Cheonan to Nosara: time difference
Nosara is 15 h behind Cheonan. 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.
Cheonan 03:25 3:25 AM Nosara 12:25 12:25 PM You –:–
03:25 3:25 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:51
12:25 12:25 PM
Central Standard Time · UTC-6
☀️ 05:32 · 🌙 17:25
·
−15 h
Nosara is 15 h behind Cheonan.
When you, Cheonan and Nosara are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Cheonan
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
🇨🇷 Nosara
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 5 5 AM 6 6 AM 7 7 AM 8 8 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Cheonan | 🇨🇷 Nosara |
|---|---|---|
| Local time | 03:25 | 12:25 |
| Local date | Tuesday, October 20, 2026 | Monday, October 19, 2026 |
| Time zone | Korean Standard Time | Central Standard Time |
| UTC offset | UTC+9 | UTC-6 |
| Offset from Cheonan | — | −15 h |
| IANA zone | Asia/Seoul | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:44 | 05:32 |
| Sunset | 17:51 | 17:25 |
| Daylight | 11 h 7 min | 11 h 53 min |
| People on this clock | 658,486 | 4,912 |
Compare Cheonan with another city
More comparisons with Cheonan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cheonan and Nosara: common questions
How many hours behind Cheonan is Nosara?
The clocks in Nosara are 15 hours behind those in Cheonan (UTC−6 and UTC+9).
What time is it in Nosara when it is 9:00 AM in Cheonan?
When it is 9:00 AM in Cheonan, it is 6:00 PM (the previous day) in Nosara.
If it is 6:00 PM in Cheonan, what time is it in Nosara?
At 6:00 PM in Cheonan, clocks in Nosara show 3:00 AM.
Is there a time when both Cheonan and Nosara are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Cheonan at 9:00 AM, it is 6:00 PM (the previous day) in Nosara; the day in Nosara starts at 12:00 AM (the next day) in Cheonan time.
Until what time in Cheonan is it still yesterday in Nosara?
Before 3:00 PM in Cheonan, the date in Nosara has not changed yet. From 9:00 AM in Nosara, it is already the next day in Cheonan.
Does the time gap between Cheonan and Nosara change during the year?
No, the clocks change neither in Cheonan nor in Nosara, so the gap is 15 hours all year round.
