of'
is a dead metaphor for 'about to experience', and to complete it with
'the dawn of a day' is as bad as to say, _It cost one pound sterling,
ten_ instead of _one pound ten_.

C. Spoilt Metaphor

The essential merit of real or live metaphor being to add vividness to
what is being conveyed, it need hardly be said that accuracy of detail
is even more necessary in metaphorical than in literal expressions;
the habit of metaphor, however, and the habit of accuracy do not
always go together.

_Yet Taur