What is the time difference between Singapore and Adelaide?

Adelaide is 1 hour 30 minutes ahead of 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 Adelaide from Singapore?

Between 09:00–16:30 in Singapore, which is 10:30–18:00 in Adelaide. 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 Adelaide observe daylight saving time?

Yes. Adelaide runs on UTC+9:30 in winter and UTC+10:30 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.

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

It is 13:30 in Adelaide, 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 Singapore and Adelaide use?

Singapore uses Asia/Singapore, currently UTC+8, and Adelaide uses Australia/Adelaide, currently UTC+9:30 (ACST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Singapore time to Adelaide time

Right now Adelaide runs 1 hour 30 minutes ahead of 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

The whole day mapped across: read down the left for Singapore, across for Adelaide.

Singapore	Adelaide
00:00	01:30
01:00	02:30
02:00	03:30
03:00	04:30
04:00	05:30
05:00	06:30
06:00	07:30
07:00	08:30
08:00	09:30
09:00	10:30
10:00	11:30
11:00	12:30
12:00	13:30
13:00	14:30
14:00	15:30
15:00	16:30
16:00	17:30
17:00	18:30
18:00	19:30
19:00	20:30
20:00	21:30
21:00	22:30
22:00	23:30
23:00	00:30next day

Daylight saving time

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

Singapore

Does not observe daylight saving time

Standard: UTC+8

Adelaide

Observes daylight saving time

Standard: UTC+9:30
Daylight: UTC+10:30
Next change: 2026-10-04 +60m

When you can actually talk

The window is 7 hours 30 minutes wide — 09:00–16:30 in Singapore, 10:30–18:00 in Adelaide.

Singapore 09:00–16:30Adelaide 10:30–18:00

Reference

The zone identifiers and offsets behind everything above.

	Singapore	Adelaide
IANA zone	Asia/Singapore	Australia/Adelaide
Abbreviation	UTC+8	ACST
Standard offset	UTC+8	UTC+9:30
Daylight offset	—	UTC+10:30
Clock changes this year	0	2
Country	Singapore	Australia

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

Common questions

What is the time difference between Singapore and Adelaide?: Adelaide is 1 hour 30 minutes ahead of 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 Adelaide from Singapore?: Between 09:00–16:30 in Singapore, which is 10:30–18:00 in Adelaide. 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 Adelaide observe daylight saving time?: Yes. Adelaide runs on UTC+9:30 in winter and UTC+10:30 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.
If it is midday in Singapore, what time is it in Adelaide?: It is 13:30 in Adelaide, 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 Singapore and Adelaide use?: Singapore uses Asia/Singapore, currently UTC+8, and Adelaide uses Australia/Adelaide, currently UTC+9:30 (ACST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.