What is the time difference between Vienna and Singapore?

Singapore is 6 hours ahead of Vienna. 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 Singapore from Vienna?

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

Does Vienna observe daylight saving time?

Yes. Vienna runs on UTC+1 in winter and UTC+2 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

Does Singapore observe daylight saving time?

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

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

It is 18:00 in Singapore, 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 Vienna and Singapore use?

Vienna uses Europe/Vienna, currently UTC+2 (CEST), and Singapore uses Asia/Singapore, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Vienna time to Singapore time

Right now Singapore runs 6 hours ahead of Vienna. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

—

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 Vienna, across for Singapore.

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

Daylight saving time

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

Vienna

Observes daylight saving time

Standard: UTC+1
Daylight: UTC+2
Next change: 2026-10-25 −60m

Singapore

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

You have 3 hours of shared working time: 09:00–12:00 in Vienna, which is 15:00–18:00 in Singapore.

Vienna 09:00–12:00Singapore 15:00–18:00

Reference

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

	Vienna	Singapore
IANA zone	Europe/Vienna	Asia/Singapore
Abbreviation	CEST	UTC+8
Standard offset	UTC+1	UTC+8
Daylight offset	UTC+2	—
Clock changes this year	2	0
Country	Austria	Singapore

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

Common questions

What is the time difference between Vienna and Singapore?: Singapore is 6 hours ahead of Vienna. 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 Singapore from Vienna?: Between 09:00–12:00 in Vienna, which is 15:00–18:00 in Singapore. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Vienna observe daylight saving time?: Yes. Vienna runs on UTC+1 in winter and UTC+2 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
Does Singapore observe daylight saving time?: No. Singapore stays on UTC+8 all year, so its clocks never move.
If it is midday in Vienna, what time is it in Singapore?: It is 18:00 in Singapore, 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 Vienna and Singapore use?: Vienna uses Europe/Vienna, currently UTC+2 (CEST), and Singapore uses Asia/Singapore, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.