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UTC
Universal Time Coordinated
IST
India Standard Time
GMT +5:30
CEST/CET
Central European Summer Time
GMT +2
CET automatically adjusted to CEST time zone, that is in use
ART
Argentina Time
GMT -3
Time Difference
Universal Time Coordinated is 5 hours and 30 minutes behind India Standard Time and 2 hours behind Central European Summer Time and 3 hours ahead of Argentina Time
10:00 pm22:00 in UTC is 3:30 am03:30 in IST and is 12:00 am00:00 in CEST and is 7:00 pm19:00 in ART
UTC to IST call time
Best time for a conference call or a meeting is between 8am-12:30pm in UTC which corresponds to 1:30pm-6pm in IST
UTC to CET call time
Best time for a conference call or a meeting is between 8am-5pm in UTC which corresponds to 9am-6pm in CET
UTC to ART call time
Best time for a conference call or a meeting is between 11am-6pm in UTC which corresponds to 8am-3pm in ART
10:00 pm22:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
3:30 am03:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 am00:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
7:00 pm19:00 Argentina Time (ART). Offset UTC -3:00 hours
10:00 pm22:00 UTC / 3:30 am03:30 IST / 12:00 am00:00 CEST / 7:00 pm19:00 ART
| UTC | IST | CEST | ART |
|---|---|---|---|
| 12am (midnight) | 5:30 am | 2am | 9pm |
| 1am | 6:30 am | 3am | 10pm |
| 2am | 7:30 am | 4am | 11pm |
| 3am | 8:30 am | 5am | 12am (midnight) |
| 4am | 9:30 am | 6am | 1am |
| 5am | 10:30 am | 7am | 2am |
| 6am | 11:30 am | 8am | 3am |
| 7am | 12:30 pm | 9am | 4am |
| 8am | 1:30 pm | 10am | 5am |
| 9am | 2:30 pm | 11am | 6am |
| 10am | 3:30 pm | 12pm (noon) | 7am |
| 11am | 4:30 pm | 1pm | 8am |
| 12pm (noon) | 5:30 pm | 2pm | 9am |
| 1pm | 6:30 pm | 3pm | 10am |
| 2pm | 7:30 pm | 4pm | 11am |
| 3pm | 8:30 pm | 5pm | 12pm (noon) |
| 4pm | 9:30 pm | 6pm | 1pm |
| 5pm | 10:30 pm | 7pm | 2pm |
| 6pm | 11:30 pm | 8pm | 3pm |
| 7pm | 12:30 am | 9pm | 4pm |
| 8pm | 1:30 am | 10pm | 5pm |
| 9pm | 2:30 am | 11pm | 6pm |
| 10pm | 3:30 am | 12am (midnight) | 7pm |
| 11pm | 4:30 am | 1am | 8pm |
| 0:00 | 5:30 | 2:00 | 21:00 |
| 1:00 | 6:30 | 3:00 | 22:00 |
| 2:00 | 7:30 | 4:00 | 23:00 |
| 3:00 | 8:30 | 5:00 | 0:00 |
| 4:00 | 9:30 | 6:00 | 1:00 |
| 5:00 | 10:30 | 7:00 | 2:00 |
| 6:00 | 11:30 | 8:00 | 3:00 |
| 7:00 | 12:30 | 9:00 | 4:00 |
| 8:00 | 13:30 | 10:00 | 5:00 |
| 9:00 | 14:30 | 11:00 | 6:00 |
| 10:00 | 15:30 | 12:00 | 7:00 |
| 11:00 | 16:30 | 13:00 | 8:00 |
| 12:00 | 17:30 | 14:00 | 9:00 |
| 13:00 | 18:30 | 15:00 | 10:00 |
| 14:00 | 19:30 | 16:00 | 11:00 |
| 15:00 | 20:30 | 17:00 | 12:00 |
| 16:00 | 21:30 | 18:00 | 13:00 |
| 17:00 | 22:30 | 19:00 | 14:00 |
| 18:00 | 23:30 | 20:00 | 15:00 |
| 19:00 | 0:30 | 21:00 | 16:00 |
| 20:00 | 1:30 | 22:00 | 17:00 |
| 21:00 | 2:30 | 23:00 | 18:00 |
| 22:00 | 3:30 | 0:00 | 19:00 |
| 23:00 | 4:30 | 1:00 | 20:00 |
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
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 UTC
- Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
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
- Iran Standard Time - UTC +3:30
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 time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 31, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 27, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +01 - basic short
- +0100 - basic
- +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +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.
Military/NATO: Used by the U.S. military, Chinese military and others
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- 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
Time zones with the GMT +1 offset:
- 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
Argentina Time
Offset: ART is 3 hours behind Greenwich Mean Time (GMT) and is used in South America
ART representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -03 - basic short
- -0300 - basic
- -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three 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
- Papa - Military abbreviation for ART
- P - short form of 'Papa'
Time zones with the GMT -3 offset:
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- WGT - West Greenland Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - BrasÃlia time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- SRT - Suriname Time
- UYT - Uruguay Time
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
