CEST to JST Time Converter
Japan Standard Time (JST) is currently 7 hours ahead of Central European Summer Time (CEST). CEST is UTC+2 and JST is UTC+9. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 10:00 AM in CEST, which is 4:00 PM to 5:00 PM in JST.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: CEST to JST
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
CEST and JST are fixed offsets, so the difference between them never changes.
CEST is UTC+2, the summer counterpart of CET, used from late March to late October.
JST is UTC+9. Japan has no daylight saving, so this offset never changes.
Frequently Asked Questions
How many hours ahead is JST compared to CEST?
JST is currently 7 hours ahead of CEST. CEST and JST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in CEST in JST?
9:00 AM in CEST is 4:00 PM in JST.
What is the best time for a call between CEST and JST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 10:00 AM in CEST, which is 4:00 PM to 5:00 PM in JST.