Time difference between Cali and Ko Samui
Compare the current local time in Cali and Ko Samui, see when your working hours overlap, and convert any specific hour between the two timezones.
How do I convert a specific time?
What's the working-hours overlap?
When Cali's 9:00–17:00 business hours overlap with Ko Samui's.
How do you schedule across Cali and Ko Samui?
Scheduling between Cali and Ko Samui is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 4 hours between Ko Samui closing at 17:00 local and Cali opening at 09:00 local. Practical bridging slots: an early Cali start at 05:00 (catching Ko Samui just at close, 17:00), or a late Ko Samui call at 21:00 (catching Cali at opening, 09:00).
What's the quick reference?
| 🇨🇴 Cali | 🇹🇭 Ko Samui | In Ko Samui it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
What's the daylight saving status?
🇨🇴 Cali
Cali does not observe daylight saving time. The local offset is fixed year-round.
🇹🇭 Ko Samui
Ko Samui does not observe daylight saving time. The local offset is fixed year-round.