Time difference between Greenwich and Riyadh
Compare the current local time in Greenwich and Riyadh, see when your working hours overlap, and convert any specific hour between the two timezones.
--:--
—
--:--
—
Convert a specific time
--:--
--:--
Working-hours overlap
When Greenwich's 9:00–17:00 business hours overlap with Riyadh's.
Greenwich working hours
Riyadh working hours
Overlap (both working)
🇺🇸 Greenwich
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
Scheduling across Greenwich and Riyadh
Scheduling between Greenwich and Riyadh is workable but tight. Only 1 hour of standard business hours overlap each day, from 09:00 to 10:00 in Greenwich (16:00 to 17:00 in Riyadh). Recurring meetings often settle within this narrow window.
Quick reference
| 🇺🇸 Greenwich | 🇸🇦 Riyadh | In Riyadh it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇺🇸 Greenwich
Currently in EDT (daylight saving)
Clocks go back to EST
on Sunday 1 November 2026
🇸🇦 Riyadh
Riyadh does not observe daylight saving time. The local offset is fixed year-round.