ハツカショウガツ
Meanings
Noun
1. twentieth day of the first month (end of New Year celebrations, upon which remaining New Year's food is eaten, decorations are stowed away, etc.)
Pitch accent
ハ
ツカショ
ウガツ
Composed of
twentieth day of the month; twenty days
New Year (esp. first three days); first month of the year; January