South Dakota Directory

Birthday & Milestone Calculators

Plan for major birthdays (16, 18, 21) and upcoming celebrations. Verified for South Dakota residency and legal requirements in 2024.

Exact countdown in minutes and seconds until your next celebration.

Track upcoming legal, career, and social age milestones.

A high-precision breakdown of your total time on Earth.

The quickest way to see what's coming next for your age.