From past experience I'd say he'd probably forgotten the time.

根据过去的经验，我想他可能把时间忘了。

《牛津词典》

From half past four to half past five in the afternoon is our favorite time.

下午四点半到五点是我们最喜欢的时间。

youdao

The children were organized to the laboratory for the first time at the age of 3 and discussed impressed things from their past, such as the first relaxing trip with your family, the first dancing accident you met, and the first day of school.

孩子们在3岁的时候第一次被组织到实验室，讨论他们过去印象深刻的事情，比如第一次和家人的放松旅行，第一次遇到的跳舞失误，以及第一天上学等等。

youdao

The Japanese government bailed out the airline three times in the past 10 years, but it could not save the company from bankruptcy this time around.

VOA: standard.2010.02.01

Now it's high time that we divert from the past or from the notion of liberating the country onto other important things in the economy and education,".

VOA: standard.2009.11.27

Yet within it there are traces of the past that surface from time to time, yet one past trace that I'm sure those of us who live in the British Isles have all seen are the coastal defences rapidly constructed during World War II.

BBC: The Last Stand

Lucic passed it to Krejci in the middle and he immediately passed it to Horton, who shot a 20-footer from the right past Hedberg, playing for the first time this season after Martin Brodeur started the Devils' other four games.

WSJ: Bruins top Devils 2-1 on Marchand's shootout goal

An effective anachronistic touch comes with the chorus, who are dressed as soldiers from wars at any time in the past millennium.

WSJ: Review: High Note in Berlin | 'Lohengrin' at Deutsche Oper