Jakarta time to Sydney time
Sydney is 4 hours ahead of Jakarta in January and 3 hours ahead of in July (Jakarta GMT+7/UTC+07:00 in summer; Sydney GMT+10/UTC+10:00). Enter a Jakarta time below to convert it, or leave it blank to see the current time in both cities.
How to use the Jakarta to Sydney time
- Type a Jakarta 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 Jakarta and Sydney
Sydney is 4 hours ahead of Jakarta in January and 3 hours ahead of in July. Sydney observes daylight saving time and Jakarta does not, so the difference changes twice a year. Jakarta uses Asia/Jakarta time (UTC+07:00 in January, UTC+07:00 in July); Sydney uses Australia/Sydney (UTC+11:00 in January, UTC+10:00 in July).
Working week in Jakarta and Sydney
Jakarta: Western Indonesia Time, UTC+7 all year (Indonesia spans three zones). Office hours 08:00–17:00 with a Friday prayer break; weekend Saturday–Sunday.
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)
| Jakarta | Sydney |
|---|---|
| 08:00 | 11:00 |
| 09:00 | 12:00 |
| 10:00 | 13:00 |
| 12:00 | 15:00 |
| 14:00 | 17:00 |
| 16:00 | 19:00 |
| 18:00 | 21:00 |
| 20:00 | 23:00 |
| 22:00 | 01:00 (next day) |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Jakarta and Sydney
Within normal office hours (09:00–18:00) in both cities: 9:00–14:00 Jakarta 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 Jakarta, or the general time zone converter.
Frequently asked questions
How many hours ahead is Sydney from Jakarta?
Sydney is 4 hours ahead of Jakarta in January and 3 hours ahead of in July.
When it is 12:00 noon in Jakarta, what time is it in Sydney?
15:00 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.