What Happens Once In A Year, Twice In A Week, And Never In A Day?

Riddle: What happens once in a year, twice in a week, and never in a day?

Answer: The letter E.

Source: https://www.riddles.com/10509

What happens once in a year, twice in a week, and never in a day? — What happens once in a year, twice in a week, and never in a day? by Noah............... v1.

Riddle: What happens once in a year, twice in a week, and never in a day? Answer: The letter E. — by Noah............... v2.