Japan Post announced on October 17th its schedule for mail and parcel delivery on national holidays and substitute holidays in 2026.
Deliveries will be made as usual on New Year's Day and January 3rd. Deliveries will also be made on Greenery Day (May 4th) and Respect for the Aged Day (September 21st).
In addition, special handling services such as express mail, registered mail, cash on delivery, electronic mail (LetterFax), mail with specified delivery time slots and mail with specified delivery dates, special envelope mail (Letter Pack), and parcels such as Yu-Pack, Yu-Packet (including Click Post), and Yu-Mail (limited to special handling services excluding registered mail) will be delivered even on public holidays.