week starting (on certain date)
week starting (on certain date)
fattybumbum
reina
They won on Saturday 30 July 1966, so in the week commencing Monday 25 July.
Commencing means to begin.
Synonyms for "commencing" are "starting" or "beginning".
Beginning is commencing.
work that is meant to do for the week
work you are meant to do for the week
commencing ommencement
Commences; or; is commencing