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

Time Difference

Pacific Standard Time is 13 hours and 30 minutes behind India Standard Time and 9 hours behind Central European Time and 8 hours behind Universal Time Coordinated
8:00 am08:00 in PST is 9:30 pm21:30 in IST and is 5:00 pm17:00 in CET and is 4:00 pm16:00 in UTC

PDT to IST call time
Best time for a conference call or a meeting is between 6:30am-8:30am in PDT which corresponds to 7pm-9pm in IST
PDT to CEST call time
Best time for a conference call or a meeting is between 8am-10am in PDT which corresponds to 5pm-7pm in CEST
PDT to UTC call time
Best time for a conference call or a meeting is between 8am-11am in PDT which corresponds to 3pm-6pm in UTC

8:00 am08:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
9:30 pm21:30 India Standard Time (IST). Offset UTC +5:30 hours
5:00 pm17:00 Central European Time (CET). Offset UTC +1:00 hour
4:00 pm16:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours

8:00 am08:00 PST / 9:30 pm21:30 IST / 5:00 pm17:00 CET / 4:00 pm16:00 UTC

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

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

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
  • Iran Standard Time - UTC +3:30

Central European Summer Time

Offset: CEST is 2 hours 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, 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, Vatican City

Principal Cities: The largest city in the CEST timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Budapest

German: MESZ - Mitteleuropäische Sommerzeit

CEST Time Zone Geo Map
CEST timezone map

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Central European Time (CET).

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Central European Summer Time (CEST) has ended 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 local standard time instead. Daylight saving ends annually the on last Sunday of October

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Central European Summer Time (CEST) starts 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. Daylight saving starts annually the on last Sunday of March

CEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two 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
  • Bravo - Military abbreviation for CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • 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 +2 offset:
  • 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

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