Medellin to Surabaya: time difference
Surabaya is 12 h ahead of Medellin. Live clocks for both, the working hours they share, and how each one sits against your own time.
+12 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Medellin 22:51 10:51 PM Surabaya 10:51 10:51 AM You –:–
22:51 10:51 PM
Colombia Standard Time · UTC-5
☀️ 05:50 · 🌙 17:51
10:51 10:51 AM
Western Indonesia Time · UTC+7
☀️ 05:10 · 🌙 17:24
·
+12 h
Surabaya is 12 h ahead of Medellin.
When you, Medellin and Surabaya are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇴 Medellin
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇮🇩 Surabaya
12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇴 Medellin | 🇮🇩 Surabaya |
|---|---|---|
| Local time | 22:51 | 10:51 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Colombia Standard Time | Western Indonesia Time |
| UTC offset | UTC-5 | UTC+7 |
| Offset from Medellin | — | +12 h |
| IANA zone | America/Bogota | Asia/Jakarta |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:50 | 05:10 |
| Sunset | 17:51 | 17:24 |
| Daylight | 12 h 1 min | 12 h 13 min |
| People on this clock | 2,486,723 | 2,765,487 |
Compare Medellin with another city
More comparisons with Medellin: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Medellin and Surabaya: common questions
How many hours ahead of Medellin is Surabaya?
The clocks in Surabaya are 12 hours ahead of those in Medellin (UTC+7 and UTC−5).
What time is it in Surabaya at the start of the working day in Medellin?
The working day in Medellin starts at 9:00 AM; in Surabaya it is 9:00 PM at that moment.
What time is it in Surabaya at the end of the working day in Medellin?
The working day in Medellin ends at 6:00 PM; in Surabaya it is 6:00 AM (the next day) at that moment.
Is there a time when both Medellin and Surabaya are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Medellin at 9:00 AM, it is 9:00 PM in Surabaya; the day in Surabaya starts at 9:00 PM (the previous day) in Medellin time.
When is it already the next day in Surabaya?
From 12:00 PM in Medellin it is already the next day in Surabaya. The other way round, until 12:00 PM in Surabaya it is still the previous day in Medellin.
Does the time gap between Medellin and Surabaya change during the year?
No, the clocks change neither in Medellin nor in Surabaya, so the gap is 12 hours all year round.
