Riyadh to Lạng Sơn time converter
Lạng Sơn is 4 hours ahead of Riyadh. When it is 9:00 AM in Riyadh, it is 1:00 PM in Lạng Sơn.
2:26 AM in Riyadh, Sunday, October 18, 2026
Shared working hours (9:00–18:00)
Riyadh to Lạng Sơn conversion table
Every hour of today in Riyadh and the matching time in Lạng Sơn. Light rows are typical working hours (9:00–18:00).
| Riyadh | Lạng Sơn |
|---|---|
| 12:00 AM | 4:00 AM |
| 1:00 AM | 5:00 AM |
| 2:00 AM | 6:00 AM |
| 3:00 AM | 7:00 AM |
| 4:00 AM | 8:00 AM |
| 5:00 AM | 9:00 AM |
| 6:00 AM | 10:00 AM |
| 7:00 AM | 11:00 AM |
| 8:00 AM | 12:00 PM |
| 9:00 AM | 1:00 PM |
| 10:00 AM | 2:00 PM |
| 11:00 AM | 3:00 PM |
| 12:00 PM | 4:00 PM |
| 1:00 PM | 5:00 PM |
| 2:00 PM | 6:00 PM |
| 3:00 PM | 7:00 PM |
| 4:00 PM | 8:00 PM |
| 5:00 PM | 9:00 PM |
| 6:00 PM | 10:00 PM |
| 7:00 PM | 11:00 PM |
| 8:00 PM | 12:00 AM+1 day |
| 9:00 PM | 1:00 AM+1 day |
| 10:00 PM | 2:00 AM+1 day |
| 11:00 PM | 3:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 2:00 PM in Riyadh (1:00 PM – 6:00 PM in Lạng Sơn).
Daylight saving time and the difference
The difference stays 4 hours all year.
Distance
Riyadh and Lạng Sơn are 6,092 km (3,785 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Riyadh and Lạng Sơn?
Lạng Sơn is 4 hours ahead of Riyadh.
What time is it in Lạng Sơn when it is 9 AM in Riyadh?
When it is 9:00 AM in Riyadh, it is 1:00 PM in Lạng Sơn.
When is the best time to call Lạng Sơn from Riyadh?
Both sides are at work from 9:00 AM – 2:00 PM in Riyadh (1:00 PM – 6:00 PM in Lạng Sơn).
Does the time difference between Riyadh and Lạng Sơn change?
No. The difference stays 4 hours all year.