AEST to Tehran Time Converter
IRST is 7 hours 30 minutes behind AEDT. 9:00 AM AEDT = 1:30 AM IRST.
IRST is 7 hours 30 minutes behind AEDT at the moment. To convert AEST to Tehran Time, subtract 7 hours 30 minutes from the AEST time: 9:00 AM AEDT = 1:30 AM IRST.
AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year. Tehran Time (Tehran time) is used in Tehran, Iran.
Queensland stays on AEST all year. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
AEST to Tehran Time time conversion table
AEST to Tehran Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| AEST | Tehran Time | Day |
|---|---|---|
| 12:00 AM AEDT | 4:30 PM IRST | previous day |
| 1:00 AM AEDT | 5:30 PM IRST | previous day |
| 2:00 AM AEDT | 6:30 PM IRST | previous day |
| 3:00 AM AEDT | 7:30 PM IRST | previous day |
| 4:00 AM AEDT | 8:30 PM IRST | previous day |
| 5:00 AM AEDT | 9:30 PM IRST | previous day |
| 6:00 AM AEDT | 10:30 PM IRST | previous day |
| 7:00 AM AEDT | 11:30 PM IRST | previous day |
| 8:00 AM AEDT | 12:30 AM IRST | night |
| 9:00 AM AEDT | 1:30 AM IRST | night |
| 10:00 AM AEDT | 2:30 AM IRST | night |
| 11:00 AM AEDT | 3:30 AM IRST | night |
| 12:00 PM AEDT | 4:30 AM IRST | night |
| 1:00 PM AEDT | 5:30 AM IRST | night |
| 2:00 PM AEDT | 6:30 AM IRST | — |
| 3:00 PM AEDT | 7:30 AM IRST | — |
| 4:00 PM AEDT | 8:30 AM IRST | — |
| 5:00 PM AEDT | 9:30 AM IRST | — |
| 6:00 PM AEDT | 10:30 AM IRST | — |
| 7:00 PM AEDT | 11:30 AM IRST | — |
| 8:00 PM AEDT | 12:30 PM IRST | — |
| 9:00 PM AEDT | 1:30 PM IRST | — |
| 10:00 PM AEDT | 2:30 PM IRST | — |
| 11:00 PM AEDT | 3:30 PM IRST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert AEST to Tehran Time
Subtract 7 hours 30 minutes from the AEST time to get Tehran Time.
Example: 9:00 AM AEDT = 1:30 AM IRST.
Across midnight: 1:00 AM AEDT = 5:30 PM IRST (previous day). The date changes, so always check the day as well as the hour.
Time difference between AEST and Tehran Time
The time difference between AEST and Tehran Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 4 Apr 2026: Tehran Time is 7 hours 30 minutes behind of AEST.
- 5 Apr 2026 – 3 Oct 2026: Tehran Time is 6 hours 30 minutes behind of AEST.
- 4 Oct 2026 – 31 Dec 2026: Tehran Time is 7 hours 30 minutes behind of AEST.
AEST and Tehran Time during daylight saving time
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
- Tehran Time does not observe daylight saving time; it stays on UTC+3:30 all year.
Best time for a meeting between AEST and Tehran Time
AEST and Tehran Time share 30 minutes of the 9 AM–5 PM working day. Any time between 4:30 PM and 5:00 PM AEDT lands between 9:00 AM and 9:30 AM IRST, inside working hours for both.
AEST to Tehran Time FAQ
What is the time difference between AEST and Tehran Time?
Right now IRST is 7 hours 30 minutes behind AEDT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM AEST in Tehran Time?
9:00 AM AEDT is 1:30 AM IRST.
What is 12 PM (noon) AEST in Tehran Time?
12:00 PM AEDT is 4:30 AM IRST.
Is Tehran Time ahead of or behind AEST?
IRST is 7 hours 30 minutes behind AEDT, so it is earlier in Tehran Time than in AEST.
Does AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
Does Tehran Time change for daylight saving time?
No. Tehran Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between AEST and Tehran Time?
AEST and Tehran Time share 30 minutes of the 9 AM–5 PM working day. Any time between 4:30 PM and 5:00 PM AEDT lands between 9:00 AM and 9:30 AM IRST, inside working hours for both.
Related conversions
Convert Tehran Time to AEST
Convert AEST to other time zones
Convert other time zones to Tehran Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.