How to read it
Abu Dhabi and Riyadh, side by side
Each row is one city's day, half an hour to a square, lined up by the hours along the bottom.
- 1Filled: at the desk, 9:00 to 18:00 where that city is.
- 2Grey: up early, up late, or the weekend.
- 3Outline: asleep.
- 4Red band: your slot. Read straight down to see the same moment in every city.
- 5A marks the best time for everyone; B, when there is one, the next best.
The red band is the best time to call on Wed, 21 Oct 2026: 10:00–11:00 in Abu Dhabi, which is 09:00–10:00 in Riyadh.
Through the year
How the gap between Abu Dhabi and Riyadh moves
Riyadh is 1h behind Abu Dhabi today. Neither city changes its clocks, so the gap is the same all year.
- Riyadh 1h behind Abu Dhabi
Hour by hour
Abu Dhabi to Riyadh time, hour by hour
On a working day (Wed, 21 Oct 2026), with working hours of 9:00 to 18:00 in both cities. Abu Dhabi works Mon–Fri and Riyadh works Sun–Thu, so the shared working days are Mon–Thu.
- Abu Dhabi starts work 09:00 08:00 in Riyadh Early
- Riyadh starts work 09:00 10:00 in Abu Dhabi At desk
- Abu Dhabi finishes work 18:00 17:00 in Riyadh At desk
- Riyadh finishes work 18:00 19:00 in Abu Dhabi Late
Show all 24 hours
| Abu Dhabi | Riyadh |
|---|---|
| 00:00 Asleep | 23:00 Tue Asleep |
| 01:00 Asleep | 00:00 Asleep |
| 02:00 Asleep | 01:00 Asleep |
| 03:00 Asleep | 02:00 Asleep |
| 04:00 Asleep | 03:00 Asleep |
| 05:00 Asleep | 04:00 Asleep |
| 06:00 Asleep | 05:00 Asleep |
| 07:00 Early | 06:00 Asleep |
| 08:00 Early | 07:00 Early |
| 09:00 At desk | 08:00 Early |
| 10:00 At desk | 09:00 At desk |
| 11:00 At desk | 10:00 At desk |
| 12:00 At desk | 11:00 At desk |
| 13:00 At desk | 12:00 At desk |
| 14:00 At desk | 13:00 At desk |
| 15:00 At desk | 14:00 At desk |
| 16:00 At desk | 15:00 At desk |
| 17:00 At desk | 16:00 At desk |
| 18:00 Late | 17:00 At desk |
| 19:00 Late | 18:00 Late |
| 20:00 Late | 19:00 Late |
| 21:00 Late | 20:00 Late |
| 22:00 Asleep | 21:00 Late |
| 23:00 Asleep | 22:00 Asleep |
Questions
Questions people ask
What is the time difference between Abu Dhabi and Riyadh?
Riyadh is 1h behind Abu Dhabi (as of Wed, 21 Oct 2026). Neither city changes its clocks, so the gap is the same all year.
What is the best time for a call between Abu Dhabi and Riyadh?
On a working day, the best time for a call is 10:00–11:00 in Abu Dhabi, which is 09:00–10:00 in Riyadh. Everyone is at their desk. Abu Dhabi works Mon–Fri and Riyadh works Sun–Thu, so the shared working days are Mon–Thu.
Does Abu Dhabi change its clocks?
No. Abu Dhabi stays on UTC+4 all year.
Does Riyadh change its clocks?
No. Riyadh stays on UTC+3 all year.
More city pairs
Compare more cities
Abu Dhabi and…
- Abu Dhabi and Mumbai
- Abu Dhabi and Delhi
- Abu Dhabi and Bengaluru
- Abu Dhabi and Dubai
- Abu Dhabi and Doha
- Abu Dhabi and Singapore
- Abu Dhabi and Hong Kong
- Abu Dhabi and Tokyo
- Abu Dhabi and Sydney
- Abu Dhabi and London
- Abu Dhabi and Paris
- Abu Dhabi and Berlin
- Abu Dhabi and Amsterdam
- Abu Dhabi and New York
- Abu Dhabi and Toronto
- Abu Dhabi and Chicago
- Abu Dhabi and Los Angeles
- Abu Dhabi and San Francisco
Riyadh and…
- Riyadh and Mumbai
- Riyadh and Delhi
- Riyadh and Bengaluru
- Riyadh and Dubai
- Riyadh and Doha
- Riyadh and Singapore
- Riyadh and Hong Kong
- Riyadh and Tokyo
- Riyadh and Sydney
- Riyadh and London
- Riyadh and Paris
- Riyadh and Berlin
- Riyadh and Amsterdam
- Riyadh and New York
- Riyadh and Toronto
- Riyadh and Chicago
- Riyadh and Los Angeles
- Riyadh and San Francisco
From the team behind 10:10
Running an event across time zones?
C4E has spent twenty years running conferences, dealer meets and offsites in more than 40 countries, with clients, speakers and crews in different time zones. 10:10 is one of the tools we built for our own shows. It is free, with no account and nothing upsold.