Iran
IST
PST
Pacific Standard Time
GMT -8

Time Difference

IST (Iran Standard Time) is 11 hours and 30 minutes ahead of Pacific Standard Time
11:30 am11:30 in Tehran, Iran is 12:00 am00:00 in PST

Tehran to PST call time
Best time for a conference call or a meeting is between 6:30pm-8:30pm in Tehran which corresponds to 7am-9am in PST

11:30 am11:30 IST (Iran Standard Time) (Tehran, Iran). Offset UTC +3:30 hours
12:00 am00:00 Pacific Standard Time (PST). Offset UTC -8:00 hours

11:30 am11:30 Tehran, Iran / 12:00 am00:00 PST

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

Tehran Information

Time Zone

Abbreviation / Name
IST - Iran Standard Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+3:30 hours during Iran Standard Time, currently in use.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 12am to 1am Monday, March 22, 2021 at 12:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Monday, March 22, 2021, 1:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 12am to 11pm Tuesday, September 21, 2021 at 12:00 am local time. DST ends annually the on third Sunday of September. Clocks are turned backward 1 hour to Tuesday, September 21, 2021, 11:00 pm local standard time instead. Also called Fall Back or switch to Winter Time.

Tehran Facts

Country
Iran
Alternative Names
THR, Taekhran, Tahran, Techerane, Teera, Teerao, Teerã, Teerão, Tegeran, Teheran, Teherana, Teheranas, Teherano, Teherán, Teherāna, Tehran, Tehrano, Tekheran, Téhéran, de hei lan, teharan, teharana, tehelan, teheran, tehran, teirani, thran, thrn, thrwn, tihiran, tihran, Τεχεράνη, Тæхран, Тегеран, Техеран, Теҳрон, Թեհրան, טהראן, טהרן, تهران, تهرون, تِهران, تِهِرَن, تہران, طهران, ܛܗܪܐܢ, तेहरान, তেহরান, தெஹ்ரான், เตหะราน, ཏེ་ཧི་རན​།, თეირანი, ቴህራን, テヘラン, 德黑兰, 테헤란
Population
7,153,309
Currency
Rial (IRR)
Geographic Coordinates
35° 41' N Latitude / 51° 25' E Longitude
International Dialing Code
+98

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

PST Time Zone Geo Map
PST timezone map

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).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Pacific Standard Time (PST) started on Sunday, November 7, 2021 at 2:00 am local time and clocks were set one hour back to Sunday, November 7, 2021, 1:00 am. Standard time starts annually the on first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Pacific Standard Time (PST) ends on Sunday, March 13, 2022 at 2:00 am local time and clocks are set one hour forward to Sunday, March 13, 2022, 3:00 am local daylight time instead. Standard time starts annually the on second Sunday of March.

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/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
  • Peru Standard Time - UTC -5
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