Live offset · Year-round DST · Shareable URL

Time difference
Seattle and Tokyo

Live clocks (PST ↔ JST), the current gap, month-by-month offset changes, and a full 24-hour map from Seattle to Tokyo.

1

Live gap

See the current offset between Seattle and Tokyo, with IANA-backed clocks updating every second.

2

Year-round chart

DST can shift the gap by an hour twice a year—the 2026 month table shows every change.

3

Hour-by-hour

Scroll the 24-hour table to map any civil hour in Seattle into Tokyo with day-shift cues.

Time difference workspace

How Seattle and Tokyo line up today.

2 cities · live offsetGap shifts yearly
City pair

Seattle Tokyo

Tokyo is 16h ahead of Seattle at this moment. Compare live clocks, seasonal DST shifts, and hour-by-hour conversions below.

Live offsetIANA zones · updates automatically
Seattle
America/Los_Angeles
ZonePST / PDT
Offset nowUTC-7
Hour gap
+16h

TokyoSeattle

Tokyo
Asia/Tokyo
ZoneJST
Offset nowUTC+9
About this pairUseful when planning calls or docs

Time difference between Seattle and Tokyo: Tokyo is currently 17 hours ahead of Seattle.

This difference is not constant: in winter Seattle is 17 hours behind Tokyo, while in summer (when one or both observe DST) the gap shifts to 16 hours behind. The monthly table below shows the exact offset gap month by month. For practical scheduling, jump to the best-time-to-meet page or the 24-hour conversion table below.

Jump aheadPick the view you need next
Best time to meetMonthly offsets24-hour table
Live clocks workspace

Clocks side by side.

Updates every second
Right nowAmerica/Los_Angeles · Asia/Tokyo
Seattle
America/Los_Angeles
Live time
--:--
OffsetUTC-7
AbbreviationPST / PDT
Observes DST
Tokyo
Asia/Tokyo
Live time
--:--
OffsetUTC+9
AbbreviationJST
No DST
Relationship

Tokyo is 16h ahead of Seattle.

DST rules can widen or shrink this gap for a few weeks each spring and autumn—the month table below shows how many hours Tokyo sits ahead of or behind Seattle through the calendar year.

Next stepsPlan overlap or convert zones
Best time to meet →PST → JST →Overlap Finder →
Year-round

Offset changes by month

Sampled mid-month for 2026. Compares Tokyo versus Seattle; a value of +3h means Tokyo is three hours ahead of Seattle.

2026 calendar

Month-by-month gap

MonthDifference (Tokyo vs Seattle)
January+17h
February+17h
March+16h
April+16h
May+16h
June+16h
July+16h
August+16h
September+16h
October+16h
November+17h
December+17h
Hour by hour

24-hour conversion table

Every civil hour in Seattle mapped into Tokyo; day-shift cues follow active DST for both zones today.

SeattleTokyo

Hourly wall-clock map for today — midnight crossings show as day shifts.

Seattle with part-of-day icon
Tokyo arrow and converted time
Day
  • 00:00
    16:00
    Same day
  • 01:00
    17:00
    Same day
  • 02:00
    18:00
    Same day
  • 03:00
    19:00
    Same day
  • 04:00
    20:00
    Same day
  • 05:00
    21:00
    Same day
  • 06:00
    22:00
    Same day
  • 07:00
    23:00
    Same day
  • 08:00
    00:00
    Next day
  • 09:00
    01:00
    Next day
  • 10:00
    02:00
    Next day
  • 11:00
    03:00
    Next day
  • 12:00
    04:00
    Next day
  • 13:00
    05:00
    Next day
  • 14:00
    06:00
    Next day
  • 15:00
    07:00
    Next day
  • 16:00
    08:00
    Next day
  • 17:00
    09:00
    Next day
  • 18:00
    10:00
    Next day
  • 19:00
    11:00
    Next day
  • 20:00
    12:00
    Next day
  • 21:00
    13:00
    Next day
  • 22:00
    14:00
    Next day
  • 23:00
    15:00
    Next day
Uses your browser's IANA zone data — choose another date in the converter for historical or future days.
Keep exploring

Related pages

More time-difference routes, pairwise best times, triple-city overlaps, and conversions tied to Seattle, Tokyo, or this corridor.

FAQ

Frequently asked questions

Offsets between Seattle and Tokyo, DST shifts, scheduling, and how we source timezone data—plus how to share this page.

Currently, Tokyo is 16h ahead of Seattle. This may change through the year if either city observes Daylight Saving Time.