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PDT to Japan

+16h

PDT

PDTSOURCE
UTC-07:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Japan

JST
UTC+09:00
HH04
:
MM00
  
(next day)04:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
PDT
Japan
12:00 AM
4:00 PM
2:00 AM
6:00 PM
4:00 AM
8:00 PM
6:00 AM
10:00 PM
8:00 AM
12:00 AM+1
10:00 AM
2:00 AM+1
12:00 PM
4:00 AM+1
2:00 PM
6:00 AM+1
4:00 PM
8:00 AM+1
6:00 PM
10:00 AM+1
8:00 PM
12:00 PM+1
10:00 PM
2:00 PM+1

Green rows indicate typical business hours (9 AM - 5 PM)

PDT and JST on the World Map

The map below highlights the PDT (Pacific Daylight Time) and JST (Japan Standard Time) timezone regions across the globe.

PDTJSTLos AngelesSan FranciscoSeattleVancouverTokyoOsakaYokohamaNagoya
PDT Zone
→
JST Zone

Explore all world timezones interactively →

PDT – Pacific Daylight Time

UTC-07:00

Pacific Daylight Time (PDT) is the daylight saving offset on the US/Canada Pacific coast, 7 hours behind UTC.

Countries in PDT
United States (Pacific)Canada (British Columbia)Mexico (Baja California)
Major Cities in PDT
Los AngelesSan FranciscoSeattleVancouverPortland
Key Facts about PDT
  • •PDT aligns with MST at UTC-07:00.
  • •Tech company earnings calls often reference PDT/PST times.
Daylight Saving:Yes – switches to PST
Learn more about PDT on Wikipedia

JST – Japan Standard Time

UTC+09:00

Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.

Countries in JST
Japan
Major Cities in JST
TokyoOsakaYokohamaNagoyaSapporoKyotoKobeFukuokaHiroshima
Key Facts about JST
  • •Japan does not observe daylight saving time.
  • •Tokyo is the most populous metropolitan area in the world.
  • •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
  • •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
Daylight Saving:No – UTC+09:00 year-round
Learn more about JST on Wikipedia

Time Conversion Guide: PDT to Japan

PDT runs on Pacific Daylight Time (PDT) at UTC-07:00. Japan runs on Japan Standard Time (JST) at UTC+09:00. That puts PDT 16 hours ahead of Japan — a difference of +16h at the current offsets.

In practice, when it is 9:00 AM in PDT it is 1:00 AM in Japan on the next day. Midnight in PDT is 4:00 PM in Japan. Neither zone observes daylight saving time, so the offset between them stays constant all year.

PDT to Japan time conversion table

PDT (PDT)Japan (JST)Day
12:00 AM4:00 PMsame day
6:00 AM10:00 PMsame day
7:00 AM11:00 PMsame day
8:00 AM12:00 AMnext day
9:00 AM1:00 AMnext day
12:00 PM4:00 AMnext day
3:00 PM7:00 AMnext day
5:00 PM9:00 AMnext day
6:00 PM10:00 AMnext day
9:00 PM1:00 PMnext day

Why people convert PDT to Japan time

  • Scheduling a call from PDT to Japan: a 10:00 AM start in PDT lands at 2:00 AM in Japan the next day, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a +16h gap: PDT and Japan have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Japan is 1:00 AM in PDT.
  • Watching a live event or market open: PDT viewers need 1:00 AM in Japan to catch a 9:00 AM start there, and 8:00 AM if the event is anchored to PDT.
  • Always state the zone abbreviation, not just the hour. "3:00 PM PDT" is unambiguous; "3 PM" across a +16h gap is not.
  • With a +16h gap there is no shared 9-to-5 window, so alternate the early start: one week PDT takes the early slot, the next week Japan does.

About PDT (Pacific Daylight Time)

Pacific Daylight Time (PDT) is observed from March to November on the Pacific coast. During PDT, the west coast is 7 hours behind UTC and only 2 hours behind the east coast's EDT.

About JST (Japan Standard Time)

Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.

Best time to call between PDT and Japan

With a +16h offset there is no overlap inside a normal 9 AM – 5 PM day. Japan opens at 9:00 AM JST, which is 1:00 AM in PDT, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

PDT and Japan have no shared working hours because of the +16h gap. Teams need to alternate early starts or rely on asynchronous handovers.

PDT is 16 hours ahead of Japan (PDT UTC-07:00 → JST UTC+09:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

PDT

☀ Currently in DST

Standard: UTC-08:00 · DST: UTC-07:00

Clocks fall back on Sun, Nov 1, 2026

Japan

Does not observe DST

Frequently Asked Questions

What is the time difference between PDT and Japan?

PDT (PDT, UTC-07:00) is 16 hours ahead of Japan (JST, UTC+09:00). The gap is currently +16h.

How do I convert PDT time to Japan time?

Add +16h to PDT local time. For example, 9:00 AM in PDT is 1:00 AM in Japan (next day).

What time is it in Japan right now?

Japan uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +16h offset from PDT.

What is the best time to call Japan from PDT?

There is no shared working-hours window because of the +16h gap. The closest option is 1:00 PM in PDT, which is 5:00 AM in Japan.

Which is ahead, PDT or Japan?

PDT is 16 hours ahead of Japan. When it is 12:00 PM in PDT it is 4:00 AM in Japan.

Do PDT and Japan use different time zones?

PDT uses PDT at UTC-07:00, while Japan (Japan) uses JST at UTC+09:00. The IANA identifiers are America/Los_Angeles and Asia/Tokyo.

Does daylight saving time affect the PDT–Japan difference?

Neither zone observes daylight saving time, so the +16h offset between PDT and Japan is fixed all year.

Which other cities share PDT's time zone?

PDT also covers Los Angeles, San Francisco, Seattle, Vancouver, Portland.

Which countries use PDT, PDT's zone?

PDT is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).

Is there a day difference between PDT and Japan?

Sometimes. The +16h gap is large enough that 8:00 PM or later in PDT already falls on the next day in Japan.

What is the time difference between PDT and Japan?

Japan is +16h from PDT.

What timezone is PDT in?

PDT operates on its local timezone.

What timezone is Japan in?

Japan operates on its local timezone.

Which countries use PDT (Pacific Daylight Time)?

PDT is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).

Does PDT observe daylight saving time?

Yes, PDT switches to PST during summer months.

What are some interesting facts about PDT?

PDT aligns with MST at UTC-07:00. Tech company earnings calls often reference PDT/PST times.

Which cities are in the JST timezone?

Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.

What is the UTC offset for JST?

Japan Standard Time (JST) is at UTC+09:00.

What should I know about the JST timezone?

Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.

When is it midnight in PDT, what time is it in Japan?

When it is 12:00 AM (midnight) in PDT (PDT), it is +16h later in Japan (JST).