ひづけ日付hizukeひづ日付hizuけke
1.
The specific day, month, and year that are recorded on documents to indicate when they were created or submitted.
2.
The numerical representation of a day, month, and year on a calendar that signifies a point in time.
3.
The act of noting or marking the time-related details on a written item such as a letter or invoice to establish its timeframe.
Example:
その手紙の日付はいつですか。