I work nine to five.

我九点至五点上班。

《牛津词典》

Those parents who work nine to five won't have time to have as much input as, say, stay-at-home mums who have the time to contribute more and go to more school events.

那些朝九晚五上班的父母，不像全职妈妈那么有时间，后者有更多的时间投入到孩子身上，参加更多学校活动。

youdao

I wish I could go to work in a factory, nine to five.

我要是能在一家工厂朝九晚五地上班就好了。

《柯林斯英汉双解大词典》

Some work in an office doing the same things every day at nine-to-five jobs.

VOA: special.2009.07.26

After two years, my teaching contracts ended, so I said hasta luego to my life on the Iberian Peninsula and moved back in with my parents to work a nine-to-five desk job in Washington DC, dealing with financial reviews, company deadlines, terrible co-workers and fax machines that never worked.

BBC: How I quit my job to travel: The blogger

She found that nearly all her subjects had been forced by competing claims of jobs and families to look for jobs at which they could work when they wanted to work, rather than be squeezed into some nine-to-five, one-size-fits-all organizational schedule.

FORBES: Everyday revolutionaries

The other thing most of the least stressful jobs have in common: At the end of the day, people in these professions can leave their work behind, and their hours tend to be the traditional nine to five.

FORBES: The Least Stressful Jobs Of 2013