What is the time difference between Seoul and Singapore?

Singapore is 1 hour behind Seoul. 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 Seoul?

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

Does Seoul observe daylight saving time?

No. Seoul stays on UTC+9 all year, so its clocks never move.

Does Singapore observe daylight saving time?

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

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

It is 11:00 in Singapore, 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 Seoul and Singapore use?

Seoul uses Asia/Seoul, currently UTC+9, and Singapore uses Asia/Singapore, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Seoul time to Singapore time

Right now Singapore runs 1 hour behind Seoul. 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 Seoul, and what the clock reads in Singapore at that same moment.

Seoul	Singapore
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.

Seoul

Does not observe daylight saving time

Standard: UTC+9

Singapore

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

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

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

Reference

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

	Seoul	Singapore
IANA zone	Asia/Seoul	Asia/Singapore
Abbreviation	UTC+9	UTC+8
Standard offset	UTC+9	UTC+8
Daylight offset	—	—
Clock changes this year	0	0
Country	South Korea	Singapore

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

Common questions

What is the time difference between Seoul and Singapore?: Singapore is 1 hour behind Seoul. 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 Seoul?: Between 10:00–18:00 in Seoul, which is 09:00–17:00 in Singapore. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Seoul observe daylight saving time?: No. Seoul stays on UTC+9 all year, so its clocks never move.
Does Singapore observe daylight saving time?: No. Singapore stays on UTC+8 all year, so its clocks never move.
If it is midday in Seoul, what time is it in Singapore?: It is 11:00 in Singapore, 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 Seoul and Singapore use?: Seoul uses Asia/Seoul, currently UTC+9, and Singapore uses Asia/Singapore, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.