There are no overlapping standard business hours (9am - 5pm). Use the interactive converter above to visually compare hours side by side.

St. John's

NST (GMT-3:30)

NDT starts on Mar 14, 2027

Tokyo

JST (GMT+9)

No Daylight Saving Time

What is the best time to schedule a meeting between St. John's and Tokyo?

There are no overlapping business hours. Consider early morning or late evening meetings, or use the interactive converter on this page to find a workable time slot.

How many hours apart are St. John's and Tokyo?

Tokyo is 12.5 hours ahead of St. John's.

Does the overlap change with daylight saving time?

St. John's observes daylight saving time (NDT starts on Mar 14, 2027) but Tokyo does not, so the overlap may shift by an hour seasonally. The interactive converter on this page always reflects the current offset, even across daylight saving transition.