GMT
GMT+05:00
GMT +5
IRST
Iran Standard Time
GMT +3:30

Time Difference

GMT+05:00 is 1 hour and 30 minutes ahead of Iran Standard Time
8:00 pm20:00 in GMT is 6:30 pm18:30 in IRST

GMT to IRST call time
Best time for a conference call or a meeting is between 9:30am-6pm in GMT which corresponds to 8am-4:30pm in IRST

8:00 pm20:00 GMT+05:00 (GMT). Offset UTC +5:00 hours
6:30 pm18:30 Iran Standard Time (IRST). Offset UTC +3:30 hours

8:00 pm20:00 GMT / 6:30 pm18:30 IRST

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

GMT+05:00

Offset: GMT is 5 hours ahead Greenwich Mean Time (GMT) and is used in Indian

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +05 - basic short
  • +0500 - basic
  • +05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five 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
  • Echo - Military abbreviation for GMT
  • E - short form of 'Echo'
GMT Abbreviation: Several time zones share GMT abbreviation and it could refer to these time zones
  • Greenwich Mean Time - UTC +0
  • GMT-03:00 - UTC -3
  • GMT+04:30 - UTC +4:30
  • GMT+10:00 - UTC +10
  • GMT+05:00 - UTC +5
  • GMT - UTC +1
  • GMT-01:00 - UTC -1
  • GMT+03:00 - UTC +3
Time zones with the GMT +5 offset:
  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time
  • +05 -
  • GMT - GMT+05:00