Offset
The time difference between Riyadh and Kaohsiung is 5 hours.
Riyadh (AST) is behind Kaohsiung (GMT+8).
AST: UTC+3
GMT+8: UTC+8
Neither Riyadh nor Kaohsiung is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–12 PM in Riyadh (2 PM–5 PM in Kaohsiung).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Riyadh (3:00 PM Kaohsiung).
Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Riyadh | Kaohsiung | 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 Kaohsiung 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
- 5:04 AM
- Sunset
- 6:42 PM
- Day length
- 13h 37m
- Sunrise
- 5:14 AM
- Sunset
- 6:43 PM
- Day length
- 13h 29m
Daylight overlap: 8h 39m — 5:04 AM–1:43 PM in Riyadh (10:04 AM–6:43 PM in Kaohsiung). Both locations are in daylight during this window.
Cities in these zones
Other cities in Taiwan Standard Time
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 Taiwan Standard Time
- TPE
- TSA
- RMQ
- KHH
- TNN
Related conversions
Common conversions
- What is 9:00 am Riyadh in Kaohsiung?
- 9:00 am Riyadh is 2:00 pm Kaohsiung.
- What is 12:00 pm Riyadh in Kaohsiung?
- 12:00 pm Riyadh is 5:00 pm Kaohsiung.
- What is 12:30 pm Riyadh in Kaohsiung?
- 12:30 pm Riyadh is 5:30 pm Kaohsiung.
- What is 2:00 pm Riyadh in Kaohsiung?
- 2:00 pm Riyadh is 7:00 pm Kaohsiung.
- What is 5:00 pm Riyadh in Kaohsiung?
- 5:00 pm Riyadh is 10:00 pm Kaohsiung.
- What is 11:30 pm Riyadh in Kaohsiung?
- 11:30 pm Riyadh is 4:30 am Kaohsiung, the next day.