Time Difference: Sydney to Tehran
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Sydney vs Tehran timezone guide
Sydney (Australia) uses the Australia/Sydney timezone at UTC+10, while Tehran (Iran) uses Asia/Tehran at UTC+3:30. This means Tehran is 6 hours 30 minutes behind Sydney (based on standard offsets — the live difference above accounts for daylight saving time).
Best meeting times between Sydney and Tehran
Standard 9-to-5 working hours overlap by 1.5 hours per day. The shared window is 3:30pm–5pm in Sydney, which is 9am–10:30am in Tehran. Schedule recurring meetings inside that window and both teams stay inside standard working hours.
Hour-by-hour planner
| Sydney | Tehran | Status |
|---|---|---|
| 6am | 11:30pm | Sydney early, Tehran late evening |
| 7am | 12:30am | Sydney early, Tehran asleep |
| 8am | 1:30am | Sydney early, Tehran asleep |
| 9am | 2:30am | Sydney working hours, Tehran asleep |
| 10am | 3:30am | Sydney working hours, Tehran asleep |
| 11am | 4:30am | Sydney working hours, Tehran asleep |
| 12pm | 5:30am | Sydney working hours, Tehran asleep |
| 1pm | 6:30am | One side outside 9-to-5 but still awake |
| 2pm | 7:30am | One side outside 9-to-5 but still awake |
| 3pm | 8:30am | One side outside 9-to-5 but still awake |
| 4pm | 9:30am | Both at work — ideal meeting time |
| 5pm | 10:30am | One side outside 9-to-5 but still awake |
| 6pm | 11:30am | One side outside 9-to-5 but still awake |
| 7pm | 12:30pm | One side outside 9-to-5 but still awake |
| 8pm | 1:30pm | One side outside 9-to-5 but still awake |
| 9pm | 2:30pm | One side outside 9-to-5 but still awake |
| 10pm | 3:30pm | Sydney late evening, Tehran working hours |
Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.
Daylight saving time between Sydney and Tehran
Sydney observes daylight saving time, but Tehran does not. That means the difference between the two cities changes seasonally — by one hour, around Sydney's transition dates.
- Jan 1 → Apr 5Sydney is 7h 30m ahead Tehran
- Apr 5 → Oct 4Sydney is 6h 30m ahead Tehran
- Oct 4 → Jan 1Sydney is 7h 30m ahead Tehran
Distance between Sydney and Tehran
Sydney and Tehran are 12,911 km apart along the great-circle route. A direct flight takes roughly ~16h 11m, depending on aircraft type, winds, and routing.