Iran
IDT
AST
Azores Summer Time
GMT +0

Time Difference

IDT (Iran Daylight Time) is 4 hours and 30 minutes ahead of Azores Summer Time
5:30 am05:30 in Tehran, Iran is 1:00 am01:00 in AST

Tehran to AST call time
Best time for a conference call or a meeting is between 12:30pm-6pm in Tehran which corresponds to 8am-1:30pm in AST

5:30 am05:30 IDT (Iran Daylight Time) (Tehran, Iran). Offset UTC +4:30 hours
1:00 am01:00 Azores Summer Time (AST). Offset UTC 0:00 hours

5:30 am05:30 Tehran, Iran / 1:00 am01:00 AST

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

Tehran Information

Time Zone

Abbreviation / Name
IDT - Iran Daylight Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+4:30 hours during Iran Daylight Time, currently in use.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
0:00 hours - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 12am to 1am March 22 at 00:00 local time. DST starts annually on the same date and time.. Clocks are turned forward 0 hour to Wednesday, March 22, 2023, 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 September 21 at 00:00 local time. DST ends annually on the same date and time.. Clocks are turned backward 0 hour to Thursday, September 21, 2023, 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

Azores Summer Time

Offset: AST is 0 hours ahead Greenwich Mean Time (GMT) and is used in Atlantic

AST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for AST
  • Z - short form of 'Zulu'
AST Abbreviation: Several time zones share AST abbreviation and it could refer to these time zones
  • Atlantic Standard Time - UTC -4
  • Arabia Standard Time - UTC +3
  • Argentina Standard Time - UTC -3
  • Arabian Standard Time - UTC +3
  • Apia Standard Time - UTC +13
  • Azores Summer Time - UTC +0
Time zones with the GMT +0 offset:
  • 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