World Timezones

Seattle to Tokyo Converter

Compare Tokyo to Seattle instead
Seattle8:47 pmSun, Jun 7
SeattlePDT
WA, United States · UTC-7
8:47 pmSun, Jun 7
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TokyoJST
Japan · UTC+9
12:47 pmMon, Jun 8
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Offset

The time difference between Seattle and Tokyo is 16 hours.

16 hours

Seattle (PDT) is behind Tokyo (JST).

PDT: UTC-7

JST: UTC+9

Seattle is currently observing daylight saving time; Tokyo is not.

When to schedule

Standard business hours (9 AM–5 PM, Mon–Fri) in Seattle and Tokyo don't overlap on the same weekday. Tokyo is 16 hours ahead of Seattle.

With some flexibility, there’s a workable window outside standard hours:

  • 3 PM–8 PM in Seattle (7 AM–12 PM the next day in Tokyo) — suggest 5:00 PM Seattle (9:00 AM Tokyo).

This means an early start or late finish for one side, but it’s a reasonable slot for a one-off meeting.

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

United States

  • New Year's DayThu, Jan 1
  • Martin Luther King, Jr. DayMon, Jan 19
  • Presidents DayMon, Feb 16
  • Memorial DayMon, May 25
  • Juneteenth National Independence DayFri, Jun 19
  • Independence DayFri, Jul 3
  • Labour DayMon, Sep 7
  • Columbus DayMon, Oct 12
  • Veterans DayWed, Nov 11
  • Thanksgiving DayThu, Nov 26
  • Christmas DayFri, Dec 25

Japan

  • New Year's DayThu, Jan 1
  • Coming of Age DayMon, Jan 12
  • Foundation DayWed, Feb 11
  • The Emperor's BirthdayMon, Feb 23
  • Vernal Equinox DayFri, Mar 20
  • Shōwa DayWed, Apr 29
  • Constitution Memorial DayWed, May 6
  • Greenery DayMon, May 4
  • Children's DayTue, May 5
  • Marine DayMon, Jul 20
  • Mountain DayTue, Aug 11
  • Respect for the Aged DayMon, Sep 21
  • Autumnal Equinox DayWed, Sep 23
  • Sports DayMon, Oct 12
  • Culture DayTue, Nov 3
  • Labour Thanksgiving DayMon, Nov 23

About these zones

Seattle uses Pacific Time (PST, or PDT). To call United States, dial +1.

Tokyo uses Japan Standard Time (JST). To call Japan, dial +81.

Tokyo is approximately 4,800 miles northwest of Seattle.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

SeattleTokyoDay
12:00 am4:00 pmSame day
1:00 am5:00 pmSame day
2:00 am6:00 pmSame day
3:00 am7:00 pmSame day
4:00 am8:00 pmSame day
5:00 am9:00 pmSame day
6:00 am10:00 pmSame day
7:00 am11:00 pmSame day
8:00 am12:00 am+1 day
9:00 am1:00 am+1 day
10:00 am2:00 am+1 day
11:00 am3:00 am+1 day
12:00 pm4:00 am+1 day
1:00 pm5:00 am+1 day
2:00 pm6:00 am+1 day
3:00 pm7:00 am+1 day
4:00 pm8:00 am+1 day
5:00 pm9:00 am+1 day
6:00 pm10:00 am+1 day
7:00 pm11:00 am+1 day
8:00 pm12:00 pm+1 day
9:00 pm1:00 pm+1 day
10:00 pm2:00 pm+1 day
11:00 pm3:00 pm+1 day

Daylight saving time

Seattle observes daylight saving time; Tokyo does not. The offset between the two zones changes when Seattle transitions: on Sunday, November 1, 2026, clocks fall back from PDT to PST.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Seattle
Sunrise
5:14 AM
Sunset
9:05 PM
Day length
15h 51m
Tokyo
Sunrise
4:26 AM
Sunset
6:56 PM
Day length
14h 30m

Daylight overlap: 8h 39m12:26 PM–9:05 PM in Seattle (4:26 AM–1:05 PM in Tokyo). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Pacific Time

  • BUR
  • HHR
  • LAX
  • LGB
  • SNA
  • CLD
  • SAN
  • TIJ
  • OAK
  • SFO

Airports in Japan Standard Time

  • HND
  • NRT
  • ITM
  • KIX
  • UKB
  • NGO
  • NKM
  • CTS
  • OKD
  • FUK

Related conversions

Common conversions

What is 9:00 am Seattle in Tokyo?
9:00 am Seattle is 1:00 am Tokyo, the next day.
What is 12:00 pm Seattle in Tokyo?
12:00 pm Seattle is 4:00 am Tokyo, the next day.
What is 12:30 pm Seattle in Tokyo?
12:30 pm Seattle is 4:30 am Tokyo, the next day.
What is 2:00 pm Seattle in Tokyo?
2:00 pm Seattle is 6:00 am Tokyo, the next day.
What is 5:00 pm Seattle in Tokyo?
5:00 pm Seattle is 9:00 am Tokyo, the next day.
What is 11:30 pm Seattle in Tokyo?
11:30 pm Seattle is 3:30 pm Tokyo, the next day.