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PT/PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
UTC+5:30
12h 30m ahead
12am
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6am
9am
12pm
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9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 23, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 23, 2026

PDT is 12 hours and 30 minutes behind IST.

How the time difference changes

For most of the year, PT is 12 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, PT is 13 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 9:30 pm to 6:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 10:30 pm to 7:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 21:30 to 06:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 22:30 to 07:30 (next day) in IST.

Compare PT time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Daylight Time is 12 hours and 30 minutes behind India Standard Time.
5:00 am05:00 in PDT is 5:30 pm17:30 in IST

PDT to IST call time
Best time for a conference call or a meeting is between 7pm-8pm19:00-20:00 in PDT which corresponds to 7:30am-8:30am07:30-08:30 in IST (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

5:00 am05:00 PDT / 5:30 pm17:30 IST

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Hourly time comparison
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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 North America. 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 United States and the Northwestern part of Mexico. From November 1, 2026, most of British Columbia in Canada keeps UTC-7 all year instead.

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, 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 an offset of eight hours 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'
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 of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Current time in India: India time now

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 an offset of five hours and thirty minutes 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