Nosara to Seongnam: time difference
Seongnam is 15 h ahead of Nosara. Live clocks for both, the working hours they share, and how each one sits against your own time.
+15 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Nosara 16:30 4:30 PM Seongnam 07:30 7:30 AM You –:–
16:30 4:30 PM
Central Standard Time · UTC-6
☀️ 05:32 · 🌙 17:25
07:30 7:30 AM
Korean Standard Time · UTC+9
☀️ 06:42 · 🌙 17:52
·
+15 h
Seongnam is 15 h ahead of Nosara.
When you, Nosara and Seongnam are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇷 Nosara
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
🇰🇷 Seongnam
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 12 12 PM 13 1 PM 14 2 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇷 Nosara | 🇰🇷 Seongnam |
|---|---|---|
| Local time | 16:30 | 07:30 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Standard Time | Korean Standard Time |
| UTC offset | UTC-6 | UTC+9 |
| Offset from Nosara | — | +15 h |
| IANA zone | America/Costa Rica | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:32 | 06:42 |
| Sunset | 17:25 | 17:52 |
| Daylight | 11 h 54 min | 11 h 10 min |
| People on this clock | 4,912 | 967,510 |
Compare Nosara with another city
More comparisons with Nosara: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Nosara and Seongnam: common questions
What is the time difference between Nosara and Seongnam?
Seongnam is 15 hours ahead: it uses UTC+9, while Nosara is on UTC−6.
What time is it in Seongnam when it is 9:00 AM in Nosara?
When it is 9:00 AM in Nosara, it is 12:00 AM (the next day) in Seongnam.
What time is it in Seongnam when it is 6:00 PM in Nosara?
When it is 6:00 PM in Nosara, it is 9:00 AM (the next day) in Seongnam.
When is a good time to call Seongnam from Nosara?
Working hours (9:00 AM–6:00 PM) in Nosara and in Seongnam do not overlap. At 9:00 AM in Nosara it is 12:00 AM (the next day) in Seongnam; when the working day starts in Seongnam, it is 6:00 PM (the previous day) in Nosara.
When is it already the next day in Seongnam?
From 9:00 AM in Nosara it is already the next day in Seongnam. The other way round, until 3:00 PM in Seongnam it is still the previous day in Nosara.
Does the time difference between Nosara and Seongnam change?
No. Neither place uses daylight saving time, so the difference stays 15 hours all year.
