matinal ... and vespertine Named for the church services, or were the church services named for the time of day? (In other words, which came first?)

[complete aside] They must be firing the big guns at Ft. Knox again. Maybe they got some new ones, or maybe the atmospheric conditions are carrying the reverberations more than usual. Last Sat. morning, our deck was vibrating to it...and Ft. Knox is thirty miles away. But I'm hearing the muffled booms, even now.