Traffic/turn restrictions for holidays have not yet been implemented in Japan.
Please support Japanese national holidays.

If Sunday becomes a national holiday, Monday falls under the holiday in lieu, etc. There are detailed rules. The dates that fall under holidays are listed in the following law
https://laws.e-gov.go.jp/law/323AC1000000178/

Similar proposals outside of Japan have already been implemented and should be less burdensome.
https://waze.uservoice.com/forums/59225-map-editor-suggestions/suggestions/10815186-holiday-based-turn-traffic-restrictions