AEST to IRST converter

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

AEST11:07 AMSat 31 Oct 2026

→

IRST3:37 AMSat 31 Oct 2026

IRST is 7 h 30 min behind AEST.

Pick a time in AEST

⇄ IRST to AEST

9:00 AM AEST = 1:30 AM IRST same day

Best time to meet

No hour falls inside 9 AM to 5 PM in both places. The least painful: around 3:00 PM AEST, which is 7:30 AM IRST.

AEST to IRST time table

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

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

Quick answers

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

Does the gap change during the year?

Yes, because of daylight saving. Until 4 Apr 2027: IRST is 7 h 30 min behind AEST. From 4 Apr 2027 to 3 Oct 2027: IRST is 6 h 30 min behind AEST. From 3 Oct 2027 to 2 Apr 2028: IRST is 7 h 30 min behind AEST.

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). IRST does not change its clocks.

About AEST and IRST

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.

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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