IST
India Standard Time
GMT +5:30
PST/PDT
Pacific Standard Time
GMT -8
PDT automatically adjusted to PST time zone, that is in use
SGT
Singapore Time
GMT +8
CET
Central European Time
GMT +1
EST/EDT
Eastern Standard Time
GMT -5
EDT automatically adjusted to EST time zone, that is in use
UTC
Universal Time Coordinated
GMT +0

Time Difference

India Standard Time is 13 hours and 30 minutes ahead of Pacific Standard Time and 2 hours and 30 minutes behind Singapore Time and 4 hours and 30 minutes ahead of Central European Time and 10 hours and 30 minutes ahead of Eastern Standard Time and 5 hours and 30 minutes ahead of Universal Time Coordinated
7:30 pm19:30 in IST is 6:00 am06:00 in PST and is 10:00 pm22:00 in SGT and is 3:00 pm15:00 in CET and is 9:00 am09:00 in EST and is 2:00 pm14:00 in UTC

IST to PDT call time
Best time for a conference call or a meeting is between 7pm-9pm in IST which corresponds to 6:30am-8:30am in PDT
IST to SGT call time
Best time for a conference call or a meeting is between 8am-3:30pm in IST which corresponds to 10:30am-6pm in SGT
IST to CET call time
Best time for a conference call or a meeting is between 12:30pm-6pm in IST which corresponds to 8am-1:30pm in CET
IST to EDT call time
Best time for a conference call or a meeting is between 5:30pm-7:30pm in IST which corresponds to 8am-10am in EDT
IST to UTC call time
Best time for a conference call or a meeting is between 1:30pm-6pm in IST which corresponds to 8am-12:30pm in UTC

7:30 pm19:30 India Standard Time (IST). Offset UTC +5:30 hours
6:00 am06:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
10:00 pm22:00 Singapore Time (SGT). Offset UTC +8:00 hours
3:00 pm15:00 Central European Time (CET). Offset UTC +1:00 hour
9:00 am09:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
2:00 pm14:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours

7:30 pm19:30 IST / 6:00 am06:00 PST / 10:00 pm22:00 SGT / 3:00 pm15:00 CET / 9:00 am09:00 EST / 2:00 pm14:00 UTC

IST PST SGT CET EST UTC
12am (midnight) 10:30 am 2:30 am 7:30 pm 1:30 pm 6:30 pm
1am 11:30 am 3:30 am 8:30 pm 2:30 pm 7:30 pm
2am 12:30 pm 4:30 am 9:30 pm 3:30 pm 8:30 pm
3am 1:30 pm 5:30 am 10:30 pm 4:30 pm 9:30 pm
4am 2:30 pm 6:30 am 11:30 pm 5:30 pm 10:30 pm
5am 3:30 pm 7:30 am 12:30 am 6:30 pm 11:30 pm
6am 4:30 pm 8:30 am 1:30 am 7:30 pm 12:30 am
7am 5:30 pm 9:30 am 2:30 am 8:30 pm 1:30 am
8am 6:30 pm 10:30 am 3:30 am 9:30 pm 2:30 am
9am 7:30 pm 11:30 am 4:30 am 10:30 pm 3:30 am
10am 8:30 pm 12:30 pm 5:30 am 11:30 pm 4:30 am
11am 9:30 pm 1:30 pm 6:30 am 12:30 am 5:30 am
12pm (noon) 10:30 pm 2:30 pm 7:30 am 1:30 am 6:30 am
1pm 11:30 pm 3:30 pm 8:30 am 2:30 am 7:30 am
2pm 12:30 am 4:30 pm 9:30 am 3:30 am 8:30 am
3pm 1:30 am 5:30 pm 10:30 am 4:30 am 9:30 am
4pm 2:30 am 6:30 pm 11:30 am 5:30 am 10:30 am
5pm 3:30 am 7:30 pm 12:30 pm 6:30 am 11:30 am
6pm 4:30 am 8:30 pm 1:30 pm 7:30 am 12:30 pm
7pm 5:30 am 9:30 pm 2:30 pm 8:30 am 1:30 pm
8pm 6:30 am 10:30 pm 3:30 pm 9:30 am 2:30 pm
9pm 7:30 am 11:30 pm 4:30 pm 10:30 am 3:30 pm
10pm 8:30 am 12:30 am 5:30 pm 11:30 am 4:30 pm
11pm 9:30 am 1:30 am 6:30 pm 12:30 pm 5:30 pm
0:00 10:30 2:30 19:30 13:30 18:30
1:00 11:30 3:30 20:30 14:30 19:30
2:00 12:30 4:30 21:30 15:30 20:30
3:00 13:30 5:30 22:30 16:30 21:30
4:00 14:30 6:30 23:30 17:30 22:30
5:00 15:30 7:30 0:30 18:30 23:30
6:00 16:30 8:30 1:30 19:30 0:30
7:00 17:30 9:30 2:30 20:30 1:30
8:00 18:30 10:30 3:30 21:30 2:30
9:00 19:30 11:30 4:30 22:30 3:30
10:00 20:30 12:30 5:30 23:30 4:30
11:00 21:30 13:30 6:30 0:30 5:30
12:00 22:30 14:30 7:30 1:30 6:30
13:00 23:30 15:30 8:30 2:30 7:30
14:00 0:30 16:30 9:30 3:30 8:30
15:00 1:30 17:30 10:30 4:30 9:30
16:00 2:30 18:30 11:30 5:30 10:30
17:00 3:30 19:30 12:30 6:30 11:30
18:00 4:30 20:30 13:30 7:30 12:30
19:00 5:30 21:30 14:30 8:30 13:30
20:00 6:30 22:30 15:30 9:30 14:30
21:00 7:30 23:30 16:30 10:30 15:30
22:00 8:30 0:30 17:30 11:30 16:30
23:00 9:30 1:30 18:30 12:30 17:30

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 Time Zone Geo Map
IST timezone map

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
  • Irkutsk Standard Time - UTC +8

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Mexico, United States

Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Pacific Standard Time (PST).

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Pacific Daylight Time (PDT) has ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Pacific Daylight Time (PDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually the on second Sunday of March

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven 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
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone

Singapore Time

Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

SGT Time Zone Geo Map
SGT timezone map

SGT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight 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
  • Hotel - Military abbreviation for SGT
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian 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

CET Time Zone Geo Map
CET timezone map

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).

Daylight saving time clock moves back for one hour from 3am to 2amStart: 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 the on last Sunday of October.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: 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 starts annually the on last Sunday of March.

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
  • MET
  • 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

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States

Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

EDT Time Zone Geo Map
EDT timezone map

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Eastern Standard Time (EST).

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Eastern Daylight Time (EDT) has ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Eastern Daylight Time (EDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually the on second Sunday of March

EDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four 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
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
Time zones with the GMT -4 offset:
  • 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

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