prayer, and reflection for Muslims, begins at sundown on February 28th and ends with Eid al-Fitr on March 30th. Laylat Al-Qadr, the holiest night of Ramadan, is expected to fall on March 26 this year.

This group, sometimes called the “nones,” is less inclined than other Americans toward frequent prayer. Second, the self-reported frequency of prayer has declined among U.S. adults in some of the ...