1.
collection day; pickup day
The designated day on which garbage, recyclables, or other waste is collected by the municipal service. An essential part of daily life in Japan, where garbage sorting and collection schedules are strictly followed.
A compound of 収集 (collection) + 日 (day). Almost exclusively used for garbage and recycling pickup schedules.
Common collocations
Cultural note
In Japan, each type of waste has its own designated collection day:
Putting out garbage on the wrong day is considered a serious breach of neighborhood etiquette. New residents typically receive a 収集日カレンダー from the local ward or city office.