No overlap — one side will join outside working hours
AST (Riyadh)
LOS-ANGELES (Los Angeles)
00:00
14:00-1dWorking
01:00
15:00-1dWorking
02:00
16:00-1dWorking
03:00
17:00-1d
04:00
18:00-1d
05:00
19:00-1d
06:00
20:00-1d
07:00
21:00-1d
08:00
22:00-1d
09:00Working
23:00-1doff
10:00Working
00:00off
11:00Working
01:00off
12:00Working
02:00off
13:00Working
03:00off
14:00Working
04:00off
15:00Working
05:00off
16:00Working
06:00off
17:00
07:00
18:00
08:00
19:00
09:00Working
20:00
10:00Working
21:00
11:00Working
22:00
12:00Working
23:00
13:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between ast and los-angeles?
Arabia Standard Time (ast) is UTC+3 and LOS-ANGELES (Los Angeles) (los-angeles) is UTC-7. The difference between them is 10 hours.
Where is ast used?
Arabia Standard Time (ast) is used in Saudi Arabia and surrounding regions. The IANA timezone identifier is Asia/Riyadh. Note: ast is ambiguous and may refer to other timezones.
Where is los-angeles used?
LOS-ANGELES (Los Angeles) (los-angeles) is used in USA and surrounding regions. The IANA timezone identifier is America/Los_Angeles.
How do I convert ast to los-angeles?
Use the interactive converter above. Drag the time slider to any ast time and the los-angeles equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
AST (Riyadh) is 10 hours ahead of Los Angeles. Midday in AST (Riyadh) lines up with 02:00 in Los Angeles.
AST (Riyadh) observes Asia/Riyadh and Los Angeles observes America/Los_Angeles — a 10 hours gap between them.
Business hours comparison
When AST (Riyadh) is in standard working hours, Los Angeles is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between AST (Riyadh) and Los Angeles. Showing the most balanced options with minimal inconvenience for both locations.
16:00 Riyadh / 06:00 Los Angeles⚡ One side off-hours
⚠️ 3h before working hours in Los Angeles
19:00 Riyadh / 09:00 Los Angeles⚡ One side off-hours
⚠️ 3h after working hours in Riyadh
15:00 Riyadh / 05:00 Los Angeles⚡ One side off-hours
⚠️ 4h before working hours in Los Angeles
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
AST (Riyadh)
No upcoming public holidays this year.
Los Angeles7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
How to work with AST (Riyadh) and Los Angeles time zones
Teams in AST (Riyadh) (Saudi Arabia) and Los Angeles (USA) deal with a 10-hour gap that pushes their working days apart. Real-time meetings always require someone to stretch outside the standard 9–5.
💡 How to schedule across these time zones
⚡
16:00–17:00 in AST (Riyadh) corresponds to 06:00–07:00 in Los Angeles (3h before working hours in Los Angeles).
⚡
19:00–20:00 in AST (Riyadh) corresponds to 09:00–10:00 in Los Angeles (3h after working hours in Riyadh).
⚡
15:00–16:00 in AST (Riyadh) corresponds to 05:00–06:00 in Los Angeles (4h before working hours in Los Angeles).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any AST (Riyadh) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.