IRST
Iran Standard Time
GMT +3:30
EAT
Eastern Africa Time
GMT +3

Time Difference

Iran Standard Time is 0 hours and 30 minutes ahead of Eastern Africa Time
9:00 pm21:00 in IRST is 8:30 pm20:30 in EAT

IRST to EAT 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 EAT

9:00 pm21:00 Iran Standard Time (IRST). Offset UTC +3:30 hours
8:30 pm20:30 Eastern Africa Time (EAT). Offset UTC +3:00 hours

9:00 pm21:00 IRST / 8:30 pm20:30 EAT

IRST EAT
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.

Eastern Africa Time

Offset: EAT is 3 hours ahead Greenwich Mean Time (GMT) and is used in Africa

Countries: It is used in following countries: Djibouti, Eritrea, Ethiopia, Kenya, Comoros, Madagascar, Somalia, Tanzania, Uganda, Mayotte

Principal Cities: The largest city in the EAT timezone is Addis Ababa from Ethiopia with population about 2.758 million people. Other major cities in the area are Nairobi, Dar es Salaam, Mogadishu, Antananarivo

Daylight Saving: Eastern Africa Time (EAT) is not adjusted for daylight saving therefore EAT 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, Eastern Africa Time remains the same

EAT Time Zone Geo Map
EAT timezone map

EAT 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 EAT
  • C - short form of 'Charlie'
IANA/Olson: Reflects EAT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Addis_Ababa
  • Africa/Asmara
  • Africa/Asmera
  • Africa/Dar_es_Salaam
  • Africa/Djibouti
  • Africa/Kampala
  • Africa/Mogadishu
  • Africa/Nairobi
  • Indian/Antananarivo
  • Indian/Comoro
  • Indian/Mayotte
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