What is the time difference between Sydney and Jakarta?

Jakarta is 3 hours behind Sydney. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Jakarta from Sydney?

Between 12:00–18:00 in Sydney, which is 09:00–15:00 in Jakarta. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Sydney observe daylight saving time?

Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.

Does Jakarta observe daylight saving time?

No. Jakarta stays on UTC+7 all year, so its clocks never move.

If it is midday in Sydney, what time is it in Jakarta?

It is 09:00 in Jakarta, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Sydney and Jakarta use?

Sydney uses Australia/Sydney, currently UTC+10 (AEST), and Jakarta uses Asia/Jakarta, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Sydney time to Jakarta time

Jakarta is 3 hours behind Sydney right now, so midday in Sydney lands in the morning in Jakarta.

Convert a time

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Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

Every hour of a day in Sydney, and what the clock reads in Jakarta at that same moment.

Sydney	Jakarta
00:00	21:00previous day
01:00	22:00previous day
02:00	23:00previous day
03:00	00:00
04:00	01:00
05:00	02:00
06:00	03:00
07:00	04:00
08:00	05:00
09:00	06:00
10:00	07:00
11:00	08:00
12:00	09:00
13:00	10:00
14:00	11:00
15:00	12:00
16:00	13:00
17:00	14:00
18:00	15:00
19:00	16:00
20:00	17:00
21:00	18:00
22:00	19:00
23:00	20:00

Daylight saving time

Sydney changes its clocks; Jakarta does not. The difference between them therefore shifts by an hour twice a year.

Sydney

Observes daylight saving time

Standard: UTC+10
Daylight: UTC+11
Next change: 2026-10-04 +60m

Jakarta

Does not observe daylight saving time

Standard: UTC+7

When you can actually talk

The window is 6 hours wide — 12:00–18:00 in Sydney, 09:00–15:00 in Jakarta.

Sydney 12:00–18:00Jakarta 09:00–15:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Sydney	Jakarta
IANA zone	Australia/Sydney	Asia/Jakarta
Abbreviation	AEST	UTC+7
Standard offset	UTC+10	UTC+7
Daylight offset	UTC+11	—
Clock changes this year	2	0
Country	Australia	Indonesia

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Sydney and Jakarta?: Jakarta is 3 hours behind Sydney. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Jakarta from Sydney?: Between 12:00–18:00 in Sydney, which is 09:00–15:00 in Jakarta. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Sydney observe daylight saving time?: Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.
Does Jakarta observe daylight saving time?: No. Jakarta stays on UTC+7 all year, so its clocks never move.
If it is midday in Sydney, what time is it in Jakarta?: It is 09:00 in Jakarta, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Sydney and Jakarta use?: Sydney uses Australia/Sydney, currently UTC+10 (AEST), and Jakarta uses Asia/Jakarta, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.