The best replacement for date of birth is birth date.

The best alternatives to date of birth are rated as following:
★★★★★  birth date
★  birthday

Your alternative for date of birth is not listed? Suggest!
Speaking about date of birth, one probably shouldn't forget about pan number.

Other search terms related to date of birth and their ratings are:

★★★★★ pan number
★★★★★ zodiac sign
★★★★★ nakshatra
★★★★ horoscope
★★★★ name numerology
★★★★ personality
★★★ astrology
★★★ numerology
★★ time astrology
★★ ssn
★★ rashi
sun sign
name compatibility
You have in mind a companion for date of birth and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of date of birth in all years. Click on graph for more.
date of birth
birth date