AEST to Iran
-6h 30mAEST
AESTSOURCEIran
IRSTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and IRST on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and IRST (Iran Standard Time) timezone regions across the globe.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •Queensland does not observe daylight saving time, staying on AEST year-round.
- •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
- •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
- •AEST is 15 hours ahead of EST during winter.
IRST – Iran Standard Time
UTC+03:30Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.
- •IRST is one of only a few time zones with a 30-minute offset.
- •Iran observes daylight saving time, switching to IRDT (UTC+04:30).
- •Tehran has a metropolitan population of over 16 million.
Everything You Need to Know About AEST and Iran Time
AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. Iran runs on Iran Standard Time (IRST) at UTC+03:30. That puts AEST 6 hours 30 minutes behind Iran — a difference of -6h 30m at the current offsets.
In practice, when it is 9:00 AM in AEST it is 2:30 AM in Iran. Midnight in AEST is 5:30 PM in Iran. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AEST to Iran time conversion table
| AEST (AEST) | Iran (IRST) | Day |
|---|---|---|
| 12:00 AM | 5:30 PM | previous day |
| 6:00 AM | 11:30 PM | previous day |
| 7:00 AM | 12:30 AM | same day |
| 8:00 AM | 1:30 AM | same day |
| 9:00 AM | 2:30 AM | same day |
| 12:00 PM | 5:30 AM | same day |
| 3:00 PM | 8:30 AM | same day |
| 5:00 PM | 10:30 AM | same day |
| 6:00 PM | 11:30 AM | same day |
| 9:00 PM | 2:30 PM | same day |
Why people convert AEST to Iran time
- Scheduling a call from AEST to Iran: a 10:00 AM start in AEST lands at 3:30 AM in Iran, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both AEST and Iran are inside the 9-to-5 working day between 3:30 PM and 5:00 PM AEST time (9:00 AM–10:30 AM IRST). That is roughly 1 hours 30 minutes of usable overlap.
- Booking travel or deliveries: tracking Iran local time against AEST keeps pickup windows and arrival estimates honest across the -6h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AEST" is unambiguous; "3 PM" across a -6h 30m gap is not.
- Block 3:30 PM–5:00 PM AEST as the recurring meeting window if you work primarily from AEST and need Iran colleagues present.
About AEST (Australian Eastern Standard Time)
Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.
About IRST (Iran Standard Time)
Iran Standard Time (IRST) is one of the few time zones with a 30-minute offset. Iran observes daylight saving time (IRDT, UTC+04:30) from late March to late September. Tehran, the capital, is one of the largest cities in the Middle East.
Best time to call between AEST and Iran
Both AEST and Iran sit inside the 9 AM – 5 PM working day between 3:30 PM–5:00 PM AEST, which is 9:00 AM–10:30 AM IRST. That gives roughly 1 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
AEST and Iran overlap for only 90 minutes (3:30 PM–5:00 PM AEST), so meetings have to be booked precisely.
AEST is 6 hours 30 minutes behind Iran (AEST UTC+10:00 → IRST UTC+03:30). The shared working window is 3:30 PM–5:00 PM AEST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
AEST
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
Iran
Does not observe DST
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between AEST and Iran?
AEST (AEST, UTC+10:00) is 6 hours 30 minutes behind Iran (IRST, UTC+03:30). The gap is currently -6h 30m.
How do I convert AEST time to Iran time?
Add -6h 30m to AEST local time. For example, 9:00 AM in AEST is 2:30 AM in Iran.
What time is it in Iran right now?
Iran uses IRST at UTC+03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -6h 30m offset from AEST.
What is the best time to call Iran from AEST?
Call between 3:30 PM and 5:00 PM AEST — that maps to 9:00 AM–10:30 AM IRST and keeps both parties inside the working day.
Which is behind, AEST or Iran?
AEST is 6 hours 30 minutes behind Iran. When it is 12:00 PM in AEST it is 5:30 AM in Iran.
Do AEST and Iran use different time zones?
AEST uses AEST at UTC+10:00, while Iran (Iran) uses IRST at UTC+03:30. The IANA identifiers are Australia/Sydney and Asia/Tehran.
Does daylight saving time affect the AEST–Iran difference?
Neither zone observes daylight saving time, so the -6h 30m offset between AEST and Iran is fixed all year.
Which other cities share AEST's time zone?
AEST also covers Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
Which countries use AEST, AEST's zone?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Is there a day difference between AEST and Iran?
Not normally. The -6h 30m gap only pushes the date over the previous day.
What is the time difference between AEST and Iran?
Iran is -6h 30m from AEST.
What timezone is AEST in?
AEST operates on its local timezone.
What timezone is Iran in?
Iran operates on its local timezone.
Which countries use AEST (Australian Eastern Standard Time)?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Does AEST observe daylight saving time?
Yes, AEST switches to AEDT during summer months.
What are some interesting facts about AEST?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
Which cities are in the IRST timezone?
Major cities in the IRST timezone include Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
What is the UTC offset for IRST?
Iran Standard Time (IRST) is at UTC+03:30. During daylight saving time, it shifts to IRDT.
What should I know about the IRST timezone?
IRST is one of only a few time zones with a 30-minute offset. Iran observes daylight saving time, switching to IRDT (UTC+04:30).
When is it midnight in AEST, what time is it in Iran?
When it is 12:00 AM (midnight) in AEST (AEST), it is -6h 30m later in Iran (IRST).
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See every conversion from AEST →·See every conversion from Iran →