In BrE, there is the term all hours (and its variants), which means (possibly) from early morning until late at night. The term can either be approving or disapproving. Note that Collins does not mention that it can be approving.
The shop is open [at] all hours.
The shop is open (possibly) from early morning until late at night (i.e. all day).
The shop is open until all hours.
The shop is open until late at night.
He stays up until all hours.
He stays up until very late at night.
She is up at all hours.
She (possibly) rises very early, and (possibly) stays up until very late at night.
at all hours [disapproval]
If you say that something happens at all hours of the day or night, you disapprove of it happening at the time that it does or as often as it does.
She didn't want her fourteen-year-old daughter coming home at all hours of the morning.
Collins English Dictionary
The British situation comedy Open All Hours, starring Ronnie Barker and David Jason, is based around a shop-keeper (and his nephew) who keeps his general store open until late into the evening, and closes up when he feels like it.
Wikipedia: Open All Hours