noun
last day of the Bon festival
Refers specifically to July 20 (in most regions) as the final day of the Bon festival period. The term is relatively specialized and may not be widely known outside of traditional or regional contexts.
裏盆には、先祖の霊を送る行事が行われる。
On the last day of the Bon festival, a ceremony to send off the ancestors' spirits is held.
地域によっては、裏盆を特に大切にする風習が残っている。
In some regions, the custom of observing the last day of the Bon festival remains especially important.