Everything you need to know about Japanese New Year in Tokyo: traditions, food, the first sunrise and where to go for Western-style. New Year (shogatsu or oshogatsu) is the most important holiday in Japan. Most businesses shut down from January 1 to January 3, and. The Japanese New Year (正月, Shōgatsu) is an annual festival with its own customs. Since , the official Japanese New Year has been celebrated according Date : January 1. New Year in Australia — Traditions and Customs. Anything we can improve? Can Japanese Pop Group AKB48 Get Any Faker? Is It A Waste of Time? Most businesses shut down from January 1 to January 3, and families typically gather to spend the days .