Lisbon to Koh Samui: time difference
Koh Samui is 6 h ahead of Lisbon. 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.
Lisbon 07:19 7:19 AM Koh Samui 13:19 1:19 PM You –:–
07:19 7:19 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
13:19 1:19 PM
Indochina Time · UTC+7
☀️ 06:09 · 🌙 18:07
·
+6 h
Koh Samui is 6 h ahead of Lisbon.
When you, Lisbon 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
🇵🇹 Lisbon
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
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 5 5 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇹🇭 Koh Samui |
|---|---|---|
| Local time | 07:19 | 13:19 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Western European Summer Time | Indochina Time |
| UTC offset | UTC+1 | UTC+7 |
| Offset from Lisbon | — | +6 h |
| IANA zone | Europe/Lisbon | Asia/Bangkok |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:41 | 06:09 |
| Sunset | 19:07 | 18:07 |
| Daylight | 11 h 26 min | 11 h 58 min |
| People on this clock | 545,923 | 62,110 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Koh Samui: common questions
How far ahead of Lisbon is Koh Samui?
Koh Samui is 6 hours ahead of Lisbon: UTC+7 against UTC+1.
What time is it in Koh Samui when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 3:00 PM in Koh Samui.
If it is 6:00 PM in Lisbon, what time is it in Koh Samui?
At 6:00 PM in Lisbon, clocks in Koh Samui show 12:00 AM (the next day).
When do working hours in Lisbon and in Koh Samui overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 12:00 PM in Lisbon, which is 3:00 PM to 6:00 PM in Koh Samui.
When is it already the next day in Koh Samui?
From 6:00 PM in Lisbon it is already the next day in Koh Samui. The other way round, until 6:00 AM in Koh Samui it is still the previous day in Lisbon.
Is the time difference between Lisbon and Koh Samui the same all year?
No. Only Lisbon switches to summer time, so the gap changes twice a year. From October 25, 2026, Koh Samui will be 7 hours ahead of Lisbon.
