People in all kinds of religious traditions, including Judaism and Christianity, have been marking time with prayer for almost as long as we've divided the day into hours. "Praying the hours," as it's called, has always reminded us that God walks with us throughout each day; "praying the hours" is also a way that the community of faith comes together, whether we're united all in one place or scattered like raindrops.

In the Episcopal Church, the Book of Common Prayer offers beautiful services for morning, noon, evening, and nighttime in a section called "The Daily Office" (pp...