SLST to JST
Convert Sri Lanka Time — Colombo to Japan Time — Tokyo — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Colombo, it's 12:30 PM in Tokyo. Tokyo is 3½ hours ahead of Colombo. Use the converter above to turn any SLST time into JST, or scan the hour-by-hour table below for the full day.
SLST to JST at a glance
Planning a meeting between Colombo and Tokyo
Planning a call between Colombo and Tokyo? The best overlap during a standard 9-to-5 workday runs 9:00 AM–1:30 PM SLST (12:30 PM–5:00 PM JST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Colombo to Tokyo
A full day mapped from SLST to JST.
Frequently asked
Is Tokyo ahead of or behind Colombo?
Tokyo is 3½ hours ahead of Colombo.
What is 12:00 PM SLST in JST?
12:00 PM in Colombo is 3:30 PM in Tokyo.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so SLST and JST automatically reflect the correct daylight-saving offset for the current date.