Philadelphia to Kolkata Time Difference
🇺🇸 Philadelphia is currently 9.5 hours ahead of 🇮🇳 Kolkata. This difference varies between 9.5h and 10.5h due to Daylight Saving Time.
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Difference
+9.5h
Business overlap
None
Distance
12,856 km
Approx. flight
15.1h
Hour-by-Hour: Philadelphia to Kolkata
| 🇺🇸 Philadelphia | 🇮🇳 Kolkata | Note |
|---|---|---|
| 12:00 AM | 9:30 AM | |
| 1:00 AM | 10:30 AM | |
| 2:00 AM | 11:30 AM | |
| 3:00 AM | 12:30 PM | |
| 4:00 AM | 1:30 PM | |
| 5:00 AM | 2:30 PM | |
| 6:00 AM | 3:30 PM | |
| 7:00 AM | 4:30 PM | |
| 8:00 AM | 5:30 PM | |
| 9:00 AM | 6:30 PM | |
| 10:00 AM | 7:30 PM | |
| 11:00 AM | 8:30 PM | |
| 12:00 PM | 9:30 PM | |
| 1:00 PM | 10:30 PM | |
| 2:00 PM | 11:30 PM | |
| 3:00 PM | 12:30 AM(next day) | Next day |
| 4:00 PM | 1:30 AM(next day) | Next day |
| 5:00 PM | 2:30 AM(next day) | Next day |
| 6:00 PM | 3:30 AM(next day) | Next day |
| 7:00 PM | 4:30 AM(next day) | Next day |
| 8:00 PM | 5:30 AM(next day) | Next day |
| 9:00 PM | 6:30 AM(next day) | Next day |
| 10:00 PM | 7:30 AM(next day) | Next day |
| 11:00 PM | 8:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Philadelphia observes Daylight Saving Time, while Kolkata does not. This causes the time difference to shift between 9.5 hours ahead and 10.5 hours ahead depending on the season. Currently, Philadelphia is 9.5 hours ahead relative to Kolkata.
Min difference
9.5h
Max difference
10.5h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Philadelphia and Kolkata. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Philadelphia and Kolkata?
The time difference between Philadelphia and Kolkata is currently 9.5 hours ahead. Philadelphia uses EDT (UTC-4), while Kolkata uses GMT+5:30 (UTC+5:30). This difference varies seasonally due to Daylight Saving Time, ranging from 9.5 hours ahead to 10.5 hours ahead.
When it's noon in Philadelphia, what time is it in Kolkata?
When it's 12:00 PM (noon) in Philadelphia, it is 9:30 PM in Kolkata. Use our calculator above to convert any other time.
Does the time difference between Philadelphia and Kolkata change?
Yes, the time difference changes throughout the year. Because Philadelphia observes Daylight Saving Time, the offset shifts between 9.5 hours ahead and 10.5 hours ahead at different times of the year.
What are the best times to schedule a call between Philadelphia and Kolkata?
There is no overlap between standard business hours (9 AM – 6 PM) in Philadelphia and Kolkata. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Philadelphia ahead or behind Kolkata?
Philadelphia is currently 9.5 hours behind Kolkata.
What time zone is Philadelphia in?
Philadelphia is in the America/New York time zone, currently using EDT (UTC-4). Philadelphia observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Philadelphia in Kolkata?
When it is midnight (12:00 AM) in Philadelphia, it is 9:30 AM in Kolkata.