Happy Monday System (Happī Mandē Seido)

The Happy Monday System (ハッピーマンデー制度 Happī Mandē Seido^?) refers to a set of modifications to Japanese law in 1998^[1] and 2001^[2] to move a number of public holidays in Japan to Mondays, creating a three-day weekend for those who normally have a five-day work week.