三さんが日にち

noun

first three days of the New Year (January 1-3)

Refers specifically to the period from January 1st to 3rd, a time when many businesses and government offices are closed and people visit shrines or relax with family.

• 三さんが日にちは初はつ詣もうでに行いく人ひとが多おおい。

  Many people go for their first shrine visit during the first three days of the New Year.

• 三さんが日にちが明あけると、仕し事ごと始はじめだ。

  Once the first three days of the New Year are over, it's back to work.