Birthday Calculator

Discover which day of the week your birthday will fall on for the next 10 years, and track exact dates for major life milestones.

What is a Birthday Milestone?

Major birthdays like 18 (adulthood), 21 (milestone age), 30, 40, 50, and 100 represent special moments in life. Planning these events in advance starts by knowing which day of the week the date falls on so you can arrange weekend gatherings or vacation trips without scheduling surprises.