Japan to PDT
-16hJapan
JSTSOURCEPDT
PDTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and PDT on the World Map
The map below highlights the JST (Japan Standard Time) and PDT (Pacific Daylight Time) timezone regions across the globe.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •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.
PDT – Pacific Daylight Time
UTC-07:00Pacific Daylight Time (PDT) is the daylight saving offset on the US/Canada Pacific coast, 7 hours behind UTC.
- •PDT aligns with MST at UTC-07:00.
- •Tech company earnings calls often reference PDT/PST times.
Time Conversion Guide: Japan to PDT
Japan runs on Japan Standard Time (JST) at UTC+09:00. PDT runs on Pacific Daylight Time (PDT) at UTC-07:00. That puts Japan 16 hours behind PDT — a difference of -16h at the current offsets.
In practice, when it is 9:00 AM in Japan it is 5:00 PM in PDT on the previous day. Midnight in Japan is 8:00 AM in PDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Japan to PDT time conversion table
| Japan (JST) | PDT (PDT) | Day |
|---|---|---|
| 12:00 AM | 8:00 AM | previous day |
| 6:00 AM | 2:00 PM | previous day |
| 7:00 AM | 3:00 PM | previous day |
| 8:00 AM | 4:00 PM | previous day |
| 9:00 AM | 5:00 PM | previous day |
| 12:00 PM | 8:00 PM | previous day |
| 3:00 PM | 11:00 PM | previous day |
| 5:00 PM | 1:00 AM | same day |
| 6:00 PM | 2:00 AM | same day |
| 9:00 PM | 5:00 AM | same day |
Why people convert Japan to PDT time
- Scheduling a call from Japan to PDT: a 10:00 AM start in Japan lands at 6:00 PM in PDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -16h gap: Japan and PDT 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 PDT is 5:00 PM in Japan.
- Booking travel or deliveries: tracking PDT local time against Japan keeps pickup windows and arrival estimates honest across the -16h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" 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 Japan takes the early slot, the next week PDT does.
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.
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.
Best time to call between Japan and PDT
With a -16h offset there is no overlap inside a normal 9 AM – 5 PM day. PDT opens at 9:00 AM PDT, which is 5:00 PM in Japan, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Japan and PDT have no shared working hours because of the -16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Japan is 16 hours behind PDT (JST UTC+09:00 → PDT UTC-07:00). 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
Japan
Does not observe DST
PDT
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Japan and PDT?
Japan (JST, UTC+09:00) is 16 hours behind PDT (PDT, UTC-07:00). The gap is currently -16h.
How do I convert Japan time to PDT time?
Add -16h to Japan local time. For example, 9:00 AM in Japan is 5:00 PM in PDT (previous day).
What time is it in PDT right now?
PDT uses PDT at UTC-07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -16h offset from Japan.
What is the best time to call PDT from Japan?
There is no shared working-hours window because of the -16h gap. The closest option is 1:00 PM in Japan, which is 9:00 PM in PDT.
Which is behind, Japan or PDT?
Japan is 16 hours behind PDT. When it is 12:00 PM in Japan it is 8:00 PM in PDT.
Do Japan and PDT use different time zones?
Japan (Japan) uses JST at UTC+09:00, while PDT uses PDT at UTC-07:00. The IANA identifiers are Asia/Tokyo and America/Los_Angeles.
Does daylight saving time affect the Japan–PDT difference?
Neither zone observes daylight saving time, so the -16h offset between Japan and PDT is fixed all year.
Which other cities share Japan's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Japan's zone?
JST is used in Japan.
Is there a day difference between Japan and PDT?
Sometimes. The -16h gap is large enough that 8:00 PM or later in Japan already falls on the in PDT.
What is the time difference between Japan and PDT?
PDT is -16h from Japan.
What timezone is Japan in?
Japan operates on its local timezone.
What timezone is PDT in?
PDT operates on its local timezone.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
Which cities are in the PDT timezone?
Major cities in the PDT timezone include Los Angeles, San Francisco, Seattle, Vancouver, Portland.
What is the UTC offset for PDT?
Pacific Daylight Time (PDT) is at UTC-07:00. During daylight saving time, it shifts to PST.
What should I know about the PDT timezone?
PDT aligns with MST at UTC-07:00. Tech company earnings calls often reference PDT/PST times.
When is it midnight in Japan, what time is it in PDT?
When it is 12:00 AM (midnight) in Japan (JST), it is -16h later in PDT (PDT).
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