Consider the following two sentences:

A year has twelve months
yī nián yǒu shí’èr gè yuè

A year has three hundred and sixty-five days
yī nián yǒu sānbǎi liùshíwǔ tiān

Why is the measureword 個 left out in the second sentence? What is the general grammar rule for cases like this?

  • 一年有十二月 Would mean "One year has December in it"
    – Curiosity
    May 8, 2020 at 21:15

1 Answer 1


Some nouns need a classifier, some don't; 月(month) needs one but 天(day) doesn't.

一年有十二個月 - 月(month) needs a classifier

一年有十二個月份 - 月份(month) needs a classifier

一年有五十二週 - 週(week) doesn't need a classifier

一年有五十二個星期 - 星期(week) needs a classifier

一年有三百六十五天 - 天(day) doesn't need a classifier

一年有四季 - 季(season) doesn't need a classifier

一年有四個季節 - 季節 (season) needs a classifier

一小時有六十分鐘 - 分鐘(minute) doesn't need a classifier

一分鐘有六十秒 - 秒(second) doesn't need a classifier

Generally, if a noun can be a classifier itself, it usually doesn't need a classifier. 週, 天, 季, 分鐘 and 秒 can all be classifier

Example: 三週工資, 兩天比賽, 一季收成, 幾分鐘路程, 幾秒時間

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