Nosara to Cheonan: time difference
Cheonan is 15 h ahead of Nosara. 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.
Nosara 12:57 12:57 PM Cheonan 03:57 3:57 AM You –:–
12:57 12:57 PM
Central Standard Time · UTC-6
☀️ 05:32 · 🌙 17:25
03:57 3:57 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:51
·
+15 h
Cheonan is 15 h ahead of Nosara.
When you, Nosara and Cheonan 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
🇰🇷 Cheonan
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 | 🇰🇷 Cheonan |
|---|---|---|
| Local time | 12:57 | 03:57 |
| Local date | Monday, October 19, 2026 | Tuesday, October 20, 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 | 06:44 |
| Sunset | 17:25 | 17:51 |
| Daylight | 11 h 53 min | 11 h 7 min |
| People on this clock | 4,912 | 658,486 |
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 Cheonan: common questions
How far ahead of Nosara is Cheonan?
Cheonan is 15 hours ahead of Nosara: UTC+9 against UTC−6.
If it is 9:00 AM in Nosara, what time is it in Cheonan?
At 9:00 AM in Nosara, clocks in Cheonan show 12:00 AM (the next day).
What time is it in Cheonan at the end of the working day in Nosara?
The working day in Nosara ends at 6:00 PM; in Cheonan it is 9:00 AM (the next day) at that moment.
Is there a time when both Nosara and Cheonan are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Nosara at 9:00 AM, it is 12:00 AM (the next day) in Cheonan; the day in Cheonan starts at 6:00 PM (the previous day) in Nosara time.
When does the date change in Cheonan compared with Nosara?
The new day starts in Cheonan earlier: at 9:00 AM in Nosara it is already midnight there. Until 3:00 PM in Cheonan, Nosara is still on the previous day.
Does the time gap between Nosara and Cheonan change during the year?
No, the clocks change neither in Nosara nor in Cheonan, so the gap is 15 hours all year round.
