Barcelona to Koh Samui: time difference
Koh Samui is 5 h ahead of Barcelona. 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.
Barcelona 05:19 5:19 AM Koh Samui 10:19 10:19 AM You –:–
05:19 5:19 AM
Central European Summer Time · UTC+2
☀️ 07:58 · 🌙 19:20
10:19 10:19 AM
Indochina Time · UTC+7
☀️ 06:09 · 🌙 18:07
·
+5 h
Koh Samui is 5 h ahead of Barcelona.
When you, Barcelona and Koh Samui are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇪🇸 Barcelona
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
🇹🇭 Koh Samui
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 | 🇪🇸 Barcelona | 🇹🇭 Koh Samui |
|---|---|---|
| Local time | 05:19 | 10:19 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central European Summer Time | Indochina Time |
| UTC offset | UTC+2 | UTC+7 |
| Offset from Barcelona | — | +5 h |
| IANA zone | Europe/Madrid | Asia/Bangkok |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:58 | 06:09 |
| Sunset | 19:20 | 18:07 |
| Daylight | 11 h 22 min | 11 h 58 min |
| People on this clock | 1,660,122 | 62,110 |
Compare Barcelona with another city
More comparisons with Barcelona: the time zones next to it and the far side of the clock.
Big time differences
Barcelona and Koh Samui: common questions
How far ahead of Barcelona is Koh Samui?
Koh Samui is 5 hours ahead of Barcelona: UTC+7 against UTC+2.
If it is 9:00 AM in Barcelona, what time is it in Koh Samui?
At 9:00 AM in Barcelona, clocks in Koh Samui show 2:00 PM.
What time is it in Koh Samui at the end of the working day in Barcelona?
The working day in Barcelona ends at 6:00 PM; in Koh Samui it is 11:00 PM at that moment.
When is a good time to call Koh Samui from Barcelona?
Between 9:00 AM and 1:00 PM in Barcelona – that is 2:00 PM to 6:00 PM in Koh Samui – both places are within working hours (9:00 AM–6:00 PM).
From what time in Barcelona is it tomorrow in Koh Samui?
Once it is 7:00 PM in Barcelona, the date in Koh Samui has already changed. Until 5:00 AM in Koh Samui, it is still the previous day in Barcelona.
Does the time gap between Barcelona and Koh Samui change during the year?
Yes – daylight saving time is used in Barcelona but not in Koh Samui. From October 25, 2026, Koh Samui will be 6 hours ahead of Barcelona.
