Buenos Aires zone
GMT-3 (GMT-3)
Kolkata zone
GMT+5:30 (GMT+5:30)
Difference
8h 30m ahead of Buenos Aires
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Buenos Aires. Filled cells mark when 9 AM – 5 PM in Buenos Aires and Kolkata both apply.
0 hours per day
- Buenos Aires
- GMT-3
- Kolkata
- GMT+5:30
- Difference
- +8h 30m
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Kolkata for an hour in Buenos Aires.
| Buenos Aires | Kolkata | Day | Window |
|---|---|---|---|
| 12:00 AM | 8:30 AM | same day | — |
| 1:00 AM | 9:30 AM | same day | — |
| 2:00 AM | 10:30 AM | same day | — |
| 3:00 AM | 11:30 AM | same day | — |
| 4:00 AM | 12:30 PM | same day | — |
| 5:00 AM | 1:30 PM | same day | — |
| 6:00 AM | 2:30 PM | same day | — |
| 7:00 AM | 3:30 PM | same day | — |
| 8:00 AM | 4:30 PM | same day | — |
| 9:00 AM | 5:30 PM | same day | — |
| 10:00 AM | 6:30 PM | same day | — |
| 11:00 AM | 7:30 PM | same day | — |
| 12:00 PM | 8:30 PM | same day | — |
| 1:00 PM | 9:30 PM | same day | — |
| 2:00 PM | 10:30 PM | same day | — |
| 3:00 PM | 11:30 PM | same day | — |
| 4:00 PM | 12:30 AM | next day | — |
| 5:00 PM | 1:30 AM | next day | — |
| 6:00 PM | 2:30 AM | next day | — |
| 7:00 PM | 3:30 AM | next day | — |
| 8:00 PM | 4:30 AM | next day | — |
| 9:00 PM | 5:30 AM | next day | — |
| 10:00 PM | 6:30 AM | next day | — |
| 11:00 PM | 7:30 AM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Buenos Aires and Kolkata do not overlap. Plan calls for early Buenos Aires morning or late Buenos Aires evening, and rotate the burden between sides.
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 Kolkata time
Buenos Aires follows the America/Argentina/Buenos_Aires time zone (currently GMT-3, GMT-3), while Kolkata follows Asia/Kolkata (currently GMT+5:30, GMT+5:30). Kolkata is 8h 30m ahead of Buenos Aires right now.
Neither city observes daylight saving time, so the offset between them is the same all year.
Reverse this conversion
Kolkata to Buenos Aires
Open the converter
Plan a meeting between Buenos Aires and Kolkata
More conversions from Buenos Aires
Frequently asked questions
- How many hours is Buenos Aires from Kolkata?
- Kolkata is 8h 30m ahead of Buenos Aires right now.
- What time is 9:00 AM Buenos Aires in Kolkata?
- 9:00 AM in Buenos Aires is 5:30 PM in Kolkata.
- What time is 5:00 PM Buenos Aires in Kolkata?
- 5:00 PM in Buenos Aires is 1:30 AM (next day) in Kolkata.
- When do Buenos Aires and Kolkata business hours overlap?
- Standard 9 AM - 5 PM working hours in Buenos Aires and Kolkata do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Buenos Aires and Kolkata?
- Neither Buenos Aires nor Kolkata observes daylight saving time, so the offset between them is constant year-round.
Local time page
Time in Buenos Aires
Local time page
Time in Kolkata