IRST
Iran Standard Time
GMT +3:30
+03
GMT +3

Time Difference

Iran Standard Time is 0 hours and 30 minutes ahead of
8:00 am08:00 in IRST is 7:30 am07:30 in +03

IRST to +03 call time
Best time for a conference call or a meeting is between 8:30am-6pm in IRST which corresponds to 8am-5:30pm in +03

8:00 am08:00 Iran Standard Time (IRST). Offset UTC +3:30 hours
7:30 am07:30 (+03). Offset UTC +3:00 hours

8:00 am08:00 IRST / 7:30 am07:30 +03

IRST +03
12am (midnight) 11:30 pm
1am 12:30 am
2am 1:30 am
3am 2:30 am
4am 3:30 am
5am 4:30 am
6am 5:30 am
7am 6:30 am
8am 7:30 am
9am 8:30 am
10am 9:30 am
11am 10:30 am
12pm (noon) 11:30 am
1pm 12:30 pm
2pm 1:30 pm
3pm 2:30 pm
4pm 3:30 pm
5pm 4:30 pm
6pm 5:30 pm
7pm 6:30 pm
8pm 7:30 pm
9pm 8:30 pm
10pm 9:30 pm
11pm 10:30 pm
0:00 23:30
1:00 0:30
2:00 1:30
3:00 2:30
4:00 3:30
5:00 4:30
6:00 5:30
7:00 6:30
8:00 7:30
9:00 8:30
10:00 9:30
11:00 10:30
12:00 11:30
13:00 12:30
14:00 13:30
15:00 14:30
16:00 15:30
17:00 16:30
18:00 17:30
19:00 18:30
20:00 19:30
21:00 20:30
22:00 21:30
23:00 22:30

Iran Standard Time

Offset: IRST is 3 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

IRST Time Zone Geo Map
IRST timezone map

IRST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0330 - basic
  • +03:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.

+03

Offset: +03 is 3 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Antarctica, Bahrain, Belarus, Iraq, Kuwait, Qatar, Russia, Saudi Arabia, Turkey, Yemen

Principal Cities: The largest city in the +03 timezone is Istanbul from Turkey with population about 11.174 million people. Other major cities in the area are Baghdad, Riyadh, Ankara, Jeddah

Daylight Saving: (+03) is not adjusted for daylight saving therefore +03 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, remains the same

+03 representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +03 - basic short
  • +0300 - basic
  • +03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Charlie - Military abbreviation for +03
  • C - short form of 'Charlie'
IANA/Olson: Reflects +03 time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/Syowa
  • Asia/Aden
  • Asia/Baghdad
  • Asia/Bahrain
  • Asia/Istanbul
  • Asia/Kuwait
  • Asia/Qatar
  • Asia/Riyadh
  • Etc/GMT-3
  • Europe/Istanbul
  • Europe/Kirov
  • Europe/Minsk
  • Europe/Volgograd
  • Turkey
Time zones with the GMT +3 offset:
  • EEST - Eastern European Summer Time
  • MSK - Moscow Standard Time
  • AST - Arabia Standard Time
  • C - Charlie Time Zone
  • EAT - Eastern Africa Time
  • FET - Further Eastern European Time
  • IDT - Israel Daylight Time
  • TRT - Turkey Time