Time difference
Colombo to Tokyo Time Difference
Tokyo is 3 hours and 30 minutes ahead of Colombo — when it's 12:00 PM in Colombo, it's 3:30 PM in Tokyo. (Colombo (Asia/Colombo, GMT+5:30); Tokyo (Asia/Tokyo, JST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Tokyo is 3 hours and 30 minutes ahead of Colombo. The best window for a call is 9 AM–1:30 PM in Colombo, which is 12:30 PM–5 PM in Tokyo — an overlap of 4 hours and 30 minutes inside 9 AM–5 PM on both sides. Colombo and Tokyo change their clocks together (or don't change at all), so the time difference between them stays the same all year.
- When it's 9:00 AM in Colombo, it's 12:30 PM in Tokyo.
- When it's 9:00 AM in Tokyo, it's 5:30 AM in Colombo.
Tokyo is currently 3 hours and 30 minutes ahead of Colombo.
Interactive converter
12:00PM
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Best times to meet
The 9 AM – 5 PM business windows in Colombo and Tokyo overlap for 4 hours and 30 minutes. 9 AM–1:30 PM in Colombo is 12:30 PM–5 PM in Tokyo. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Colombo | Tokyo |
|---|---|
| 12 AM | 3:30 AM |
| 1 AM | 4:30 AM |
| 2 AM | 5:30 AM |
| 3 AM | 6:30 AM |
| 4 AM | 7:30 AM |
| 5 AM | 8:30 AM |
| 6 AM | 9:30 AM |
| 7 AM | 10:30 AM |
| 8 AM | 11:30 AM |
| 9 AM | 12:30 PM |
| 10 AM | 1:30 PM |
| 11 AM | 2:30 PM |
| 12 PM | 3:30 PM |
| 1 PM | 4:30 PM |
| 2 PM | 5:30 PM |
| 3 PM | 6:30 PM |
| 4 PM | 7:30 PM |
| 5 PM | 8:30 PM |
| 6 PM | 9:30 PM |
| 7 PM | 10:30 PM |
| 8 PM | 11:30 PM |
| 9 PM | 12:30 AM (next day) |
| 10 PM | 1:30 AM (next day) |
| 11 PM | 2:30 AM (next day) |
Daylight saving
The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.
- Colombo does not observe daylight saving time.
- Tokyo does not observe daylight saving time.
Frequently asked questions
- Is Tokyo ahead of or behind Colombo?
- Tokyo is 3 hours and 30 minutes ahead of Colombo.
- How many hours ahead of Colombo is Tokyo?
- Tokyo is 3 hours and 30 minutes ahead of Colombo.
- What time is 9 AM in Colombo in Tokyo?
- 9:00 AM in Colombo is 12:30 PM in Tokyo.
- What time is noon in Colombo in Tokyo?
- 12:00 PM in Colombo is 3:30 PM in Tokyo.
- What time is 5 PM in Colombo in Tokyo?
- 5:00 PM in Colombo is 8:30 PM in Tokyo. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Colombo in Tokyo?
- 3:00 PM in Colombo is 6:30 PM in Tokyo.
- Is Colombo currently observing daylight saving time?
- Colombo does not observe daylight saving time — its UTC offset stays the same all year.
- Is Tokyo currently observing daylight saving time?
- Tokyo does not observe daylight saving time — its UTC offset stays the same all year.
- Do Colombo and Tokyo observe daylight saving?
- The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.
- When is the best time to call Tokyo from Colombo?
- Aim for 9 AM–1:30 PM in Colombo, which is 12:30 PM–5 PM in Tokyo.
- When is the best time to call Colombo from Tokyo?
- Aim for 12:30 PM–5 PM in Tokyo, which is 9 AM–1:30 PM in Colombo.
- Colombo (GMT+5:30) to Tokyo (JST) — how do I convert quickly?
- Add 3 hours and 30 minutes to Colombo local time to get Tokyo local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
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