There may be slight variation from place to place and at different times from the Dark Ages through the Middle Ages and onward – e.g., Vespers may be after supper rather than before. This gives a rough outline. Slight liberties are taken in my novels to allow human interactions to play out.
Winter Schedule (from Michaelmas)
2:30 a.m. Preparation for the nocturns of matins – psalms, etc.
3:00 a.m. Matins, with prayers for the royal family and for the dead.
5:00 a.m. Reading in preparation for Lauds.
6:00 a.m. Lauds at daybreak and Prime; wash and break fast (just bread and water, standing).
8:30 a.m. Terce, Morrow Mass, Chapter.
12:00 noon Sext, Sung Mass, midday meal.
2:00 p.m. None.
4:15 p.m. Vespers, Supper, Collatio.
6:15 p.m. Compline.
The Grand Silence begins.
Summer Schedule
1:30 a.m. Preparation for the nocturns of matins – psalms etc.
2:00 a.m. Matins.
3:30 a.m. Lauds at daybreak, wash and break fast.
6:00 a.m. Prime, Morrow Mass, Chapter.
8:00 a.m. Terce, Sung Mass.
11:30 a.m. Sext, midday meal.
2:30 p.m. None.
5:30 p.m. Vespers, Supper, Collatio.
8:00 p.m. Compline.
The Grand Silence begins.