Kolkata to Guam Time Difference
🇮🇳 Kolkata is currently 4.5 hours ahead of 🇬🇺 Guam.
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Atin 🇮🇳 Kolkata→it will be—in 🇬🇺 Guam
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Difference
+4.5h
Business overlap
4h
Distance
6,020 km
Approx. flight
7.1h
Hour-by-Hour: Kolkata to Guam
| 🇮🇳 Kolkata | 🇬🇺 Guam | Note |
|---|---|---|
| 12:00 AM | 4:30 AM | |
| 1:00 AM | 5:30 AM | |
| 2:00 AM | 6:30 AM | |
| 3:00 AM | 7:30 AM | |
| 4:00 AM | 8:30 AM | |
| 5:00 AM | 9:30 AM | |
| 6:00 AM | 10:30 AM | |
| 7:00 AM | 11:30 AM | |
| 8:00 AM | 12:30 PM | |
| 9:00 AM | 1:30 PM | |
| 10:00 AM | 2:30 PM | |
| 11:00 AM | 3:30 PM | |
| 12:00 PM | 4:30 PM | |
| 1:00 PM | 5:30 PM | |
| 2:00 PM | 6:30 PM | |
| 3:00 PM | 7:30 PM | |
| 4:00 PM | 8:30 PM | |
| 5:00 PM | 9:30 PM | |
| 6:00 PM | 10:30 PM | |
| 7:00 PM | 11:30 PM | |
| 8:00 PM | 12:30 AM(next day) | Next day |
| 9:00 PM | 1:30 AM(next day) | Next day |
| 10:00 PM | 2:30 AM(next day) | Next day |
| 11:00 PM | 3:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Kolkata nor Guam observes Daylight Saving Time. The time difference is always 4.5 hours ahead.
Best Meeting Times
There are 4 overlapping business hours between Kolkata and Guam (9 AM – 6 PM in each city).
🇮🇳 Kolkata
9:00 AM – 1:00 PM
🇬🇺 Guam
1:30 PM – 5:30 PM
Frequently Asked Questions
What is the time difference between Kolkata and Guam?
The time difference between Kolkata and Guam is currently 4.5 hours ahead. Kolkata uses GMT+5:30 (UTC+5:30), while Guam uses GMT+10 (UTC+10).
When it's noon in Kolkata, what time is it in Guam?
When it's 12:00 PM (noon) in Kolkata, it is 4:30 PM in Guam. Use our calculator above to convert any other time.
Does the time difference between Kolkata and Guam change?
No. The time difference between Kolkata and Guam is always 4.5 hours ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Kolkata and Guam?
The best time to call is between 9:00 AM and 1:00 PM in Kolkata (which is 1:30 PM – 5:30 PM in Guam). This 4-hour window falls within business hours in both cities.
Is Kolkata ahead or behind Guam?
Kolkata is currently 4.5 hours behind Guam.
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 Guam?
When it is midnight (12:00 AM) in Kolkata, it is 4:30 AM in Guam.