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