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》

Can I call you tomorrow morning at 10am PT?

明天上午10点我能打电话叫你吗？

youdao

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

12月16号周日(开始时间较早)。

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

This year Interface 2015 will take place on 9 September 2015 from 10am-6pm at York St John University.

UNESCO: 'Interface 2015' to be held in York UNESCO City of Media Arts

Free parking will be available from 10am each day for up to four hours.

BBC: Free parking during Llanelli town centre revamp

The phoneline is open from 10am to 1am from 24 December to 1 January.

BBC: Surviving the big day