Time in Tehran vs Riyadh
Tehran keeps UTC+3:30 (UTC+3:30) and Riyadh keeps UTC+3 (UTC+3) today. Riyadh is 0½ hours behind Tehran; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–18:00 in Riyadh (09:00–18:00 your time).
| City | 00:00 in Tehran | 01:00 in Tehran | 02:00 in Tehran | 03:00 in Tehran | 04:00 in Tehran | 05:00 in Tehran | 06:00 in Tehran | 07:00 in Tehran | 08:00 in Tehran | 09:00 in Tehran | 10:00 in Tehran | 11:00 in Tehran | 12:00 in Tehran | 13:00 in Tehran | 14:00 in Tehran | 15:00 in Tehran | 16:00 in Tehran | 17:00 in Tehran | 18:00 in Tehran | 19:00 in Tehran | 20:00 in Tehran | 21:00 in Tehran | 22:00 in Tehran | 23:00 in Tehran |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tehran—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Riyadh—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Tehran and Riyadh
Best hours to call
09:00 in Tehran
Inside working hours on both sides
09:00 in Riyadh
10:00 in Tehran
Inside working hours on both sides
10:00 in Riyadh
11:00 in Tehran
Inside working hours on both sides
11:00 in Riyadh
12:00 in Tehran
Inside working hours on both sides
12:00 in Riyadh
Where daylight saving pulls them apart
Neither Tehran nor Riyadh changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Riyadh of Tehran?
Riyadh is 0½ hours behind Tehran right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Tehran and Riyadh?
Any hour in 09:00–18:00 Tehran time is inside working hours in both cities.
Do Tehran and Riyadh change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.