The Divine Offices
These were the services held throughout the day and night. Times varied according to the seasons, with, for example, daybreak offices much earlier during the summer months. There were seven services during the day, plus Vigils at night.
Lauds - Daybreak.
Prime – Sunrise
Terce – Mid Morning
Sext - Midday
None - Mid afternoon
Vespers - Dusk
Compline - Before retiring to bed
Vigils - During the night