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early in/on the morning of, in/ on the early morning of
I left home early on/ in the morning of July 8th.
I left home on/ in the early morning of July 8th.
Do all these four time phrases 'early on/ in the morning of', 'on/ in the early morning of' sound fine?
Might I ask native English teachers to clarify whether these phrases can all be used.
early in/on the morning of, in/ on the early morning of 
Linear Mode
