Riyadh time to Singapore time
Singapore is 5 hours ahead of Riyadh all year (Riyadh GMT+3/UTC+03:00 in summer; Singapore GMT+8/UTC+08:00). Enter a Riyadh time below to convert it, or leave it blank to see the current time in both cities.
How to use the Riyadh to Singapore time
- Type a Riyadh time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Singapore time and the working-hours table.
Time difference between Riyadh and Singapore
Singapore is 5 hours ahead of Riyadh all year. Neither city changes its clocks, so the difference is the same all year. Riyadh uses Asia/Riyadh time (UTC+03:00 in January, UTC+03:00 in July); Singapore uses Asia/Singapore (UTC+08:00 in January, UTC+08:00 in July).
Working week in Riyadh and Singapore
Riyadh: Arabia Standard Time, UTC+3 all year. Weekend is Friday–Saturday; the working week runs Sunday to Thursday. Working hours shorten during Ramadan.
Singapore: Singapore Standard Time, UTC+8 all year, the same clock as Hong Kong, Beijing, Perth, Manila and Kuala Lumpur. Office hours 09:00–18:00, weekend Saturday–Sunday.
Quick conversion table (summer difference)
| Riyadh | Singapore |
|---|---|
| 08:00 | 13:00 |
| 09:00 | 14:00 |
| 10:00 | 15:00 |
| 12:00 | 17:00 |
| 14:00 | 19:00 |
| 16:00 | 21:00 |
| 18:00 | 23:00 |
| 20:00 | 01:00 (next day) |
| 22:00 | 03:00 (next day) |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Riyadh and Singapore
Within normal office hours (09:00–18:00) in both cities: 9:00–12:00 Riyadh time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Singapore to Riyadh, or the general time zone converter.
Frequently asked questions
How many hours ahead is Singapore from Riyadh?
Singapore is 5 hours ahead of Riyadh all year.
When it is 12:00 noon in Riyadh, what time is it in Singapore?
17:00 in summer (); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.