Word: 日子 (rìzi) 日子 dictionary entry rìzi day; a (calendar) date; days of one's life Full dictionary entry for 日子 Example sentences using 日子 3 sentences, showing page 1 of 1. 今天是什么日子？ Jīntiān shì shénme rìzi? What day is it today? 我怎能忘记那些日子呢？ Wǒ zěn néng wàngjì nèixiē rìzi ne? How can I forget those days? 明天是个大日子。 Míngtiān shì gè dà rìzi. Tomorrow's going to be a big day.