Common Hour

Porto to Tokyo+8h

🇵🇹   Portugal · Europe/Lisbon
10:37
Porto · UTC+01
+8h
🇯🇵   Japan · Asia/Tokyo
18:37
Tokyo · UTC+09

The live delta between Porto (Europe/Lisbon) and Tokyo (Asia/Tokyo) is +8h. Teams spanning the 10879 km between them usually lock in the 09:00–10:00 Porto window as the sweet spot, since that's when both offices are staffed.

Distance: 10,879 kmWork window overlap: 09:00–10:00 Porto
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24 hours in parallel
Hour AHour BOverlap?
00:0008:00
01:0009:00
02:0010:00
03:0011:00
04:0012:00
05:0013:00
06:0014:00
07:0015:00
08:0016:00
09:0017:00
10:0018:00
11:0019:00
12:0020:00
13:0021:00
14:0022:00
15:0023:00
16:0000:00
17:0001:00
18:0002:00
19:0003:00
20:0004:00
21:0005:00
22:0006:00
23:0007:00
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Frequently asked questions

What is the time difference between Porto and Tokyo?

Right now Tokyo is +8h compared to Porto, although the gap can shift by one hour during daylight saving transitions.

Which city is ahead, Porto or Tokyo?

Tokyo is ahead of Porto. When Porto starts the workday, Tokyo is already several hours into it.

What is the best time to schedule a meeting between Porto and Tokyo?

The overlap of business hours is 09:00–10:00 Porto. Mornings in Porto usually map to late afternoon or evening in Tokyo, depending on the season.

Do Portugal and Japan observe daylight saving time?

DST behavior differs between Portugal and Japan, so the gap is not constant year-round. Always re-check the offset close to the meeting date.

How can I convert a specific hour from Porto to Tokyo?

Use the 24-hour mapping table on this page. Each row shows the equivalent hour in both cities for the current offset.

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Related city pairs
PortoTokyoPortugalJapanEurope/LisbonAsia/Tokyo← All comparisons