PST to IRST Converter
Time Difference
Pacific Daylight Time is 10 hours and 30 minutes behind Iran Standard Time
10:30 am10:30 in PDT is 9:00 pm21:00 in IRST
PST to IRST call time
Best time for a conference call or a meeting is between 7am-9am in PST which corresponds to 6:30pm-8:30pm in IRST
10:30 am10:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
9:00 pm21:00 Iran Standard Time (IRST). Offset UTC +3:30 hours
10:30 am10:30 PDT / 9:00 pm21:00 IRST
PDT | IRST |
---|---|
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 |
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
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
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 eight hour and zero minutes time differences 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
- Peru Standard Time - UTC -5
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Iran Standard Time
Offset: IRST is 3 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

IRST representations, usage and related time zones
- +0330 - basic
- +03:30 - extended
- +0330 - sign character (+) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the east of the zero meridian.