IRST to AEST converter

Iran Time (Tehran) to Australian Eastern Time (Sydney, Melbourne, Canberra).

IRST3:37 AMSat 31 Oct 2026

→

AEST11:07 AMSat 31 Oct 2026

AEST is 7 h 30 min ahead of IRST.

Pick a time in IRST

⇄ AEST to IRST

9:00 AM IRST = 4:30 PM AEST same day

Best time to meet

The best time to meet is between 9:00 AM and 10:00 AM IRST, which is 4:30 PM to 5:30 PM AEST. Both sides are then inside 9 AM to 5 PM.

IRST to AEST time table

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

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

Quick answers

9:00 AM IRST = 4:30 PM AEST
12:00 PM IRST = 7:30 PM AEST
3:00 PM IRST = 10:30 PM AEST
5:00 PM IRST = 12:30 AM AEST (next day)
9:00 AM AEST = 1:30 AM IRST
12:00 PM AEST = 4:30 AM IRST
5:00 PM AEST = 9:30 AM IRST

Does the gap change during the year?

Yes, because of daylight saving. Until 3 Apr 2027: AEST is 7 h 30 min ahead of IRST. From 3 Apr 2027 to 2 Oct 2027: AEST is 6 h 30 min ahead of IRST. From 2 Oct 2027 to 1 Apr 2028: AEST is 7 h 30 min ahead of IRST.

IRST does not change its clocks. AEST next changes its clocks on 4 Apr 2027 (back 1 h, to UTC+10), then on 3 Oct 2027 (forward 1 h, to UTC+11).

About IRST and AEST

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

AEST here means Australian Eastern Time, the clock in Sydney, Melbourne, Canberra. Right now it is UTC+11. Strictly, AEST is the winter name; in summer these places use AEDT. This page follows their real clock all year.

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