birth date

American  

[burth-deyt] / ˈbɜrθˌdeɪt /

Or birthdate

noun

1. the date of a person’s birth, usually expressed as a specific day, month, and year.

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Etymology

Origin of birth date

First recorded in 1550–1600

Example Sentences

See Examples For:

birth date

Your payment date depends on your birth date, so your first payment will generally arrive the month after your first month of entitlement, regardless of whether your birthday is on, say, Oct.

From MarketWatch ● Jul. 28, 2026

They verified his birth date in two registries, and filled in the paperwork to register him for a possible record as a joke, she added.

From Barron's ● May 15, 2026

For Claude, HealthEx needed my birth date, phone number, face scan and a driver’s license for verification.

From The Wall Street Journal ● Apr. 4, 2026

According to the detective, the cooperator identified Quintero by his legal name, nickname and birth date — even describing a distinctive tribal band tattoo on his arm.

From Los Angeles Times ● Oct. 10, 2025

Actually he had been interested in the horoscope for a spurious birth date but Mack had never mentioned it again and so Doc forgot it.

From "Cannery Row" by John Steinbeck