JST to SLST
Convert Japan Time — Tokyo to Sri Lanka Time — Colombo — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tokyo, it's 5:30 AM in Colombo. Colombo is 3½ hours behind Tokyo. Use the converter above to turn any JST time into SLST, or scan the hour-by-hour table below for the full day.
JST to SLST at a glance
Planning a meeting between Tokyo and Colombo
Planning a call between Tokyo and Colombo? The best overlap during a standard 9-to-5 workday runs 12:30 PM–5:00 PM JST (9:00 AM–1:30 PM SLST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Tokyo to Colombo
A full day mapped from JST to SLST.
Frequently asked
Is Colombo ahead of or behind Tokyo?
Colombo is 3½ hours behind Tokyo.
What is 12:00 PM JST in SLST?
12:00 PM in Tokyo is 8:30 AM in Colombo.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so JST and SLST automatically reflect the correct daylight-saving offset for the current date.