Halfday

3 clues
Twelve hours
Like some kindergarten programs
9:00 a.m. to 12:30 p.m., say, for a worker
Similar answers:
Aaronhall
Abrainchallenge
Acephalous
Afishnotawhale
Ahalf
Ahalo
Ahaloneeds
Ahalt
Airmarshal
Alanhale
Alanhalejr
Alberthall
Alexhaley
Allhale
Allhallows
Allhallowseve
Allhallseve
Alphalambdaiota
Alphalandon
Alphaloafisbeta