Convert JST to NST — Time Difference Between Japan Standard Time and Newfoundland Standard Time

How to Convert JST to NST

Drag the slider on the JST timeline to pick your time — the NST time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.

What Is the Time Difference Between JST and NST?

Newfoundland Standard Time (NST) is 12:30 hours behind Japan Standard Time (JST). To convert, subtract 12:30 hours — for example, 9:00 AM JST is 8:30 PM (previous day) NST.

JST to NST Quick Reference

JST to NST Meeting Planner

Use the color-coded table above to find overlapping work hours between Tokyo and St. John's. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.

Why Trust This JST to NST Converter?

Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.