IST to PST to Ottawa, Canada
Compare IST time with PST and Ottawa time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 13 hours and 30 minutes ahead of Pacific Standard Time and 10 hours and 30 minutes ahead of EST (Eastern Standard Time)
5:30 pm17:30 in IST is 4:00 am04:00 in PST and is 7:00 am07:00 in Ottawa, Canada
IST to PST call time
Best time for a conference call or a meeting is between 7:30am-8:30am in IST which corresponds to 6pm-7pm in PST (previous day)
IST to Ottawa call time
Best time for a conference call or a meeting is between 6pm-7pm in IST which corresponds to 7:30am-8:30am in Ottawa
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
7:00 am07:00 EST (Eastern Standard Time) (Ottawa, Canada). Offset UTC -5:00 hours
5:30 pm17:30 IST / 4:00 am04:00 PST / 7:00 am07:00 Ottawa, Canada
| IST | PST | Ottawa, Canada |
|---|---|---|
| 12am (midnight) | 10:30 am | 1:30 pm |
| 1am | 11:30 am | 2:30 pm |
| 2am | 12:30 pm | 3:30 pm |
| 3am | 1:30 pm | 4:30 pm |
| 4am | 2:30 pm | 5:30 pm |
| 5am | 3:30 pm | 6:30 pm |
| 6am | 4:30 pm | 7:30 pm |
| 7am | 5:30 pm | 8:30 pm |
| 8am | 6:30 pm | 9:30 pm |
| 9am | 7:30 pm | 10:30 pm |
| 10am | 8:30 pm | 11:30 pm |
| 11am | 9:30 pm | 12:30 am |
| 12pm (noon) | 10:30 pm | 1:30 am |
| 1pm | 11:30 pm | 2:30 am |
| 2pm | 12:30 am | 3:30 am |
| 3pm | 1:30 am | 4:30 am |
| 4pm | 2:30 am | 5:30 am |
| 5pm | 3:30 am | 6:30 am |
| 6pm | 4:30 am | 7:30 am |
| 7pm | 5:30 am | 8:30 am |
| 8pm | 6:30 am | 9:30 am |
| 9pm | 7:30 am | 10:30 am |
| 10pm | 8:30 am | 11:30 am |
| 11pm | 9:30 am | 12:30 pm |
| 00:00 | 10:30 | 13:30 |
| 01:00 | 11:30 | 14:30 |
| 02:00 | 12:30 | 15:30 |
| 03:00 | 13:30 | 16:30 |
| 04:00 | 14:30 | 17:30 |
| 05:00 | 15:30 | 18:30 |
| 06:00 | 16:30 | 19:30 |
| 07:00 | 17:30 | 20:30 |
| 08:00 | 18:30 | 21:30 |
| 09:00 | 19:30 | 22:30 |
| 10:00 | 20:30 | 23:30 |
| 11:00 | 21:30 | 00:30 |
| 12:00 | 22:30 | 01:30 |
| 13:00 | 23:30 | 02:30 |
| 14:00 | 00:30 | 03:30 |
| 15:00 | 01:30 | 04:30 |
| 16:00 | 02:30 | 05:30 |
| 17:00 | 03:30 | 06:30 |
| 18:00 | 04:30 | 07:30 |
| 19:00 | 05:30 | 08:30 |
| 20:00 | 06:30 | 09:30 |
| 21:00 | 07:30 | 10:30 |
| 22:00 | 08:30 | 11:30 |
| 23:00 | 09:30 | 12:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
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, Bangalore, Kolkata, Chennai.
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.
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +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.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include Vancouver, Tijuana, San Diego, San Jose.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) started 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. Standard time starts annually on the first Sunday of November.
End: Pacific Standard Time (PST) ends 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 local daylight time instead. Standard time ends annually on the second Sunday of March.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -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.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Ottawa Information
Time Zone
EST - Eastern Standard Time
-5:00 hours during Eastern Standard Time.
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.