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Which of the following returns the hour for a date as a number between 0 and 23?

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Which of the following returns the hour for a date as a number between 0 and 23?

(a) $minute

(b) $hour

(c) $seconds

(d) All of the mentioned

This question was addressed to me during an internship interview.

Question is from Pipeline Operators topic in division Aggregation Concepts and Aggregation Mechanics of MongoDB

1 Answer

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Best answer
Right choice is (b) $hour

Easy explanation: The argument in hour statement can be any expression as long as it resolves to a date.

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