If you sign a contract with a term exactly of one year, the probationary period can arguably be thirty days or sixty days.

如果你签订的合同期限正好为一年，试用期到底是三十天还是六十天是有争议的。

youdao

It is common knowledge that there are only thirty days in a month. Counting the time of one night for half a day, our forefathers managed to expend the month by fifteen days.

一个月本来只有三十天，古人把每个夜晚的时间算作半天，就多了十五天。

youdao

It os common knoeledge that there are only thirty days in a month. Counting the time of one night for half a day, our forefathers managed to expend the month by fifteen days.

一个月本来只有三十天，古人把每个夜晚的时间算作半天，就多了十五天。

youdao

There's twenty-one days, there's thirty days, there's twenty-four hours. Now look at this!

有二十一天法,三十天法,二十四小时法,还有这个

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