Iran to AEST
+6h 30mIran
IRSTSOURCEAEST
AESTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and AEST on the World Map
The map below highlights the IRST (Iran Standard Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.
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.
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.
Comparing Time Zones: Iran and AEST
Iran runs on Iran Standard Time (IRST) at UTC+03:30. AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts Iran 6 hours 30 minutes ahead of AEST — a difference of +6h 30m at the current offsets.
In practice, when it is 9:00 AM in Iran it is 3:30 PM in AEST. Midnight in Iran is 6:30 AM in AEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Iran to AEST time conversion table
| Iran (IRST) | AEST (AEST) | Day |
|---|---|---|
| 12:00 AM | 6:30 AM | same day |
| 6:00 AM | 12:30 PM | same day |
| 7:00 AM | 1:30 PM | same day |
| 8:00 AM | 2:30 PM | same day |
| 9:00 AM | 3:30 PM | same day |
| 12:00 PM | 6:30 PM | same day |
| 3:00 PM | 9:30 PM | same day |
| 5:00 PM | 11:30 PM | same day |
| 6:00 PM | 12:30 AM | next day |
| 9:00 PM | 3:30 AM | next day |
Why people convert Iran to AEST time
- Scheduling a call from Iran to AEST: a 10:00 AM start in Iran lands at 4:30 PM in AEST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Iran and AEST are inside the 9-to-5 working day between 9:00 AM and 10:30 AM IRST time (3:30 PM–5:00 PM AEST). That is roughly 1 hours 30 minutes of usable overlap.
- Coordinating a Iran-based team with AEST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a +6h 30m gap is not.
- Block 9:00 AM–10:30 AM IRST as the recurring meeting window if you work primarily from Iran and need AEST colleagues present.
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.
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.
Best time to call between Iran and AEST
Both Iran and AEST sit inside the 9 AM – 5 PM working day between 9:00 AM–10:30 AM IRST, which is 3:30 PM–5:00 PM AEST. That gives roughly 1 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Iran and AEST overlap for only 90 minutes (9:00 AM–10:30 AM IRST), so meetings have to be booked precisely.
Iran is 6 hours 30 minutes ahead of AEST (IRST UTC+03:30 → AEST UTC+10:00). The shared working window is 9:00 AM–10:30 AM IRST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Iran
Does not observe DST
AEST
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
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 Iran and AEST?
Iran (IRST, UTC+03:30) is 6 hours 30 minutes ahead of AEST (AEST, UTC+10:00). The gap is currently +6h 30m.
How do I convert Iran time to AEST time?
Add +6h 30m to Iran local time. For example, 9:00 AM in Iran is 3:30 PM in AEST.
What time is it in AEST right now?
AEST uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +6h 30m offset from Iran.
What is the best time to call AEST from Iran?
Call between 9:00 AM and 10:30 AM IRST — that maps to 3:30 PM–5:00 PM AEST and keeps both parties inside the working day.
Which is ahead, Iran or AEST?
Iran is 6 hours 30 minutes ahead of AEST. When it is 12:00 PM in Iran it is 6:30 PM in AEST.
Do Iran and AEST use different time zones?
Iran (Iran) uses IRST at UTC+03:30, while AEST uses AEST at UTC+10:00. The IANA identifiers are Asia/Tehran and Australia/Sydney.
Does daylight saving time affect the Iran–AEST difference?
Neither zone observes daylight saving time, so the +6h 30m offset between Iran and AEST is fixed all year.
Which other cities share Iran's time zone?
IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
Which countries use IRST, Iran's zone?
IRST is used in Iran.
Is there a day difference between Iran and AEST?
Not normally. The +6h 30m gap only pushes the date over for late-evening times.
What is the time difference between Iran and AEST?
AEST is +6h 30m from Iran.
What timezone is Iran in?
Iran operates on its local timezone.
What timezone is AEST in?
AEST operates on its local timezone.
Which countries use IRST (Iran Standard Time)?
IRST is used in Iran.
Does IRST observe daylight saving time?
Yes, IRST switches to IRDT during summer months.
What are some interesting facts about IRST?
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).
Which cities are in the AEST timezone?
Major cities in the AEST timezone include Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
What is the UTC offset for AEST?
Australian Eastern Standard Time (AEST) is at UTC+10:00. During daylight saving time, it shifts to AEDT.
What should I know about the AEST timezone?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
When is it midnight in Iran, what time is it in AEST?
When it is 12:00 AM (midnight) in Iran (IRST), it is +6h 30m later in AEST (AEST).
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