IST Ist to GST Converter
Time Difference
Iran Standard Time is 0 hours and 30 minutes behind Gulf Standard Time
5:00 pm17:00 in IST is 5:30 pm17:30 in GST
IST to GST call time
Best time for a conference call or a meeting is between 8am-5:30pm in IST which corresponds to 8:30am-6pm in GST
5:00 pm17:00 Iran Standard Time (IST). Offset UTC +3:30 hours
5:30 pm17:30 Gulf Standard Time (GST). Offset UTC +4:00 hours
5:00 pm17:00 IST / 5:30 pm17:30 GST
IST | GST |
---|---|
12am (midnight) | 12:30 am |
1am | 1:30 am |
2am | 2:30 am |
3am | 3:30 am |
4am | 4:30 am |
5am | 5:30 am |
6am | 6:30 am |
7am | 7:30 am |
8am | 8:30 am |
9am | 9:30 am |
10am | 10:30 am |
11am | 11:30 am |
12pm (noon) | 12:30 pm |
1pm | 1:30 pm |
2pm | 2:30 pm |
3pm | 3:30 pm |
4pm | 4:30 pm |
5pm | 5:30 pm |
6pm | 6:30 pm |
7pm | 7:30 pm |
8pm | 8:30 pm |
9pm | 9:30 pm |
10pm | 10:30 pm |
11pm | 11:30 pm |
0:00 | 0:30 |
1:00 | 1:30 |
2:00 | 2:30 |
3:00 | 3:30 |
4:00 | 4:30 |
5:00 | 5:30 |
6:00 | 6:30 |
7:00 | 7:30 |
8:00 | 8:30 |
9:00 | 9:30 |
10:00 | 10:30 |
11:00 | 11:30 |
12:00 | 12:30 |
13:00 | 13:30 |
14:00 | 14:30 |
15:00 | 15:30 |
16:00 | 16:30 |
17:00 | 17:30 |
18:00 | 18:30 |
19:00 | 19:30 |
20:00 | 20:30 |
21:00 | 21:30 |
22:00 | 22:30 |
23:00 | 23:30 |
Iran Standard Time
Offset: IST is 3 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Israel
Principal Cities: The largest city in the IST timezone is Jerusalem from Israel with population about 801,000 people. Other major cities in the area are West Jerusalem, Haifa, Tel Aviv, Ashdod
IST representations, usage and related time zones
- +0330 - basic
- +03:30 - extended
- +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.
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Gulf Standard Time
Offset: GST is 4 hours ahead Greenwich Mean Time (GMT) and is used in Asia

GST representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the east of the zero meridian.
- Delta - Military abbreviation for GST
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time