Alexis experiences the symptoms of major depressive disorder, but only during midwinter. what kind of depression does alexis have?

Alexis has seasonal depression, also known as seasonal affective disorder (SAD). This kind of depression is a mood disorder that the patient experiences one time at the year in a repetitive fashion. There are summer and winter depression, Alexis likely experience the later which usually starts in fall or winter and ends in spring or early summer.

is there a year set? the question is incomplete