Tehran time to Sydney time
Sydney is 7.5 hours ahead of Tehran in January and 6.5 hours ahead of in July (Tehran GMT+3:30/UTC+03:30 in summer; Sydney GMT+10/UTC+10:00). Enter a Tehran time below to convert it, or leave it blank to see the current time in both cities.
How to use the Tehran to Sydney time
- Type a Tehran time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Sydney time and the working-hours table.
Time difference between Tehran and Sydney
Sydney is 7.5 hours ahead of Tehran in January and 6.5 hours ahead of in July. Sydney observes daylight saving time and Tehran does not, so the difference changes twice a year. Tehran uses Asia/Tehran time (UTC+03:30 in January, UTC+03:30 in July); Sydney uses Australia/Sydney (UTC+11:00 in January, UTC+10:00 in July).
Working week in Tehran and Sydney
Tehran: Iran Standard Time, UTC+3:30 all year (daylight saving was abolished in 2022). Weekend is Friday, with Thursday a half day for many; the week starts Saturday.
Sydney: Australian Eastern Time: AEDT (UTC+11) from the first Sunday of October to the first Sunday of April, otherwise AEST (UTC+10). Office hours 09:00–17:00, weekend Saturday–Sunday.
Quick conversion table (summer difference)
| Tehran | Sydney |
|---|---|
| 08:00 | 14:30 |
| 09:00 | 15:30 |
| 10:00 | 16:30 |
| 12:00 | 18:30 |
| 14:00 | 20:30 |
| 16:00 | 22:30 |
| 18:00 | 00:30 (next day) |
| 20:00 | 02:30 (next day) |
| 22:00 | 04:30 (next day) |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Tehran and Sydney
Within normal office hours (09:00–18:00) in both cities: 9:00–11:00 Tehran time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Sydney to Tehran, or the general time zone converter.
Frequently asked questions
How many hours ahead is Sydney from Tehran?
Sydney is 7.5 hours ahead of Tehran in January and 6.5 hours ahead of in July.
When it is 12:00 noon in Tehran, what time is it in Sydney?
18:30 in summer (); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.