noun
just after Obon; the period immediately after Obon
Refers to the time right after the Obon festival (mid-August in most regions), when businesses and schools resume normal activity.
See also: お盆
盆明けの月曜日は、道路がとても混む。
On the Monday just after Obon, the roads are very crowded.
盆明けから新学期が始まる学校が多い。
Many schools start the new term right after Obon.