ICT to IRST converter

Indochina Time (Bangkok, Ho Chi Minh City, Hanoi) to Iran Time (Tehran).

ICT7:07 AMSat 31 Oct 2026

→

IRST3:37 AMSat 31 Oct 2026

IRST is 3 h 30 min behind ICT.

Pick a time in ICT

⇄ IRST to ICT

9:00 AM ICT = 5:30 AM IRST same day

Best time to meet

The best time to meet is between 1:00 PM and 5:00 PM ICT, which is 9:30 AM to 1:30 PM IRST. Both sides are then inside 9 AM to 5 PM.

ICT to IRST time table

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

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

Quick answers

9:00 AM ICT = 5:30 AM IRST
12:00 PM ICT = 8:30 AM IRST
3:00 PM ICT = 11:30 AM IRST
5:00 PM ICT = 1:30 PM IRST
9:00 AM IRST = 12:30 PM ICT
12:00 PM IRST = 3:30 PM ICT
5:00 PM IRST = 8:30 PM ICT

Does the gap change during the year?

No. IRST is 3 h 30 min behind ICT all year.

ICT does not change its clocks. IRST does not change its clocks.

About ICT and IRST

ICT here means Indochina Time, the clock in Bangkok, Ho Chi Minh City, Hanoi. Right now it is UTC+7. It has no daylight saving.

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

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