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Convert GST to IRST Time - Free Time Zone Converter

Convert Gulf Standard Time (GST) to Iran Standard Time (IRST, UTC+3.5) with our free time zone converter. Features real-time conversion and meeting planner for time zone conversion. Accurate, fast, and easy to use on all devices.

🌍
GST
Gulf Standard Time
Current Time
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🕐
IRST
Iran Standard Time
Current Time
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Converted Time
Select a time to convert
Time Difference
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Your Local Time
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UTC Time
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GST to IRST Time Zone Difference

Iran Standard Time is 0 hours and 30 minutes behind Gulf Standard Time

Always up-to-date and accurate

24-Hour GST to IRST Conversion Chart

Complete hourly conversion for Gulf Standard Time to Iran Standard Time

12:00 AM
GST
11:30 PM
IRST
(previous day)
00:00 23:30
1:00 AM
GST
12:30 AM
IRST
01:00 00:30
2:00 AM
GST
1:30 AM
IRST
02:00 01:30
3:00 AM
GST
2:30 AM
IRST
03:00 02:30
4:00 AM
GST
3:30 AM
IRST
04:00 03:30
5:00 AM
GST
4:30 AM
IRST
05:00 04:30
6:00 AM
GST
5:30 AM
IRST
06:00 05:30
7:00 AM
GST
6:30 AM
IRST
07:00 06:30
8:00 AM
GST
7:30 AM
IRST
08:00 07:30
9:00 AM
GST
8:30 AM
IRST
09:00 08:30
10:00 AM
GST
9:30 AM
IRST
10:00 09:30
11:00 AM
GST
10:30 AM
IRST
11:00 10:30
12:00 PM
GST
11:30 AM
IRST
12:00 11:30
1:00 PM
GST
12:30 PM
IRST
13:00 12:30
2:00 PM
GST
1:30 PM
IRST
14:00 13:30
3:00 PM
GST
2:30 PM
IRST
15:00 14:30
4:00 PM
GST
3:30 PM
IRST
16:00 15:30
5:00 PM
GST
4:30 PM
IRST
17:00 16:30
6:00 PM
GST
5:30 PM
IRST
18:00 17:30
7:00 PM
GST
6:30 PM
IRST
19:00 18:30
8:00 PM
GST
7:30 PM
IRST
20:00 19:30
9:00 PM
GST
8:30 PM
IRST
21:00 20:30
10:00 PM
GST
9:30 PM
IRST
22:00 21:30
11:00 PM
GST
10:30 PM
IRST
23:00 22:30

Best Meeting Times between Gulf Standard Time and Iran Standard Time

Optimal hours for calls between GST and IRST

Business hours overlap available
10:00 AM GST → 9:30 AM IRST
Business Hours
11:00 AM GST → 10:30 AM IRST
Business Hours
12:00 PM GST → 11:30 AM IRST
Business Hours

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

Time Zone Details

Technical information for both time zones

GST

Gulf Standard Time

Source timezone

UTC Offset 4.0 hours
Abbreviation GST
Type Standard Time
Status Active
IRST

Iran Standard Time

Target timezone

UTC Offset 3.5 hours
Abbreviation IRST
Type Standard Time
Status Active

Most Searched GST to IRST Times

Popular business hours conversion from Gulf Standard Time to Iran Standard Time

7:00 AM
6:30 AM
Early business hours
Popular
8:00 AM
7:30 AM
Prime meeting time
9:00 AM
8:30 AM
Mid-morning calls
11:00 AM
10:30 AM
Lunch meetings
12:00 PM
11:30 AM
Afternoon coordination
1:00 PM
12:30 PM
Late afternoon calls

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