Tbilisi to Ulsan: time difference
Ulsan is 5 h ahead of Tbilisi. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tbilisi 22:47 10:47 PM Ulsan 03:47 3:47 AM You –:–
22:47 10:47 PM
Georgia Standard Time · UTC+4
☀️ 07:15 · 🌙 18:18
03:47 3:47 AM
Korean Standard Time · UTC+9
☀️ 06:32 · 🌙 17:46
·
+5 h
Ulsan is 5 h ahead of Tbilisi.
When you, Tbilisi and Ulsan are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇪 Tbilisi
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
🇰🇷 Ulsan
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇰🇷 Ulsan |
|---|---|---|
| Local time | 22:47 | 03:47 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Georgia Standard Time | Korean Standard Time |
| UTC offset | UTC+4 | UTC+9 |
| Offset from Tbilisi | — | +5 h |
| IANA zone | Asia/Tbilisi | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:15 | 06:32 |
| Sunset | 18:18 | 17:46 |
| Daylight | 11 h 3 min | 11 h 14 min |
| People on this clock | 1,241,700 | 1,129,827 |
Compare Tbilisi with another city
More comparisons with Tbilisi: the time zones next to it and the far side of the clock.
Big time differences
Tbilisi and Ulsan: common questions
How far ahead of Tbilisi is Ulsan?
Ulsan is 5 hours ahead of Tbilisi: UTC+9 against UTC+4.
What time is it in Ulsan when it is 9:00 AM in Tbilisi?
When it is 9:00 AM in Tbilisi, it is 2:00 PM in Ulsan.
What time is it in Ulsan at the end of the working day in Tbilisi?
The working day in Tbilisi ends at 6:00 PM; in Ulsan it is 11:00 PM at that moment.
When do working hours in Tbilisi and in Ulsan overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 1:00 PM in Tbilisi, which is 2:00 PM to 6:00 PM in Ulsan.
When does the date change in Ulsan compared with Tbilisi?
The new day starts in Ulsan earlier: at 7:00 PM in Tbilisi it is already midnight there. Until 5:00 AM in Ulsan, Tbilisi is still on the previous day.
Does the time difference between Tbilisi and Ulsan change?
No. Neither place uses daylight saving time, so the difference stays 5 hours all year.
