Cairo zone
GMT+3 (GMT+3)
Buenos Aires zone
GMT-3 (GMT-3)
Difference
6 hours behind Cairo
Business overlap
2h (9-5 windows)
Working hours overlap
Each cell is one hour in Cairo. Filled cells mark when 9 AM – 5 PM in Cairo and Buenos Aires both apply.
2 hours per day
- Cairo
- GMT+3
- Buenos Aires
- GMT-3
- Difference
- -6h
- Business overlap
- 2h
Hour-by-hour conversion
Each row shows the matching local time in Buenos Aires for an hour in Cairo.
| Cairo | Buenos Aires | Day | Window |
|---|---|---|---|
| 12:00 AM | 6:00 PM | previous day | — |
| 1:00 AM | 7:00 PM | previous day | — |
| 2:00 AM | 8:00 PM | previous day | — |
| 3:00 AM | 9:00 PM | previous day | — |
| 4:00 AM | 10:00 PM | previous day | — |
| 5:00 AM | 11:00 PM | previous day | — |
| 6:00 AM | 12:00 AM | same day | — |
| 7:00 AM | 1:00 AM | same day | — |
| 8:00 AM | 2:00 AM | same day | — |
| 9:00 AM | 3:00 AM | same day | — |
| 10:00 AM | 4:00 AM | same day | — |
| 11:00 AM | 5:00 AM | same day | — |
| 12:00 PM | 6:00 AM | same day | — |
| 1:00 PM | 7:00 AM | same day | — |
| 2:00 PM | 8:00 AM | same day | — |
| 3:00 PM | 9:00 AM | same day | Both 9-5 |
| 4:00 PM | 10:00 AM | same day | Both 9-5 |
| 5:00 PM | 11:00 AM | same day | — |
| 6:00 PM | 12:00 PM | same day | — |
| 7:00 PM | 1:00 PM | same day | — |
| 8:00 PM | 2:00 PM | same day | — |
| 9:00 PM | 3:00 PM | same day | — |
| 10:00 PM | 4:00 PM | same day | — |
| 11:00 PM | 5:00 PM | same day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 3:00 PM – 5:00 PM in Cairo time. That gives you 2 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 Cairo time to Buenos Aires time
Cairo follows the Africa/Cairo time zone (currently GMT+3, GMT+3), while Buenos Aires follows America/Argentina/Buenos_Aires (currently GMT-3, GMT-3). Buenos Aires is 6 hours behind Cairo right now.
Cairo 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
Cairo
- Spring forward · Thursday, April 23, 2026
- Fall back · Thursday, October 29, 2026
Buenos Aires
Does not observe daylight saving time.
Reverse this conversion
Buenos Aires to Cairo
Open the converter
Plan a meeting between Cairo and Buenos Aires
More conversions from Cairo
Frequently asked questions
- How many hours is Cairo from Buenos Aires?
- Buenos Aires is 6 hours behind Cairo right now.
- What time is 9:00 AM Cairo in Buenos Aires?
- 9:00 AM in Cairo is 3:00 AM in Buenos Aires.
- What time is 5:00 PM Cairo in Buenos Aires?
- 5:00 PM in Cairo is 11:00 AM in Buenos Aires.
- When do Cairo and Buenos Aires business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 2 hours, roughly from 3:00 PM to 5:00 PM in Cairo time.
- Does daylight saving time change the difference between Cairo and Buenos Aires?
- Cairo 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 Cairo
Local time page
Time in Buenos Aires