Offset
The time difference between Riyadh and Singapore is 5 hours.
Riyadh (AST) is behind Singapore (SGT).
AST: UTC+3
SGT: UTC+8
Neither Riyadh nor Singapore is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–12 PM in Riyadh (2 PM–5 PM in Singapore).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Riyadh (3:00 PM Singapore).
Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Singapore
- New Year's DayThu, Jan 1
- Chinese New YearTue, Feb 17
- Chinese New YearWed, Feb 18
- Hari Raya PuasaFri, Mar 20
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Hari Raya Haji (Tentative Date)Wed, May 27
- National DayMon, Aug 10
- DeepavaliMon, Nov 9
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Riyadh | Singapore | Day |
|---|---|---|
| 12:00 am | 5:00 am | Same day |
| 1:00 am | 6:00 am | Same day |
| 2:00 am | 7:00 am | Same day |
| 3:00 am | 8:00 am | Same day |
| 4:00 am | 9:00 am | Same day |
| 5:00 am | 10:00 am | Same day |
| 6:00 am | 11:00 am | Same day |
| 7:00 am | 12:00 pm | Same day |
| 8:00 am | 1:00 pm | Same day |
| 9:00 am | 2:00 pm | Same day |
| 10:00 am | 3:00 pm | Same day |
| 11:00 am | 4:00 pm | Same day |
| 12:00 pm | 5:00 pm | Same day |
| 1:00 pm | 6:00 pm | Same day |
| 2:00 pm | 7:00 pm | Same day |
| 3:00 pm | 8:00 pm | Same day |
| 4:00 pm | 9:00 pm | Same day |
| 5:00 pm | 10:00 pm | Same day |
| 6:00 pm | 11:00 pm | Same day |
| 7:00 pm | 12:00 am | +1 day |
| 8:00 pm | 1:00 am | +1 day |
| 9:00 pm | 2:00 am | +1 day |
| 10:00 pm | 3:00 am | +1 day |
| 11:00 pm | 4:00 am | +1 day |
Daylight saving time
Neither Riyadh nor Singapore observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:05 AM
- Sunset
- 6:40 PM
- Day length
- 13h 36m
- Sunrise
- 6:58 AM
- Sunset
- 7:10 PM
- Day length
- 12h 11m
Daylight overlap: 9h 5m — 5:05 AM–2:10 PM in Riyadh (10:05 AM–7:10 PM in Singapore). Both locations are in daylight during this window.
Cities in these zones
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Arabia Standard Time
- JED
- RUH
- MED
- DMM
Airports in Singapore Time
- SIN
Related conversions
Common conversions
- What is 9:00 am Riyadh in Singapore?
- 9:00 am Riyadh is 2:00 pm Singapore.
- What is 12:00 pm Riyadh in Singapore?
- 12:00 pm Riyadh is 5:00 pm Singapore.
- What is 12:30 pm Riyadh in Singapore?
- 12:30 pm Riyadh is 5:30 pm Singapore.
- What is 2:00 pm Riyadh in Singapore?
- 2:00 pm Riyadh is 7:00 pm Singapore.
- What is 5:00 pm Riyadh in Singapore?
- 5:00 pm Riyadh is 10:00 pm Singapore.
- What is 11:30 pm Riyadh in Singapore?
- 11:30 pm Riyadh is 4:30 am Singapore, the next day.