We should do sports for half an hour or forty minutes every morning or every evening, such as going for a walk, playing basketball or football, swimming and so on.

我们应该每天早上或晚上做半个小时或40分钟的运动，如散步、打篮球、踢足球、游泳等等。

youdao

Every evening, every hour.

每到夜晚，每一个小时。

youdao

In its overview, GAO said the Office of Cuba Broadcasting lacks a formal strategic plan to guide decision-making on its funding and operations, including a proposal to reduce TV Mart newscasts from two 30 minute evening programs to five minute news updates every half hour.

VOA: standard.2009.06.18