Atlanta to Colombo Time Difference
🇺🇸 Atlanta is currently 9.5 hours ahead of 🇱🇰 Colombo. This difference varies between 9.5h and 10.5h due to Daylight Saving Time.
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Atin 🇺🇸 Atlanta→it will be—in 🇱🇰 Colombo
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Difference
+9.5h
Business overlap
None
Distance
15,197 km
Approx. flight
17.9h
Hour-by-Hour: Atlanta to Colombo
| 🇺🇸 Atlanta | 🇱🇰 Colombo | 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)
Atlanta observes Daylight Saving Time, while Colombo does not. This causes the time difference to shift between 9.5 hours ahead and 10.5 hours ahead depending on the season. Currently, Atlanta is 9.5 hours ahead relative to Colombo.
Min difference
9.5h
Max difference
10.5h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Atlanta and Colombo. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Atlanta and Colombo?
The time difference between Atlanta and Colombo is currently 9.5 hours ahead. Atlanta uses EDT (UTC-4), while Colombo 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 Atlanta, what time is it in Colombo?
When it's 12:00 PM (noon) in Atlanta, it is 9:30 PM in Colombo. Use our calculator above to convert any other time.
Does the time difference between Atlanta and Colombo change?
Yes, the time difference changes throughout the year. Because Atlanta 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 Atlanta and Colombo?
There is no overlap between standard business hours (9 AM – 6 PM) in Atlanta and Colombo. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Atlanta ahead or behind Colombo?
Atlanta is currently 9.5 hours behind Colombo.
What time zone is Atlanta in?
Atlanta is in the America/New York time zone, currently using EDT (UTC-4). Atlanta observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Atlanta in Colombo?
When it is midnight (12:00 AM) in Atlanta, it is 9:30 AM in Colombo.