Morning

crepusculum

(the part of the day after midnight and before midday — see also AM)

mane

(the part of the day after midnight and before midday — see also AM)

matutina tempora

(the part of the day after midnight and before midday — see also AM)

matutinum

(the part of the day after midnight and before midday — see also AM)

māne

(part of the day between dawn and midday)

mātūtīnum

(part of the day between dawn and midday)