also: じょうにち · じょうじつ
Refers to a predetermined or scheduled date, often used in formal or administrative contexts such as payment deadlines, meetings, or legal appointments.
会議の定日は毎月第一月曜日です。
The fixed date for the meeting is the first Monday of every month.
If you miss the appointed payment date, a late fee will be charged.
Standard kanji spelling; the most common reading is ていじつ.
Alternate reading; less common than ていじつ.
Alternate reading; less common than ていじつ.
Compound of 定 (てい, 'fixed, determined') and 日 (じつ, 'day'). The reading ていじつ is the standard on'yomi combination. Alternate readings じょうにち and じょうじつ are less common and may reflect older or dialectal variations.