17:00 | 17:00 | 18:00 |
| 17:00 | 17:00 | 18:00 | 18:00 | 19:00 |
| 18:00 | 18:00 | 19:00 | 19:00 | 20:00 |
| 19:00 | 19:00 | 20:00 | 20:00 | 21:00 |
| 20:00 | 20:00 | 21:00 | 21:00 | 22:00 |
| 21:00 | 21:00 | 22:00 | 22:00 | 23:00 |
| 22:00 | 22:00 | 23:00 | 23:00 | 00:00 |
| 23:00 | 23:00 | 00:00 | 00:00 | 01:00 |
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC 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 UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- 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
Irish Standard Time
Offset: IST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Ireland
Principal Cities: The largest city in the IST time zone is Dublin in Ireland, with about 1.024 million people. Other major cities in this time zone include Cork, Dun Laoghaire, Luimneach, Gaillimh.
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.
IST 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 an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for IST
- A - short form of 'Alpha'
- Eire
- Europe/Dublin
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- 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
Western European Summer Time
Offset: WEST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Spain, Faroe Islands, Portugal
Principal Cities: The largest city in the WEST time zone is Lisbon in Portugal, with about 517,802 people. Other major cities in this time zone include Las Palmas de Gran Canaria, Porto, Santa Cruz de Tenerife, Amadora.
German: WESZ - Westeuropäische Sommerzeit
Daylight Saving: Western European Summer Time (WEST) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Western European Time (WET).
End: Western European Summer Time (WEST) ended on Sunday, October 26, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the last Sunday of October
Start: Western European Summer Time (WEST) starts on Sunday, March 29, 2026 at 1:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 2:00 am. Daylight saving starts annually on the last Sunday of March
WEST 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 an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for WEST
- A - short form of 'Alpha'
- Atlantic/Canary
- Atlantic/Faeroe
- Atlantic/Faroe
- Atlantic/Madeira
- Europe/Lisbon
- Portugal
- WET
- 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
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: 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 time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Algiers.
German: MEZ - Mitteleuropäische Zeit
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).
Start: Central European Time (CET) started on Sunday, October 26, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 2:00 am. Standard time starts annually on the last Sunday of October.
End: Central European Time (CET) ends on Sunday, March 29, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 3:00 am local daylight time instead. Standard time ends annually on the 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 an offset of one hour 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
- MET
- 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
Eastern European Time
Offset: EET is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Åland Islands, Bulgaria, Cyprus, Estonia, Egypt, Finland, Greece, Lebanon, Lithuania, Latvia, Libya, Moldova, Palestine, Romania, Russia, Ukraine
Principal Cities: The largest city in the EET time zone is Cairo in Egypt, with about 7.735 million people. Other major cities in this time zone include Alexandria, Kiev, Al Jizah, Beirut.
German: OEZ - Osteuropäische Zeit
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern European Summer Time (EEST).
Start: Eastern European Time (EET) started on Sunday, October 26, 2025 at 4:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 3:00 am. Standard time starts annually on the last Sunday of October.
End: Eastern European Time (EET) ends on Sunday, March 29, 2026 at 3:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 4:00 am local daylight time instead. Standard time ends annually on the last Sunday of March.
EET representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
- Bravo - Military abbreviation for EET
- B - short form of 'Bravo'
- Africa/Cairo
- Africa/Tripoli
- Asia/Beirut
- Asia/Famagusta
- Asia/Gaza
- Asia/Hebron
- Asia/Nicosia
- EET
- Egypt
- Europe/Athens
- Europe/Bucharest
- Europe/Chisinau
- Europe/Helsinki
- Europe/Kaliningrad
- Europe/Kiev
- Europe/Kyiv
- Europe/Mariehamn
- Europe/Nicosia
- Europe/Riga
- Europe/Sofia
- Europe/Tallinn
- Europe/Tiraspol
- Europe/Uzhgorod
- Europe/Vilnius
- Europe/Zaporozhye
- Libya
- CEST - Central European Summer Time
- EET - Eastern European Time
- MESZ - Mitteleuropäische Sommerzeit
- B - Bravo Time Zone
- CAT - Central Africa Time
- IST - Israel Standard Time
- SAST - South Africa Standard Time
- WAST - West Africa Summer Time