Paris and Tokyo Time Zone Comparison
The distance between Paris and Tokyo is felt not just in kilometers, but in time zones too. Paris and Tokyo sit on different continents, in noticeably different time zones, and at least one of them observes daylight saving time.
Because Paris and/or Tokyo observe daylight saving time for part of the year, the gap between them isn't fixed — it ranges between 7 and 8 hours depending on the season.
With a gap this large, business hours barely overlap between Paris and Tokyo — an early morning or a late evening on one side is usually needed to connect with the other.