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