From the given options select the one that rightly explains the given expression:
A red letter day
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Significant and special day
A red letter day is a very important or happy day that one never forgets. The idiom comes from old calendars in which feast days and holy days were printed in red ink.
Example: The day I first set foot in Delhi will always be a red letter day for me.