Time difference between Ko Samui and St. John's
Compare the current local time in Ko Samui and St. John's, see when your working hours overlap, and convert any specific hour between the two timezones.
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How do I convert a specific time?
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What's the working-hours overlap?
When Ko Samui's 9:00–17:00 business hours overlap with St. John's's.
Ko Samui working hours
St. John's working hours
Overlap (both working)
🇹🇭 Ko Samui
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🇨🇦 St. John's
How do you schedule across Ko Samui and St. John's?
Scheduling between Ko Samui and St. John's is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 1 hour 30 minutes between Ko Samui closing at 17:00 local and St. John's opening at 09:00 local. Practical bridging slots: an early St. John's start at 07:30 (catching Ko Samui just at close, 17:00), or a late Ko Samui call at 18:30 (catching St. John's at opening, 09:00).
What's the quick reference?
| 🇹🇭 Ko Samui | 🇨🇦 St. John's | In St. John's 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?
🇹🇭 Ko Samui
Ko Samui does not observe daylight saving time. The local offset is fixed year-round.
🇨🇦 St. John's
Currently in NDT (daylight saving)
Clocks go back to NST
on Sunday 1 November 2026