How it works
How this birthday tool works
Birthdays FYI combines lightweight birthday utilities with a famous birthday archive. Date-based tools can connect a birthday to age, weekday, zodiac, birthstone, and people born on the same day.
Free birthday tool
Birthday weekday calculator
Enter a date to learn the weekday of birth and the weekday of the next birthday.
Enter birthday
Results update instantly when you change the date.
Born onSaturday
October 31, 2026 was a Saturday.
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