Time Difference Between Katunayaka and Tokyo
Tokyo is 3 hours 30 minutes ahead Katunayaka.
Sri Lanka
Katunayaka
Asia/Colombo · UTC+5:30
Japan
Tokyo
Asia/Tokyo · UTC+9
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Katunayaka and Tokyo.
Katunayaka
9:30 AM
Tokyo
1:00 PM
Katunayaka
10:30 AM
Tokyo
2:00 PM
Katunayaka
11:30 AM
Tokyo
3:00 PM
Katunayaka
12:30 PM
Tokyo
4:00 PM
Katunayaka
1:30 PM
Tokyo
5:00 PM
Katunayaka to Tokyo — 24-Hour Conversion
Each row shows the equivalent local time in Tokyo for an hour in Katunayaka. Working-hours rows (9–18) are highlighted.
| Katunayaka | Tokyo | Match |
|---|---|---|
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Workday in Katunayaka | ||
| Workday in Katunayaka | ||
| Workday in Katunayaka | ||
| Workday in Katunayaka | ||
| Off hours | ||
| Off hours | ||
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between Katunayaka and Tokyo?
Tokyo, Japan (UTC+9) is 3 hours 30 minutes ahead Katunayaka, Sri Lanka (UTC+5:30).
What is the best time to schedule a meeting between Katunayaka and Tokyo?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Katunayaka and Tokyo?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Katunayaka, what time is it in Tokyo?
Use the conversion table on this page — every hour in Katunayaka is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.