Tokyo to Portugal
-8hTokyo
JSTSOURCEPortugal
WESTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and WEST on the World Map
The map below highlights the JST (Japan Standard Time) and WEST (Western European 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.
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.
About Tokyo
WikipediaTokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
The Tokyo subway system moves approximately 8.7 million passengers daily.
Time Conversion Guide: Tokyo to Portugal
Tokyo runs on Japan Standard Time (JST) at UTC+09:00. Portugal runs on Western European Summer Time (WEST) at UTC+01:00, also currently on daylight saving time. That puts Tokyo 8 hours behind Portugal — a difference of -8h at the current offsets.
In practice, when it is 9:00 AM in Tokyo it is 1:00 AM in Portugal. Midnight in Tokyo is 4:00 PM in Portugal.Portugal observes daylight saving time while Tokyo does not, so the gap narrows or widens by an hour part of the year.
Tokyo to Portugal time conversion table
| Tokyo (JST) | Portugal (WEST) | Day |
|---|---|---|
| 12:00 AM | 4:00 PM | previous day |
| 6:00 AM | 10:00 PM | previous day |
| 7:00 AM | 11:00 PM | previous day |
| 8:00 AM | 12:00 AM | same day |
| 9:00 AM | 1:00 AM | same day |
| 12:00 PM | 4:00 AM | same day |
| 3:00 PM | 7:00 AM | same day |
| 5:00 PM | 9:00 AM | same day |
| 6:00 PM | 10:00 AM | same day |
| 9:00 PM | 1:00 PM | same day |
Why people convert Tokyo to Portugal time
- Scheduling a call from Tokyo to Portugal: a 10:00 AM start in Tokyo lands at 2:00 AM in Portugal, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -8h gap: Tokyo and Portugal 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 Portugal is 1:00 AM in Tokyo.
- Watching a live event or market open: Tokyo viewers need 1:00 AM in Portugal to catch a 9:00 AM start there, and 8:00 AM if the event is anchored to Tokyo.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" 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 Tokyo takes the early slot, the next week Portugal does.
- Portugal: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 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).
Best time to call between Tokyo and Portugal
With a -8h offset there is no overlap inside a normal 9 AM – 5 PM day. Portugal opens at 9:00 AM WEST, which is 1:00 AM in Tokyo, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Tokyo and Portugal have no shared working hours because of the -8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Tokyo is 8 hours behind Portugal (JST UTC+09:00 → WEST UTC+01:00). 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
Tokyo
Does not observe DST
Portugal
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 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 Tokyo and Portugal?
Tokyo (JST, UTC+09:00) is 8 hours behind Portugal (WEST, UTC+01:00). The gap is currently -8h.
How do I convert Tokyo time to Portugal time?
Add -8h to Tokyo local time. For example, 9:00 AM in Tokyo is 1:00 AM in Portugal.
What time is it in Portugal right now?
Portugal uses WEST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -8h offset from Tokyo.
What is the best time to call Portugal from Tokyo?
There is no shared working-hours window because of the -8h gap. The closest option is 1:00 PM in Tokyo, which is 5:00 AM in Portugal.
Which is behind, Tokyo or Portugal?
Tokyo is 8 hours behind Portugal. When it is 12:00 PM in Tokyo it is 4:00 AM in Portugal.
Do Tokyo and Portugal use different time zones?
Tokyo (Japan) uses JST at UTC+09:00, while Portugal (Portugal) uses WEST at UTC+01:00. The IANA identifiers are Asia/Tokyo and Europe/Lisbon.
Does daylight saving time affect the Tokyo–Portugal difference?
Yes at the moment: Portugal is on daylight saving time and Tokyo is not, so the -8h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Tokyo's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Tokyo's zone?
JST is used in Japan.
Is there a day difference between Tokyo and Portugal?
Not normally. The -8h gap only pushes the date over the previous day.
What is the time difference between Tokyo and Portugal?
Portugal is -8h from Tokyo.
What timezone is Tokyo in?
Tokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
What timezone is Portugal in?
Portugal operates on its local timezone.
What are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
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 WET timezone?
Major cities in the WET timezone include Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
What is the UTC offset for WET?
Western European Time (WET) is at UTC+00:00. During daylight saving time, it shifts to WEST.
What should I know about the WET timezone?
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).
When is it midnight in Tokyo, what time is it in Portugal?
When it is 12:00 AM (midnight) in Tokyo (JST), it is -8h later in Portugal (WET).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Tokyo time conversions
- tokyo to osaka
- tokyo to jst
- tokyo to japan
- tokyo to dubai
- tokyo to mumbai
- tokyo to delhi
- tokyo to bangalore
- tokyo to kathmandu
- tokyo to bangkok
- tokyo to singapore
- tokyo to hong kong
- tokyo to shanghai
- tokyo to beijing
- tokyo to seoul
- tokyo to new york
- tokyo to london
- tokyo to sydney
- tokyo to los angeles
- tokyo to paris
- tokyo to berlin
- tokyo to toronto
- new york to tokyo
- london to tokyo
- dubai to tokyo
- singapore to tokyo
- sydney to tokyo
- los angeles to tokyo
- paris to tokyo
- delhi to tokyo
- mumbai to tokyo
- berlin to tokyo
- hong kong to tokyo
- toronto to tokyo
- kathmandu to tokyo
See every conversion from Tokyo →·See every conversion from Portugal →