This month's closing date is the 25th.
Please make the payment by the invoice due date.
Standard spelling for this business term.
Uses the shorthand 〆 for 締め; seen in informal business writing.
Abbreviated kanji form, common in business contexts.
Compound of 締め (shime, 'closing') + 日 (hi, 'day'), with rendaku voicing to び. The kanji 締 means 'tighten' or 'close', reflecting the sense of finalizing accounts or periods.