Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between ast and edt?
Arabia Standard Time (ast) is UTC+3 and Eastern Daylight Time (edt) is UTC-4. The difference between them is 7 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 edt used?
Eastern Daylight Time (edt) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
How do I convert ast to edt?
Use the interactive converter above. Drag the time slider to any ast time and the edt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
AST (Riyadh) is 7 hours ahead of EDT (New York). When it's noon in AST (Riyadh), it's 05:00 in EDT (New York).
AST (Riyadh) runs on Asia/Riyadh; EDT (New York) runs on America/New_York. Together they are 7 hours apart.
Shared working hours
Both AST (Riyadh) and EDT (New York) are simultaneously in business hours for 1 hour per day (assuming standard 9:00–17:00 working hours).
00:0006:0012:0018:0024:00
AST (Riyadh)
EDT (New York)
Overlap (1h)
Best call times between these locations
There is a 1-hour daily window where both locations are in business hours.
16:00 Riyadh / 09:00 New York✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Public holidays this year
AST (Riyadh)
No upcoming public holidays this year.
EDT (New York)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
AST (Riyadh) and EDT (New York) — practical scheduling
AST (Riyadh) (Saudi Arabia) and EDT (New York) (USA) are 7 hours apart. With a 1-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.
💡 Practical scheduling guidelines
✅
If you are in AST (Riyadh), aim for 16:00–17:00, which corresponds to 09:00–10:00 in EDT (New York) — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am AST (Riyadh)".