PT
Pacific Time
GMT -8
IST
India Standard Time
GMT +5:30
UTC
Universal Time Coordinated
GMT +0

Time Difference

Pacific Time is 13 hours and 30 minutes behind India Standard Time and 8 hours behind Universal Time Coordinated
10:00 am10:00 in PT is 11:30 pm23:30 in IST and is 6:00 pm18:00 in UTC

PT to IST call time
Best time for a conference call or a meeting is between 6am-8am in PT which corresponds to 7:30pm-9:30pm in IST
PT to UTC call time
Best time for a conference call or a meeting is between 8am-10am in PT which corresponds to 4pm-6pm in UTC

10:00 am10:00 Pacific Time (PT). Offset UTC -8:00 hours
11:30 pm23:30 India Standard Time (IST). Offset UTC +5:30 hours
6:00 pm18:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours

10:00 am10:00 PT / 11:30 pm23:30 IST / 6:00 pm18:00 UTC

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

Pacific Time

Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.

Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.

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

Principal Cities: The largest city in the PST 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: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.

Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.

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

Principal Cities: The largest city in the PST 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: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

PT 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 west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PT
  • U - short form of 'Uniform'
PT Abbreviation: Several time zones share PT abbreviation and it could refer to these time zones
  • Pacific Time - UTC -8
  • Palau Time - UTC +9
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform 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

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