Surabaya to Sydney Time Difference
🇮🇩 Surabaya is currently 4 hours ahead of 🇦🇺 Sydney. This difference varies between 3h and 4h due to Daylight Saving Time.
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Atin 🇮🇩 Surabaya→it will be—in 🇦🇺 Sydney
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Difference
+4h
Business overlap
5h
Distance
4,929 km
Approx. flight
5.8h
Hour-by-Hour: Surabaya to Sydney
| 🇮🇩 Surabaya | 🇦🇺 Sydney | Note |
|---|---|---|
| 12:00 AM | 4:00 AM | |
| 1:00 AM | 5:00 AM | |
| 2:00 AM | 6:00 AM | |
| 3:00 AM | 7:00 AM | |
| 4:00 AM | 8:00 AM | |
| 5:00 AM | 9:00 AM | |
| 6:00 AM | 10:00 AM | |
| 7:00 AM | 11:00 AM | |
| 8:00 AM | 12:00 PM | |
| 9:00 AM | 1:00 PM | |
| 10:00 AM | 2:00 PM | |
| 11:00 AM | 3:00 PM | |
| 12:00 PM | 4:00 PM | |
| 1:00 PM | 5:00 PM | |
| 2:00 PM | 6:00 PM | |
| 3:00 PM | 7:00 PM | |
| 4:00 PM | 8:00 PM | |
| 5:00 PM | 9:00 PM | |
| 6:00 PM | 10:00 PM | |
| 7:00 PM | 11:00 PM | |
| 8:00 PM | 12:00 AM(next day) | Next day |
| 9:00 PM | 1:00 AM(next day) | Next day |
| 10:00 PM | 2:00 AM(next day) | Next day |
| 11:00 PM | 3:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Sydney observes Daylight Saving Time, while Surabaya does not. This causes the time difference to shift between 3 hours ahead and 4 hours ahead depending on the season. Currently, Surabaya is 4 hours ahead relative to Sydney.
Min difference
3h
Max difference
4h
Best Meeting Times
There are 5 overlapping business hours between Surabaya and Sydney (9 AM – 6 PM in each city).
🇮🇩 Surabaya
9:00 AM – 2:00 PM
🇦🇺 Sydney
1:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Surabaya and Sydney?
The time difference between Surabaya and Sydney is currently 4 hours ahead. Surabaya uses GMT+7 (UTC+7), while Sydney uses GMT+11 (UTC+11). This difference varies seasonally due to Daylight Saving Time, ranging from 3 hours ahead to 4 hours ahead.
When it's noon in Surabaya, what time is it in Sydney?
When it's 12:00 PM (noon) in Surabaya, it is 4:00 PM in Sydney. Use our calculator above to convert any other time.
Does the time difference between Surabaya and Sydney change?
Yes, the time difference changes throughout the year. Because Sydney observes Daylight Saving Time, the offset shifts between 3 hours ahead and 4 hours ahead at different times of the year.
What are the best times to schedule a call between Surabaya and Sydney?
The best time to call is between 9:00 AM and 2:00 PM in Surabaya (which is 1:00 PM – 6:00 PM in Sydney). This 5-hour window falls within business hours in both cities.
Is Surabaya ahead or behind Sydney?
Surabaya is currently 4 hours behind Sydney.
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 Sydney?
When it is midnight (12:00 AM) in Surabaya, it is 4:00 AM in Sydney.