The closing date for entries is December 31.

参赛作品提交的截止日期是12月31日。

The closing date for entries is noon, Friday, January 11.

登记参加的截止日期为1月11日星期五中午。

The closing date for entries is 31 March.

参赛作品的截止期是3月31日。

The closing date was October 31.

截止日期为10月31日。

Don't contribute after the closing date.

请在截止日期前投稿。