IRST
Iran Standard Time
GMT +3:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
FET
Further Eastern European Time
GMT +3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

IRST is 30 minutes ahead of FET. IRST uses GMT +3:30, and FET uses GMT +3 for this comparison.

For example, 3:30 pm IRST is 3:00 pm FET. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 9:30am-5pm IRST, which is 9am-4:30pm FET.

Compare IRST time with FET time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Iran Standard Time is 0 hours and 30 minutes ahead of Further Eastern European Time
3:30 pm15:30 in IRST is 3:00 pm15:00 in FET

IRST to FET call time
Best time for a conference call or a meeting is between 9:30am-5pm in IRST which corresponds to 9am-4:30pm in FET

3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
3:00 pm15:00 Further Eastern European Time (FET). Offset UTC +3:00 hours

3:30 pm15:30 IRST / 3:00 pm15:00 FET

IRSTFET
12am (midnight)11:30 pm
1am12:30 am
2am1:30 am
3am2:30 am
4am3:30 am
5am4:30 am
6am5:30 am
7am6:30 am
8am7:30 am
9am8:30 am
10am9:30 am
11am10:30 am
12pm (noon)11:30 am
1pm12:30 pm
2pm1:30 pm
3pm2:30 pm
4pm3:30 pm
5pm4:30 pm
6pm5:30 pm
7pm6:30 pm
8pm7:30 pm
9pm8:30 pm
10pm9:30 pm
11pm10:30 pm
00:0023:30
01:0000:30
02:0001:30
03:0002:30
04:0003:30
05:0004:30
06:0005:30
07:0006:30
08:0007:30
09:0008:30
10:0009:30
11:0010:30
12:0011:30
13:0012:30
14:0013:30
15:0014:30
16:0015:30
17:0016:30
18:0017:30
19:0018:30
20:0019:30
21:0020:30
22:0021:30
23:0022:30

Iran Standard Time

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

Countries using this time zone: Iran

Principal Cities: The largest city in the IRST time zone is Tehran in Iran, with about 7.153 million people. Other major cities in this time zone include Mashhad, Isfahan, Karaj, Tabriz.

Daylight Saving: Clocks in Iran Standard Time (IRST) do not change for daylight saving time, so IRST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

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 an offset of three hours and thirty minutes to the east of the zero meridian.

Further Eastern European Time

Offset: FET is 3 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Belarus

Principal Cities: The largest city in the FET time zone is Minsk in Belarus, with about 1.742 million people. Other major cities in this time zone include Gomel, Mahilyow, Vitebsk, Hrodna.

Daylight Saving: Clocks in Further Eastern European Time (FET) do not change for daylight saving time, so FET stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

FET Time Zone Geo Map
FET timezone map

FET 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 an offset of three hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Charlie - Military abbreviation for FET
  • C - short form of 'Charlie'
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