WET to Japan
+9hWET
WETSOURCEJapan
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
WET and JST on the World Map
The map below highlights the WET (Western European Time) and JST (Japan Standard Time) timezone regions across the globe.
WET – Western European Time
UTC+00:00Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.
- •Portugal is the only mainland European country in the WET time zone.
- •The Canary Islands are on WET despite being part of Spain (which uses CET).
- •WET is identical to GMT and UTC+00:00.
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.
Time Conversion Guide: WET to Japan
WET runs on Western European Time (WET) at UTC+00:00. Japan runs on Japan Standard Time (JST) at UTC+09:00. That puts WET 9 hours ahead of Japan — a difference of +9h at the current offsets.
In practice, when it is 9:00 AM in WET it is 6:00 PM in Japan. Midnight in WET is 9:00 AM in Japan. Neither zone observes daylight saving time, so the offset between them stays constant all year.
WET to Japan time conversion table
| WET (WET) | Japan (JST) | Day |
|---|---|---|
| 12:00 AM | 9:00 AM | same day |
| 6:00 AM | 3:00 PM | same day |
| 7:00 AM | 4:00 PM | same day |
| 8:00 AM | 5:00 PM | same day |
| 9:00 AM | 6:00 PM | same day |
| 12:00 PM | 9:00 PM | same day |
| 3:00 PM | 12:00 AM | next day |
| 5:00 PM | 2:00 AM | next day |
| 6:00 PM | 3:00 AM | next day |
| 9:00 PM | 6:00 AM | next day |
Why people convert WET to Japan time
- Scheduling a call from WET to Japan: a 10:00 AM start in WET lands at 7:00 PM in Japan, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +9h gap: WET 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 6:00 PM in WET.
- Coordinating a WET-based team with Japan contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM WET" is unambiguous; "3 PM" across a +9h gap is not.
- With a +9h gap there is no shared 9-to-5 window, so alternate the early start: one week WET takes the early slot, the next week Japan does.
About WET (Western European Time)
Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).
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 WET and Japan
With a +9h offset there is no overlap inside a normal 9 AM – 5 PM day. Japan opens at 9:00 AM JST, which is 6:00 PM in WET, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
WET and Japan have no shared working hours because of the +9h gap. Teams need to alternate early starts or rely on asynchronous handovers.
WET is 9 hours ahead of Japan (WET UTC+00:00 → 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
WET
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Japan
Does not observe DST
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 WET and Japan?
WET (WET, UTC+00:00) is 9 hours ahead of Japan (JST, UTC+09:00). The gap is currently +9h.
How do I convert WET time to Japan time?
Add +9h to WET local time. For example, 9:00 AM in WET is 6:00 PM in Japan.
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 +9h offset from WET.
What is the best time to call Japan from WET?
There is no shared working-hours window because of the +9h gap. The closest option is 1:00 PM in WET, which is 10:00 PM in Japan.
Which is ahead, WET or Japan?
WET is 9 hours ahead of Japan. When it is 12:00 PM in WET it is 9:00 PM in Japan.
Do WET and Japan use different time zones?
WET uses WET at UTC+00:00, while Japan (Japan) uses JST at UTC+09:00. The IANA identifiers are Europe/Lisbon and Asia/Tokyo.
Does daylight saving time affect the WET–Japan difference?
Neither zone observes daylight saving time, so the +9h offset between WET and Japan is fixed all year.
Which other cities share WET's time zone?
WET also covers Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
Which countries use WET, WET's zone?
WET is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Is there a day difference between WET and Japan?
Not normally. The +9h gap only pushes the date over for late-evening times.
What is the time difference between WET and Japan?
Japan is +9h from WET.
What timezone is WET in?
WET operates on its local timezone.
What timezone is Japan in?
Japan operates on its local timezone.
Which countries use WET (Western European Time)?
WET is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Does WET observe daylight saving time?
Yes, WET switches to WEST during summer months.
What are some interesting facts about WET?
Portugal is the only mainland European country in the WET time zone. The Canary Islands are on WET despite being part of Spain (which uses CET).
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 WET, what time is it in Japan?
When it is 12:00 AM (midnight) in WET (WET), it is +9h later in Japan (JST).
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See every conversion from WET →·See every conversion from Japan →