I will be on leave during the week commencing 15 February.

我将从2月15日开始一周的休假。

《牛津词典》

There are three 15 week trimesters commencing in January, May and September respectively. Not all subjects are offered in each trimester. Most subjects are offered once per year.

有三个学期(每个学期为期15周)，开课时间分别为一月，五月和九月。不是所有的课程每个学期都开设。大部分课程每年仅开设一次。

youdao

All four were remanded in custody for sentencing in the week commencing 15 April.

BBC: Kevin Bennett killing: Three boys guilty of murder

The ties are scheduled to be played in the week commencing 10 August.

BBC: Clubs discover Carling Cup fate

After a meeting with the FA at Wembley, Lowestoft club officials have confirmed that tickets will be available week commencing 14th April.

BBC: Wembley tickets on sale next week