1
general::
Phrase(s): bright and early
very early in the morning or the workday. • Yes, I’ll be there bright and early. • I want to see you here on time tomorrow, bright and early, or you’re fired!
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Early in the morning, at dawn, as in It's a long trip, so we'll have to start out bright and early. The bright here presumably alludes to the brilliance of the dawning sun, which has long been noted by poets. [Early 1800s]
American Heritage Idioms