Tokyo to West Valley City Time Difference

24-Hour Comparison

Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.

Best Time to Call

On a typical weekday (Monday–Friday).

Tokyo and West Valley City have little to no overlap in typical business hours (9 AM–5 PM) — an early morning or evening call works best for one side.

Frequently Asked Questions

What is the time difference between Tokyo and West Valley City?

West Valley City is 15 hours behind Tokyo. Tokyo is currently UTC+9 and West Valley City is UTC-6.

Is West Valley City ahead of or behind Tokyo?

West Valley City is behind Tokyo.

What is the best time to call West Valley City from Tokyo?

Tokyo and West Valley City have little to no overlap in typical business hours (9 AM–5 PM), even on a weekday — an early morning or evening call works best for one side.

What is the best time for a remote team standup between Tokyo and West Valley City?

Tokyo and West Valley City have little to no live overlap in typical business hours, so a synchronous standup rarely works for both sides. Instead, treat 05:00 PM in Tokyo (02:00 AM in West Valley City) — the end of Tokyo's typical workday — as the async handoff point: write an end-of-day summary then, so the West Valley City team has full context when their day starts.

Does the time difference between Tokyo and West Valley City change during the year?

Yes. Tokyo and West Valley City don't switch to daylight saving time on the same schedule, so the offset shifts by up to an hour for part of the year.