Live Synchronized Time Difference
HangzhoutoRiyadhTime Difference
🇨🇳
Hangzhou
China (GMT+8)23:11:53UTC+8:00
🇸🇦
Riyadh
Saudi Arabia (GMT+3)18:11:53UTC+3:00
Direct Distance7,148 km (4,442 miles)
Estimated Flight Time~8.9 hours
Business Overlap3 overlapping hours (9am–5pm)
Mutual Working Window: 3 Overlapping Hours
Recommended calling window between Hangzhou and Riyadh
Off-Peak Calling Window
Hangzhou Time
2:00 PM – 5:00 PM
Riyadh Time
9:00 AM – 12:00 PM
Both locations share 3 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Hangzhou and Riyadh.
Work (9am-5pm)ShoulderSleep / Off
| Hangzhou Time (China) | Riyadh Time (Saudi Arabia) | Status & Recommendation |
|---|---|---|
| 00:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 00:00AM | ⚪ Outside Work Hours |
| 06:00AM | 01:00AM | ⚪ Outside Work Hours |
| 07:00AM | 02:00AM | ⚪ Outside Work Hours |
| 08:00AM | 03:00AM | ⚪ Outside Work Hours |
| 09:00AM | 04:00AM | ⚪ Outside Work Hours |
| 10:00AM | 05:00AM | ⚪ Outside Work Hours |
| 11:00AM | 06:00AM | ⚪ Outside Work Hours |
| 12:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 15:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 12:00PM | ⚪ Outside Work Hours |
| 18:00PM | 13:00PM | ⚪ Outside Work Hours |
| 19:00PM | 14:00PM | ⚪ Outside Work Hours |
| 20:00PM | 15:00PM | ⚪ Outside Work Hours |
| 21:00PM | 16:00PM | ⚪ Outside Work Hours |
| 22:00PM | 17:00PM | ⚪ Outside Work Hours |
| 23:00PM | 18:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Hangzhou and Riyadh?
Riyadh is 5 hours behind Hangzhou.
What is the best time to schedule a cross-border meeting between Hangzhou and Riyadh?
There are 3 overlapping standard business hours (09:00 - 17:00) between Hangzhou and Riyadh. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Hangzhou and Riyadh?
Yes. If either China or Saudi Arabia observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.