Day shift vs Night shift vs Mid day shift?

[Davy07]

Here is my question, what will you call it between day shift and night shift?

Day shift: am 8:00- pm 4:00
Night shift: pm 8:00-
what about pm12:00- pm 8:00?

Thank you in advance.
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Only the Paranoid Survive

[Mister Micawber]

I'd call it the 'afternoon shift', I think. There is also the 'swing shift', but that is 4 pm to midnight.

(PS: Be careful of the word 'midday'-- it is a bit inflammatory here at English-test.net! For many people it refers to precisely noon only.)
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Native English teacher at Mister Micawber's