Season Morning Day Evening Night
Spring 05:00-09:59 10:00-16:59 17:00-19:59 20:00-04:59
Summer 04:00-08:59 09:00-18:59 19:00-20:59 21:00-03:59
Autumn 05:00-09:59 10:00-16:59 17:00-19:59 20:00-04:59
Winter 07:00-10:59 11:00-15:59 16:00-18:59 19:00-06:59
This is the time frames for the terms to match the season's 24 hour clock cycle. Hope this helps!