Washington D.C. zone
EDT (GMT-4)
Buenos Aires zone
GMT-3 (GMT-3)
Difference
1 hour ahead of Washington D.C.
Business overlap
7h (9-5 windows)
Working hours overlap
Each cell is one hour in Washington D.C.. Filled cells mark when 9 AM – 5 PM in Washington D.C. and Buenos Aires both apply.
7 hours per day
- Washington D.C.
- GMT-4
- Buenos Aires
- GMT-3
- Difference
- +1h
- Business overlap
- 7h
Hour-by-hour conversion
Each row shows the matching local time in Buenos Aires for an hour in Washington D.C..
| Washington D.C. | Buenos Aires | Day | Window |
|---|---|---|---|
| 12:00 AM | 1:00 AM | same day | — |
| 1:00 AM | 2:00 AM | same day | — |
| 2:00 AM | 3:00 AM | same day | — |
| 3:00 AM | 4:00 AM | same day | — |
| 4:00 AM | 5:00 AM | same day | — |
| 5:00 AM | 6:00 AM | same day | — |
| 6:00 AM | 7:00 AM | same day | — |
| 7:00 AM | 8:00 AM | same day | — |
| 8:00 AM | 9:00 AM | same day | — |
| 9:00 AM | 10:00 AM | same day | Both 9-5 |
| 10:00 AM | 11:00 AM | same day | Both 9-5 |
| 11:00 AM | 12:00 PM | same day | Both 9-5 |
| 12:00 PM | 1:00 PM | same day | Both 9-5 |
| 1:00 PM | 2:00 PM | same day | Both 9-5 |
| 2:00 PM | 3:00 PM | same day | Both 9-5 |
| 3:00 PM | 4:00 PM | same day | Both 9-5 |
| 4:00 PM | 5:00 PM | same day | — |
| 5:00 PM | 6:00 PM | same day | — |
| 6:00 PM | 7:00 PM | same day | — |
| 7:00 PM | 8:00 PM | same day | — |
| 8:00 PM | 9:00 PM | same day | — |
| 9:00 PM | 10:00 PM | same day | — |
| 10:00 PM | 11:00 PM | same day | — |
| 11:00 PM | 12:00 AM | next day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 9:00 AM – 4:00 PM in Washington D.C. 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 Washington D.C. time to Buenos Aires time
Washington D.C. follows the America/New_York time zone (currently EDT, GMT-4), while Buenos Aires follows America/Argentina/Buenos_Aires (currently GMT-3, GMT-3). Buenos Aires is 1 hour ahead of Washington D.C. 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
Washington D.C.
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Buenos Aires
Does not observe daylight saving time.
Reverse this conversion
Buenos Aires to Washington D.C.
Open the converter
Plan a meeting between Washington D.C. and Buenos Aires
More conversions from Washington D.C.
Frequently asked questions
- How many hours is Washington D.C. from Buenos Aires?
- Buenos Aires is 1 hour ahead of Washington D.C. right now.
- What time is 9:00 AM Washington D.C. in Buenos Aires?
- 9:00 AM in Washington D.C. is 10:00 AM in Buenos Aires.
- What time is 5:00 PM Washington D.C. in Buenos Aires?
- 5:00 PM in Washington D.C. is 6:00 PM in Buenos Aires.
- When do Washington D.C. and Buenos Aires business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 7 hours, roughly from 9:00 AM to 4:00 PM in Washington D.C. time.
- Does daylight saving time change the difference between Washington D.C. and Buenos Aires?
- 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 Washington D.C.
Local time page
Time in Buenos Aires