Kolkata to Boston Time Difference
🇮🇳 Kolkata is currently 9.5 hours behind of 🇺🇸 Boston. This difference varies between 10.5h and 9.5h due to Daylight Saving Time.
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Atin 🇮🇳 Kolkata→it will be—in 🇺🇸 Boston
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Difference
-9.5h
Business overlap
None
Distance
12,492 km
Approx. flight
14.7h
Hour-by-Hour: Kolkata to Boston
| 🇮🇳 Kolkata | 🇺🇸 Boston | Note |
|---|---|---|
| 12:00 AM | 2:30 PM(prev day) | Previous day |
| 1:00 AM | 3:30 PM(prev day) | Previous day |
| 2:00 AM | 4:30 PM(prev day) | Previous day |
| 3:00 AM | 5:30 PM(prev day) | Previous day |
| 4:00 AM | 6:30 PM(prev day) | Previous day |
| 5:00 AM | 7:30 PM(prev day) | Previous day |
| 6:00 AM | 8:30 PM(prev day) | Previous day |
| 7:00 AM | 9:30 PM(prev day) | Previous day |
| 8:00 AM | 10:30 PM(prev day) | Previous day |
| 9:00 AM | 11:30 PM(prev day) | Previous day |
| 10:00 AM | 12:30 AM | |
| 11:00 AM | 1:30 AM | |
| 12:00 PM | 2:30 AM | |
| 1:00 PM | 3:30 AM | |
| 2:00 PM | 4:30 AM | |
| 3:00 PM | 5:30 AM | |
| 4:00 PM | 6:30 AM | |
| 5:00 PM | 7:30 AM | |
| 6:00 PM | 8:30 AM | |
| 7:00 PM | 9:30 AM | |
| 8:00 PM | 10:30 AM | |
| 9:00 PM | 11:30 AM | |
| 10:00 PM | 12:30 PM | |
| 11:00 PM | 1:30 PM |
Daylight Saving Time (DST)
Boston observes Daylight Saving Time, while Kolkata does not. This causes the time difference to shift between 10.5 hours behind and 9.5 hours behind depending on the season. Currently, Kolkata is 9.5 hours behind relative to Boston.
Min difference
10.5h
Max difference
9.5h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Kolkata and Boston. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Kolkata and Boston?
The time difference between Kolkata and Boston is currently 9.5 hours behind. Kolkata uses GMT+5:30 (UTC+5:30), while Boston uses EDT (UTC-4). This difference varies seasonally due to Daylight Saving Time, ranging from 10.5 hours behind to 9.5 hours behind.
When it's noon in Kolkata, what time is it in Boston?
When it's 12:00 PM (noon) in Kolkata, it is 2:30 AM in Boston. Use our calculator above to convert any other time.
Does the time difference between Kolkata and Boston change?
Yes, the time difference changes throughout the year. Because Boston observes Daylight Saving Time, the offset shifts between 10.5 hours behind and 9.5 hours behind at different times of the year.
What are the best times to schedule a call between Kolkata and Boston?
There is no overlap between standard business hours (9 AM – 6 PM) in Kolkata and Boston. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Kolkata ahead or behind Boston?
Kolkata is currently 9.5 hours ahead of Boston.
What time zone is Kolkata in?
Kolkata is in the Asia/Kolkata time zone, currently using GMT+5:30 (UTC+5:30). Kolkata does not observe Daylight Saving Time.
What time is midnight in Kolkata in Boston?
When it is midnight (12:00 AM) in Kolkata, it is 2:30 PM in Boston.