IRST to GST converter

Iran Time (Tehran) to Gulf Time (Dubai, Abu Dhabi, Muscat).

IRST3:37 AMSat 31 Oct 2026

→

GST4:07 AMSat 31 Oct 2026

GST is 30 min ahead of IRST.

Pick a time in IRST

⇄ GST to IRST

9:00 AM IRST = 9:30 AM GST same day

Best time to meet

The best time to meet is between 9:00 AM and 5:00 PM IRST, which is 9:30 AM to 5:30 PM GST. Both sides are then inside 9 AM to 5 PM.

IRST to GST time table

For 31 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

IRST	GST
12:00 AM IRST	12:30 AM GST
1:00 AM IRST	1:30 AM GST
2:00 AM IRST	2:30 AM GST
3:00 AM IRST	3:30 AM GST
4:00 AM IRST	4:30 AM GST
5:00 AM IRST	5:30 AM GST
6:00 AM IRST	6:30 AM GST
7:00 AM IRST	7:30 AM GST
8:00 AM IRST	8:30 AM GST
9:00 AM IRST	9:30 AM GST
10:00 AM IRST	10:30 AM GST
11:00 AM IRST	11:30 AM GST
12:00 PM IRST	12:30 PM GST
1:00 PM IRST	1:30 PM GST
2:00 PM IRST	2:30 PM GST
3:00 PM IRST	3:30 PM GST
4:00 PM IRST	4:30 PM GST
5:00 PM IRST	5:30 PM GST
6:00 PM IRST	6:30 PM GST
7:00 PM IRST	7:30 PM GST
8:00 PM IRST	8:30 PM GST
9:00 PM IRST	9:30 PM GST
10:00 PM IRST	10:30 PM GST
11:00 PM IRST	11:30 PM GST

Quick answers

9:00 AM IRST = 9:30 AM GST
12:00 PM IRST = 12:30 PM GST
3:00 PM IRST = 3:30 PM GST
5:00 PM IRST = 5:30 PM GST
9:00 AM GST = 8:30 AM IRST
12:00 PM GST = 11:30 AM IRST
5:00 PM GST = 4:30 PM IRST

Does the gap change during the year?

No. GST is 30 min ahead of IRST all year.

IRST does not change its clocks. GST does not change its clocks.

About IRST and GST

IRST here means Iran Time, the clock in Tehran. Right now it is UTC+3:30. It has no daylight saving.

GST here means Gulf Time, the clock in Dubai, Abu Dhabi, Muscat. Right now it is UTC+4. It has no daylight saving.

Every city on your wrist

Meanwhile puts these times in your Mac menu bar, on your iPhone home screen and on your Apple Watch. Type “3pm Tokyo” and every city answers. Free for 3 cities. Unlock every city on every device once for $4.99, shared with your family. No subscription.

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