Riyadh to EDT
-7hRiyadh
ASTSOURCEEDT
EDTGreen rows indicate typical business hours (9 AM - 5 PM)
AST and EDT on the World Map
The map below highlights the AST (Arabia Standard Time) and EDT (Eastern Daylight Time) timezone regions across the globe.
AST – Arabia Standard Time
UTC+03:00Arabia Standard Time (AST, UTC+03:00) is the time zone for Saudi Arabia and the other Gulf states of the Arabian peninsula.
- •None of the Gulf states on Arabia Standard Time observe daylight saving.
- •AST is the same offset as Moscow Standard Time and East Africa Time.
- •Riyadh is one hour ahead of Central European Time in winter.
- •The AST abbreviation is shared with Atlantic Standard Time (UTC-04:00).
EDT – Eastern Daylight Time
UTC-04:00Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.
- •EDT is observed from the second Sunday of March to the first Sunday of November.
- •During EDT, the US East Coast is only 4 hours behind London (instead of 5).
- •Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.
About Riyadh
WikipediaRiyadh operates on Arabia Standard Time (AST), UTC+3. As OPEC's de facto capital and home to Tadawul, Riyadh time impacts global energy markets.
Riyadh is growing rapidly as part of Saudi Vision 2030 modernization.
Time Conversion Guide: Riyadh to EDT
Riyadh runs on Arabian Standard Time (AST) at UTC+03:00. EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. That puts Riyadh 7 hours behind EDT — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in Riyadh it is 2:00 AM in EDT. Midnight in Riyadh is 5:00 PM in EDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Riyadh to EDT time conversion table
| Riyadh (AST) | EDT (EDT) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert Riyadh to EDT time
- Scheduling a call from Riyadh to EDT: a 10:00 AM start in Riyadh lands at 3:00 AM in EDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Riyadh and EDT are inside the 9-to-5 working day between 4:00 PM and 5:00 PM AST time (9:00 AM–10:00 AM EDT). That is roughly 1 hours of usable overlap.
- Watching a live event or market open: Riyadh viewers need 2:00 AM in EDT to catch a 9:00 AM start there, and 7:00 AM if the event is anchored to Riyadh.
- Always state the zone abbreviation, not just the hour. "3:00 PM AST" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM AST as the recurring meeting window if you work primarily from Riyadh and need EDT colleagues present.
About AST (Arabia Standard Time)
Arabia Standard Time (AST) is fixed at UTC+03:00 all year across Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq and Yemen. None of these countries observes daylight saving time, so the offset never changes. The abbreviation collides with Atlantic Standard Time (UTC-04:00) used in eastern Canada and the Caribbean; this page covers the Arabian peninsula meaning. Arabia Standard Time is the same offset as Moscow Standard Time and East Africa Time, which makes scheduling with Europe straightforward — Riyadh is one hour ahead of Central European Time in winter and level with it during European summer time.
About EDT (Eastern Daylight Time)
Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.
Best time to call between Riyadh and EDT
Both Riyadh and EDT sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM AST, which is 9:00 AM–10:00 AM EDT. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Riyadh and EDT overlap for only 60 minutes (4:00 PM–5:00 PM AST), so meetings have to be booked precisely.
Riyadh is 7 hours behind EDT (AST UTC+03:00 → EDT UTC-04:00). The shared working window is 4:00 PM–5:00 PM AST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Riyadh
Does not observe DST
EDT
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Riyadh and EDT?
Riyadh (AST, UTC+03:00) is 7 hours behind EDT (EDT, UTC-04:00). The gap is currently -7h.
How do I convert Riyadh time to EDT time?
Add -7h to Riyadh local time. For example, 9:00 AM in Riyadh is 2:00 AM in EDT.
What time is it in EDT right now?
EDT uses EDT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from Riyadh.
What is the best time to call EDT from Riyadh?
Call between 4:00 PM and 5:00 PM AST — that maps to 9:00 AM–10:00 AM EDT and keeps both parties inside the working day.
Which is behind, Riyadh or EDT?
Riyadh is 7 hours behind EDT. When it is 12:00 PM in Riyadh it is 5:00 AM in EDT.
Do Riyadh and EDT use different time zones?
Riyadh (Saudi Arabia) uses AST at UTC+03:00, while EDT uses EDT at UTC-04:00. The IANA identifiers are Asia/Riyadh and America/New_York.
Does daylight saving time affect the Riyadh–EDT difference?
Neither zone observes daylight saving time, so the -7h offset between Riyadh and EDT is fixed all year.
Which other cities share Riyadh's time zone?
AST also covers Riyadh, Jeddah, Doha, Kuwait City, Baghdad.
Which countries use AST, Riyadh's zone?
AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.
Is there a day difference between Riyadh and EDT?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between Riyadh and EDT?
EDT is -7h from Riyadh.
What timezone is Riyadh in?
Riyadh operates on Arabia Standard Time (AST), UTC+3. As OPEC's de facto capital and home to Tadawul, Riyadh time impacts global energy markets.
What timezone is EDT in?
EDT operates on its local timezone.
What are the business hours in Riyadh?
Standard business hours in Riyadh are 8:00 AM - 4:00 PM AST (Sunday-Thursday).
Which countries use AST (Arabia Standard Time)?
AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.
Does AST observe daylight saving time?
No, AST does not observe daylight saving time and remains at UTC+03:00 year-round.
What are some interesting facts about AST?
None of the Gulf states on Arabia Standard Time observe daylight saving. AST is the same offset as Moscow Standard Time and East Africa Time.
Which cities are in the EDT timezone?
Major cities in the EDT timezone include New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EDT?
Eastern Daylight Time (EDT) is at UTC-04:00. During daylight saving time, it shifts to EST.
What should I know about the EDT timezone?
EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).
When is it midnight in Riyadh, what time is it in EDT?
When it is 12:00 AM (midnight) in Riyadh (AST), it is -7h later in EDT (EDT).
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