UTC to PDT to IST
Time Difference
Universal Time Coordinated is 8 hours ahead of Pacific Standard Time and 5 hours and 30 minutes behind India Standard Time
3:30 pm15:30 in UTC is 7:30 am07:30 in PST and is 9:00 pm21:00 in IST
UTC to PDT call time
Best time for a conference call or a meeting is between 3pm-6pm in UTC which corresponds to 8am-11am in PDT
UTC to IST call time
Best time for a conference call or a meeting is between 8am-12:30pm in UTC which corresponds to 1:30pm-6pm in IST
3:30 pm15:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
7:30 am07:30 Pacific Standard Time (PST). Offset UTC -8:00 hours
9:00 pm21:00 India Standard Time (IST). Offset UTC +5:30 hours
3:30 pm15:30 UTC / 7:30 am07:30 PST / 9:00 pm21:00 IST
| UTC | PST | IST |
|---|---|---|
| 12am (midnight) | 4pm | 5:30 am |
| 1am | 5pm | 6:30 am |
| 2am | 6pm | 7:30 am |
| 3am | 7pm | 8:30 am |
| 4am | 8pm | 9:30 am |
| 5am | 9pm | 10:30 am |
| 6am | 10pm | 11:30 am |
| 7am | 11pm | 12:30 pm |
| 8am | 12am (midnight) | 1:30 pm |
| 9am | 1am | 2:30 pm |
| 10am | 2am | 3:30 pm |
| 11am | 3am | 4:30 pm |
| 12pm (noon) | 4am | 5:30 pm |
| 1pm | 5am | 6:30 pm |
| 2pm | 6am | 7:30 pm |
| 3pm | 7am | 8:30 pm |
| 4pm | 8am | 9:30 pm |
| 5pm | 9am | 10:30 pm |
| 6pm | 10am | 11:30 pm |
| 7pm | 11am | 12:30 am |
| 8pm | 12pm (noon) | 1:30 am |
| 9pm | 1pm | 2:30 am |
| 10pm | 2pm | 3:30 am |
| 11pm | 3pm | 4:30 am |
| 0:00 | 16:00 | 5:30 |
| 1:00 | 17:00 | 6:30 |
| 2:00 | 18:00 | 7:30 |
| 3:00 | 19:00 | 8:30 |
| 4:00 | 20:00 | 9:30 |
| 5:00 | 21:00 | 10:30 |
| 6:00 | 22:00 | 11:30 |
| 7:00 | 23:00 | 12:30 |
| 8:00 | 0:00 | 13:30 |
| 9:00 | 1:00 | 14:30 |
| 10:00 | 2:00 | 15:30 |
| 11:00 | 3:00 | 16:30 |
| 12:00 | 4:00 | 17:30 |
| 13:00 | 5:00 | 18:30 |
| 14:00 | 6:00 | 19:30 |
| 15:00 | 7:00 | 20:30 |
| 16:00 | 8:00 | 21:30 |
| 17:00 | 9:00 | 22:30 |
| 18:00 | 10:00 | 23:30 |
| 19:00 | 11:00 | 0:30 |
| 20:00 | 12:00 | 1:30 |
| 21:00 | 13:00 | 2:30 |
| 22:00 | 14:00 | 3:30 |
| 23:00 | 15:00 | 4:30 |
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
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +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.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- 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
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
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).
End: 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
Start: 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
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -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.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- 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 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 five hour and thirty minutes time differences 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
- Irkutsk Standard Time - UTC +8