What is the time difference between Singapore and Jakarta?

Jakarta is 1 hour behind Singapore. 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 Singapore?

Between 10:00–18:00 in Singapore, which is 09:00–17:00 in Jakarta. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Singapore observe daylight saving time?

No. Singapore stays on UTC+8 all year, so its clocks never move.

Does Jakarta observe daylight saving time?

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

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

It is 11:00 in Jakarta, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Singapore and Jakarta use?

Singapore uses Asia/Singapore, currently UTC+8, and Jakarta uses Asia/Jakarta, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Singapore time to Jakarta time

Right now Jakarta runs 1 hour behind Singapore. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

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 Singapore, and what the clock reads in Jakarta at that same moment.

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

Daylight saving time

Both cities keep one offset all year. Whatever difference holds today still holds in six months.

Singapore

Does not observe daylight saving time

Standard: UTC+8

Jakarta

Does not observe daylight saving time

Standard: UTC+7

When you can actually talk

You have 8 hours of shared working time: 10:00–18:00 in Singapore, which is 09:00–17:00 in Jakarta.

Singapore 10:00–18:00Jakarta 09:00–17:00

Reference

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

	Singapore	Jakarta
IANA zone	Asia/Singapore	Asia/Jakarta
Abbreviation	UTC+8	UTC+7
Standard offset	UTC+8	UTC+7
Daylight offset	—	—
Clock changes this year	0	0
Country	Singapore	Indonesia

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

Common questions

What is the time difference between Singapore and Jakarta?: Jakarta is 1 hour behind Singapore. 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 Singapore?: Between 10:00–18:00 in Singapore, which is 09:00–17:00 in Jakarta. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Singapore observe daylight saving time?: No. Singapore stays on UTC+8 all year, so its clocks never move.
Does Jakarta observe daylight saving time?: No. Jakarta stays on UTC+7 all year, so its clocks never move.
If it is midday in Singapore, what time is it in Jakarta?: It is 11:00 in Jakarta, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Singapore and Jakarta use?: Singapore uses Asia/Singapore, currently UTC+8, and Jakarta uses Asia/Jakarta, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.