I have a label Teaching time that reflects the time-slot of the day or week a lecture would be taught on. For example, morning, afternoon, evening, weekend...
Is there any better (shorter) British English formulation to describe this?
Classtime (or class-time, class time) — Wiktionary
noun 1. The time devoted to or prepared for a lesson at school or elsewhere; schooltime
Still most commonly encountered as two separate words, rather than in its hyphenate or compounded form.