Buenos Aires zone
GMT-3 (GMT-3)
Washington D.C. zone
EDT (GMT-4)
Difference
1 hour behind Buenos Aires
Business overlap
7h (9-5 windows)
Working hours overlap
Each cell is one hour in Buenos Aires. Filled cells mark when 9 AM – 5 PM in Buenos Aires and Washington D.C. both apply.
7 hours per day
- Buenos Aires
- GMT-3
- Washington D.C.
- GMT-4
- Difference
- -1h
- Business overlap
- 7h
Hour-by-hour conversion
Each row shows the matching local time in Washington D.C. for an hour in Buenos Aires.
| Buenos Aires | Washington D.C. | Day | Window |
|---|---|---|---|
| 12:00 AM | 11:00 PM | previous day | — |
| 1:00 AM | 12:00 AM | same day | — |
| 2:00 AM | 1:00 AM | same day | — |
| 3:00 AM | 2:00 AM | same day | — |
| 4:00 AM | 3:00 AM | same day | — |
| 5:00 AM | 4:00 AM | same day | — |
| 6:00 AM | 5:00 AM | same day | — |
| 7:00 AM | 6:00 AM | same day | — |
| 8:00 AM | 7:00 AM | same day | — |
| 9:00 AM | 8:00 AM | same day | — |
| 10:00 AM | 9:00 AM | same day | Both 9-5 |
| 11:00 AM | 10:00 AM | same day | Both 9-5 |
| 12:00 PM | 11:00 AM | same day | Both 9-5 |
| 1:00 PM | 12:00 PM | same day | Both 9-5 |
| 2:00 PM | 1:00 PM | same day | Both 9-5 |
| 3:00 PM | 2:00 PM | same day | Both 9-5 |
| 4:00 PM | 3:00 PM | same day | Both 9-5 |
| 5:00 PM | 4:00 PM | same day | — |
| 6:00 PM | 5:00 PM | same day | — |
| 7:00 PM | 6:00 PM | same day | — |
| 8:00 PM | 7:00 PM | same day | — |
| 9:00 PM | 8:00 PM | same day | — |
| 10:00 PM | 9:00 PM | same day | — |
| 11:00 PM | 10:00 PM | same day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 10:00 AM – 5:00 PM in Buenos Aires time. That gives you 7 hours per workday for live meetings.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Buenos Aires time to Washington D.C. time
Buenos Aires follows the America/Argentina/Buenos_Aires time zone (currently GMT-3, GMT-3), while Washington D.C. follows America/New_York (currently EDT, GMT-4). Washington D.C. is 1 hour behind Buenos Aires right now.
Washington D.C. observes daylight saving time, while Buenos Aires does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Buenos Aires
Does not observe daylight saving time.
Washington D.C.
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
Washington D.C. to Buenos Aires
Open the converter
Plan a meeting between Buenos Aires and Washington D.C.
More conversions from Buenos Aires
Frequently asked questions
- How many hours is Buenos Aires from Washington D.C.?
- Washington D.C. is 1 hour behind Buenos Aires right now.
- What time is 9:00 AM Buenos Aires in Washington D.C.?
- 9:00 AM in Buenos Aires is 8:00 AM in Washington D.C..
- What time is 5:00 PM Buenos Aires in Washington D.C.?
- 5:00 PM in Buenos Aires is 4:00 PM in Washington D.C..
- When do Buenos Aires and Washington D.C. business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 7 hours, roughly from 10:00 AM to 5:00 PM in Buenos Aires time.
- Does daylight saving time change the difference between Buenos Aires and Washington D.C.?
- Washington D.C. observes daylight saving time while Buenos Aires does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Buenos Aires
Local time page
Time in Washington D.C.