Portugal to Japan
+8hPortugal
WESTSOURCEJapan
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
WEST and JST on the World Map
The map below highlights the WEST (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.
Understanding the +8h Gap: Portugal vs Japan
Portugal runs on Western European Summer Time (WEST) at UTC+01:00, currently observing daylight saving time. Japan runs on Japan Standard Time (JST) at UTC+09:00. That puts Portugal 8 hours ahead of Japan — a difference of +8h at the current offsets.
In practice, when it is 9:00 AM in Portugal it is 5:00 PM in Japan. Midnight in Portugal is 8:00 AM in Japan.Portugal observes daylight saving time while Japan does not, so the gap narrows or widens by an hour part of the year.
Portugal to Japan time conversion table
| Portugal (WEST) | Japan (JST) | Day |
|---|---|---|
| 12:00 AM | 8:00 AM | same day |
| 6:00 AM | 2:00 PM | same day |
| 7:00 AM | 3:00 PM | same day |
| 8:00 AM | 4:00 PM | same day |
| 9:00 AM | 5:00 PM | same day |
| 12:00 PM | 8:00 PM | same day |
| 3:00 PM | 11:00 PM | same day |
| 5:00 PM | 1:00 AM | next day |
| 6:00 PM | 2:00 AM | next day |
| 9:00 PM | 5:00 AM | next day |
Why people convert Portugal to Japan time
- Scheduling a call from Portugal to Japan: a 10:00 AM start in Portugal lands at 6:00 PM in Japan, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +8h gap: Portugal 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 5:00 PM in Portugal.
- Keeping family and friends in sync: knowing that 8:00 PM in Portugal is 4:00 AM in Japan makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM WEST" is unambiguous; "3 PM" across a +8h gap is not.
- With a +8h gap there is no shared 9-to-5 window, so alternate the early start: one week Portugal takes the early slot, the next week Japan does.
- Portugal: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +8h gap.
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 Portugal and Japan
With a +8h offset there is no overlap inside a normal 9 AM – 5 PM day. Japan opens at 9:00 AM JST, which is 5:00 PM in Portugal, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Portugal and Japan have no shared working hours because of the +8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Portugal is 8 hours ahead of Japan (WEST UTC+01:00 → 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
Portugal
☀ 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 Portugal and Japan?
Portugal (WEST, UTC+01:00) is 8 hours ahead of Japan (JST, UTC+09:00). The gap is currently +8h.
How do I convert Portugal time to Japan time?
Add +8h to Portugal local time. For example, 9:00 AM in Portugal is 5:00 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 +8h offset from Portugal.
What is the best time to call Japan from Portugal?
There is no shared working-hours window because of the +8h gap. The closest option is 1:00 PM in Portugal, which is 9:00 PM in Japan.
Which is ahead, Portugal or Japan?
Portugal is 8 hours ahead of Japan. When it is 12:00 PM in Portugal it is 8:00 PM in Japan.
Do Portugal and Japan use different time zones?
Portugal (Portugal) uses WEST at UTC+01:00, while Japan (Japan) uses JST at UTC+09:00. The IANA identifiers are Europe/Lisbon and Asia/Tokyo.
Does daylight saving time affect the Portugal–Japan difference?
Yes at the moment: Portugal is on daylight saving time and Japan is not, so the +8h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Portugal's time zone?
WEST also covers Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
Which countries use WEST, Portugal's zone?
WEST is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Is there a day difference between Portugal and Japan?
Not normally. The +8h gap only pushes the date over for late-evening times.
What is the time difference between Portugal and Japan?
Japan is +8h from Portugal.
What timezone is Portugal in?
Portugal 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 Portugal, what time is it in Japan?
When it is 12:00 AM (midnight) in Portugal (WET), it is +8h later in Japan (JST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Portugal time conversions
- portugal to lisbon
- portugal to wet
- portugal to new york
- portugal to london
- portugal to dubai
- portugal to tokyo
- portugal to singapore
- portugal to sydney
- portugal to los angeles
- portugal to paris
- portugal to delhi
- portugal to mumbai
- portugal to berlin
- portugal to hong kong
- portugal to toronto
- portugal to kathmandu
- new york to portugal
- london to portugal
- dubai to portugal
- tokyo to portugal
- singapore to portugal
- sydney to portugal
- los angeles to portugal
- paris to portugal
- delhi to portugal
- mumbai to portugal
- berlin to portugal
- hong kong to portugal
- toronto to portugal
- kathmandu to portugal
See every conversion from Portugal →·See every conversion from Japan →