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IST
India Standard Time
GMT +5:30 h
PST
Pacific Standard Time
GMT -8:00 h

Time Difference

India Standard Time is 13 hours and 30 minutes ahead of Pacific Standard Time
So 5:23 AM05:23 in IST is 3:53 PM15:53 in PST

5:23 AM05:23 India Standard Time (IST). Offset UTC +5:30 hours
3:53 PM15:53 Pacific Standard Time (PST). Offset UTC -8:00 hours

5:23 AM05:23 IST / 3:53 PM15:53 PST

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

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/Colombo
  • Asia/Kolkata

IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones

  • India Standard Time - UTC +5:30 h
  • Irish Standard Time - UTC +1:00 h
  • Israel Standard Time - UTC +2:00 h


Pacific Standard Time

Offset: PST is 8 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 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

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 Pacific Daylight Time (PDT).

Start: PST starts annually the First Sunday of November at 2:00 AM local time and clocks were set one hour back on Sunday, November 4, 2018, at 2:00 (2:00 am) local time.

End: PST ends annually the Second Sunday of March at 2:00 AM local time and clocks are set one hour forward on Sunday, March 10, 2019, at 2:00 (2:00 am) local time.

French: HNP - Heure Normale du Pacifique

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

PST Time Zone Geo Map
PST timezone map
PST 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 PST
  • U - short form of 'Uniform'

IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Dawson
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • America/Whitehorse
  • Canada/Pacific
  • Canada/Yukon
  • Mexico/BajaNorte
  • PST8PDT
  • Pacific/Pitcairn
  • US/Pacific
  • US/Pacific-New

PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones

  • Pacific Standard Time - UTC -8:00 h
  • Pitcairn Standard Time - UTC -8:00 h

Time zones with the GMT -8:00 h offset:

  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • YDT - Yukon Daylight Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone