The major religion in Japan is called Shintoism - an offshoot of Buddhism and other eastern faiths. As such, they do not celebrate "Christmas" per se, since Christmas is a holiday in the Christian religion only. This is why I found the mid-80s hunger relief song "Do They Know it's Christmas", the "Band-Aid" song, so bizarre - 99% of the children starving in Ethiopia were not Christians, so of course they didn't know it's Christmas. The title of the song might just as well have been "Do They Know It's Passover?" or "Do they Know it's Buddha's Birthday?"
Japanese people that are Christian and celebrate Christmas do so on Christmas Day.
If they choose to celebrate they do so wherever they are on that day, just like everyone else.
There is really no traditional Christmas Day meal, though Japanese people usually do buy (generally a strawberry shortcake) Christmas cake.
Japan is not Christian and doesn’t celebrate Christmas.
Polish people celebrate Christmas and Easter. They also celebrate Constitution day, All Saint's day, and they celebrate their Independence Day in November.
Christmas Eave
Japanese celebrate Christmas in Tokyo in much the same manner that Valentines day is celebrated. Christmas decorations are placed up but Christmas is a romantic holiday, so it is common to see many couples out on the streets in Tokyo.
No.
They don't celebrate Christmas
The Japanese don't celebrate Christmas - it's a Christian (Western) holiday.
Christmas is the day people celebrate the birth of Jesus Christ.
Because most of the Japanese people are Shinto or Buddhist.