Colombo to Surabaya Time Difference
🇱🇰 Colombo is currently 1.5 hours ahead of 🇮🇩 Surabaya.
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Atin 🇱🇰 Colombo→it will be—in 🇮🇩 Surabaya
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Difference
+1.5h
Business overlap
7h
Distance
3,974 km
Approx. flight
4.7h
Hour-by-Hour: Colombo to Surabaya
| 🇱🇰 Colombo | 🇮🇩 Surabaya | Note |
|---|---|---|
| 12:00 AM | 1:30 AM | |
| 1:00 AM | 2:30 AM | |
| 2:00 AM | 3:30 AM | |
| 3:00 AM | 4:30 AM | |
| 4:00 AM | 5:30 AM | |
| 5:00 AM | 6:30 AM | |
| 6:00 AM | 7:30 AM | |
| 7:00 AM | 8:30 AM | |
| 8:00 AM | 9:30 AM | |
| 9:00 AM | 10:30 AM | |
| 10:00 AM | 11:30 AM | |
| 11:00 AM | 12:30 PM | |
| 12:00 PM | 1:30 PM | |
| 1:00 PM | 2:30 PM | |
| 2:00 PM | 3:30 PM | |
| 3:00 PM | 4:30 PM | |
| 4:00 PM | 5:30 PM | |
| 5:00 PM | 6:30 PM | |
| 6:00 PM | 7:30 PM | |
| 7:00 PM | 8:30 PM | |
| 8:00 PM | 9:30 PM | |
| 9:00 PM | 10:30 PM | |
| 10:00 PM | 11:30 PM | |
| 11:00 PM | 12:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Colombo nor Surabaya observes Daylight Saving Time. The time difference is always 1.5 hours ahead.
Best Meeting Times
There are 7 overlapping business hours between Colombo and Surabaya (9 AM – 6 PM in each city).
🇱🇰 Colombo
9:00 AM – 4:00 PM
🇮🇩 Surabaya
10:30 AM – 5:30 PM
Frequently Asked Questions
What is the time difference between Colombo and Surabaya?
The time difference between Colombo and Surabaya is currently 1.5 hours ahead. Colombo uses GMT+5:30 (UTC+5:30), while Surabaya uses GMT+7 (UTC+7).
When it's noon in Colombo, what time is it in Surabaya?
When it's 12:00 PM (noon) in Colombo, it is 1:30 PM in Surabaya. Use our calculator above to convert any other time.
Does the time difference between Colombo and Surabaya change?
No. The time difference between Colombo and Surabaya is always 1.5 hours ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Colombo and Surabaya?
The best time to call is between 9:00 AM and 4:00 PM in Colombo (which is 10:30 AM – 5:30 PM in Surabaya). This 7-hour window falls within business hours in both cities.
Is Colombo ahead or behind Surabaya?
Colombo is currently 1.5 hours behind Surabaya.
What time zone is Colombo in?
Colombo is in the Asia/Colombo time zone, currently using GMT+5:30 (UTC+5:30). Colombo does not observe Daylight Saving Time.
What time is midnight in Colombo in Surabaya?
When it is midnight (12:00 AM) in Colombo, it is 1:30 AM in Surabaya.