PST to JST Time Converter
Japan Standard Time (JST) is currently 17 hours ahead of Pacific Standard Time (PST). PST is UTC-8 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 5:00 PM in PST, which is 9:00 AM 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: PST 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?
PST and JST are fixed offsets, so the difference between them never changes.
PST is UTC-8, used on the North American west coast in winter. The region switches to PDT (UTC-7) from March to November.
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 PST?
JST is currently 17 hours ahead of PST. PST and JST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in PST in JST?
9:00 AM in PST is 2:00 AM in JST on the next day.
What is the best time for a call between PST and JST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 5:00 PM in PST, which is 9:00 AM to 5:00 PM in JST.