Guantánamo to Riyadh time converter
Riyadh is 7 hours ahead of Guantánamo. When it is 9:00 AM in Guantánamo, it is 4:00 PM in Riyadh.
Guantánamo CDT
Friday, October 16, 2026
Riyadh AST
Saturday, October 17, 2026
9:22 PM in Guantánamo, Friday, October 16, 2026
Guantánamo to Riyadh conversion table
Every hour of today in Guantánamo and the matching time in Riyadh. Light rows are typical working hours (9:00–18:00).
| Guantánamo | Riyadh |
|---|---|
| 12:00 AM | 7:00 AM |
| 1:00 AM | 8:00 AM |
| 2:00 AM | 9:00 AM |
| 3:00 AM | 10:00 AM |
| 4:00 AM | 11:00 AM |
| 5:00 AM | 12:00 PM |
| 6:00 AM | 1:00 PM |
| 7:00 AM | 2:00 PM |
| 8:00 AM | 3:00 PM |
| 9:00 AM | 4:00 PM |
| 10:00 AM | 5:00 PM |
| 11:00 AM | 6:00 PM |
| 12:00 PM | 7:00 PM |
| 1:00 PM | 8:00 PM |
| 2:00 PM | 9:00 PM |
| 3:00 PM | 10:00 PM |
| 4:00 PM | 11:00 PM |
| 5:00 PM | 12:00 AM+1 day |
| 6:00 PM | 1:00 AM+1 day |
| 7:00 PM | 2:00 AM+1 day |
| 8:00 PM | 3:00 AM+1 day |
| 9:00 PM | 4:00 AM+1 day |
| 10:00 PM | 5:00 AM+1 day |
| 11:00 PM | 6:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 11:00 AM in Guantánamo (4:00 PM – 6:00 PM in Riyadh).
Daylight saving time and the difference
The difference changes during the year because Guantánamo and Riyadh switch clocks on different dates:
- Oct 16, 2026 – Nov 1, 2026: +7h
- Nov 1, 2026 – Mar 14, 2027: +8h
- Mar 14, 2027 – Oct 16, 2027: +7h
Distance
Guantánamo and Riyadh are 11,998 km (7,455 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Guantánamo and Riyadh?
Riyadh is 7 hours ahead of Guantánamo.
What time is it in Riyadh when it is 9 AM in Guantánamo?
When it is 9:00 AM in Guantánamo, it is 4:00 PM in Riyadh.
When is the best time to call Riyadh from Guantánamo?
Both sides are at work from 9:00 AM – 11:00 AM in Guantánamo (4:00 PM – 6:00 PM in Riyadh).
Does the time difference between Guantánamo and Riyadh change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.