Lent is a time of fasting, charity and prayer for many Christians, who observe the period in all sorts of unique ways. LEILA FADEL, HOST: Today is Valentine's Day. It's also Ash Wednesday.

When does Lent begin? Lent began with Ash Wednesday, which is March 5. When does Lent end? Lent ends on Holy Thursday, April 17, with a Mass representing Jesus' last supper.

Orthodox Christians and Eastern Rite Catholics began Lent with Clean Monday. This year, Easter, or Pascha, is celebrated in both the Western and Eastern churches on April 20.