Offset
The time difference between Eastern Time and Dammam is 7 hours.
Eastern Time (EDT) is behind Dammam (AST).
EDT: UTC-4
AST: UTC+3
Eastern Time is currently observing daylight saving time; Dammam is not.
When to schedule
Business-hours overlap: 9 AM–10 AM in Eastern Time (4 PM–5 PM in Dammam).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Eastern Time (4:00 PM Dammam).
This window may shift by an hour during daylight saving time.
Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Eastern Time is also known as EST, or EDT. To call United States, dial +1.
Dammam uses Arabia Standard Time (AST). To call Saudi Arabia, dial +966.
Dammam is approximately 6,600 miles northeast of Eastern Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| EST | Dammam | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Eastern Time observes daylight saving time; Dammam does not. The offset between the two zones changes when Eastern Time transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:25 AM
- Sunset
- 8:27 PM
- Day length
- 15h 2m
- Sunrise
- 4:47 AM
- Sunset
- 6:33 PM
- Day length
- 13h 46m
Daylight overlap: 6h 7m — 5:25 AM–11:33 AM in Eastern Time (12:25 PM–6:33 PM in Dammam). Both locations are in daylight during this window.
Cities in these zones
Cities in Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Eastern Time
- EWR
- HPN
- JFK
- LGA
- TEB
- ILG
- PHL
- TTN
- CLT
- USA
Airports in Arabia Standard Time
- JED
- RUH
- MED
- DMM
Related conversions
Common conversions
- What is 9:00 am EST in Dammam?
- 9:00 am EST is 4:00 pm Dammam.
- What is 12:00 pm EST in Dammam?
- 12:00 pm EST is 7:00 pm Dammam.
- What is 12:30 pm EST in Dammam?
- 12:30 pm EST is 7:30 pm Dammam.
- What is 2:00 pm EST in Dammam?
- 2:00 pm EST is 9:00 pm Dammam.
- What is 5:00 pm EST in Dammam?
- 5:00 pm EST is 12:00 am Dammam, the next day.
- What is 11:30 pm EST in Dammam?
- 11:30 pm EST is 6:30 am Dammam, the next day.