noun
date stamp
A stamp or mark that shows the date, often used on documents, packages, or library books.
郵便局で書類に日付印を押してもらった。
I had the document stamped with a date stamp at the post office.
図書館の本には返却期限の日付印が押してある。
The library book has a date stamp showing the due date.
Compound of 日付 (date) and 印 (stamp, seal).