What is the time difference between Riyadh and Singapore?

Singapore is 5 hours ahead of Riyadh. 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 Riyadh?

Between 09:00–13:00 in Riyadh, which is 14:00–18:00 in Singapore. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Riyadh observe daylight saving time?

No. Riyadh stays on UTC+3 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 Riyadh, what time is it in Singapore?

It is 17:00 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 Riyadh and Singapore use?

Riyadh uses Asia/Riyadh, currently UTC+3, and Singapore uses Asia/Singapore, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Riyadh time to Singapore time

Singapore is 5 hours ahead of Riyadh right now, so midday in Riyadh lands in the afternoon in Singapore.

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 Riyadh, across for Singapore.

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

Daylight saving time

Neither Riyadh nor Singapore changes its clocks, so the difference between them is the same every day of the year.

Riyadh

Does not observe daylight saving time

Standard: UTC+3

Singapore

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

You have 4 hours of shared working time: 09:00–13:00 in Riyadh, which is 14:00–18:00 in Singapore.

Riyadh 09:00–13:00Singapore 14:00–18:00

Reference

The zone identifiers and offsets behind everything above.

	Riyadh	Singapore
IANA zone	Asia/Riyadh	Asia/Singapore
Abbreviation	UTC+3	UTC+8
Standard offset	UTC+3	UTC+8
Daylight offset	—	—
Clock changes this year	0	0
Country	Saudi Arabia	Singapore

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

Common questions

What is the time difference between Riyadh and Singapore?: Singapore is 5 hours ahead of Riyadh. 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 Riyadh?: Between 09:00–13:00 in Riyadh, which is 14:00–18:00 in Singapore. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Riyadh observe daylight saving time?: No. Riyadh stays on UTC+3 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 Riyadh, what time is it in Singapore?: It is 17:00 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 Riyadh and Singapore use?: Riyadh uses Asia/Riyadh, currently UTC+3, and Singapore uses Asia/Singapore, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.