Shoppers began arriving long before the 10am opening time.

离上午10点开门时间还早，顾客就陆陆续续地来了。

《柯林斯英汉双解大词典》

Sunday 16th December 10am (EARLIER START TIME).

12月16号周日(开始时间较早)。

youdao

We’re also busy on Saturdays from 10am until 1pm then late afternoon onwards.

星期六我们也很忙，从上午10点到下午1点，然后到傍晚时分继续。

youdao

We wouldn't say at 10am he's gonna do this and 10:30 he's gonna do that.

就是说我们不会设定他10点做这个,10：30做那个。

普林斯顿公开课 - 国际座谈会课程节选

If you visit the Staverton surgery in North West London any Saturday you will see there is a queue waiting for the doors to open at 10am.

BBC: What would you do if you were ill on a Saturday morning?

The initial one hit at about 10am.

CNN: Tsunami tragedy: Your e-mails

Please wake me up at 10am.

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