early closing 
noun [mass noun] British
The practice of shutting business premises on a particular afternoon every week: [as modifier]: it’s early-closing day...
- For some time most of the big stores and a number of other shops have remained open on Wednesdays, the traditional early closing day.
- You'd think the absence of early closing in the supermarket's opening times might have suggested to me that such a theory is not true, but somehow it never quite sinks in.
- News cinemas, like early closing days, may still exist somewhere but I rather doubt it.