10月21日
Also known as October 21st, 21st of October, 21 October, Oct 21
日期
AI overview
October 21 is the 294th day of the year in the Gregorian calendar (or 295th in leap years). It matters primarily as a reference point for marking time and organizing calendars and schedules.
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Article · 中文
10月21日是公历一年中的第294天（闰年第295天），离全年的结束还有71天。
Abstract from DBpedia / Wikipedia · CC BY-SA