The Blog
Guides, tips and fun facts about age, birthdays, leap years, zodiac signs and everything to do with dates.
How Old Am I? Calculate Your Age by Date of Birth
The quickest way to answer “how old am I?” — free, private and accurate to the day.
How Old Will I Be? Future Age & Milestones
See your age on any future date and pin down when you turn 18, 21 or 30.
When Is My Next Birthday? Countdown by Date of Birth
How many days until your birthday — and which weekday it lands on this year.
What Day of the Week Were You Born?
Discover the exact weekday you were born — and confirm your birth year.
Who Is Older? Compare Two People by Date of Birth
Find out who’s older and by exactly how much — years, months and days.
How Old Is My Dog? Dog Age by Date of Birth
Convert your dog’s birth date to human years with the modern formula.
Life Expectancy by Date of Birth: How Estimates Work
What “when will I die” calculators really measure — and why it’s an estimate.
Conception Date Calculator: When Did Pregnancy Begin?
Estimate conception timing and the fertile window from your due date or last period.
How to Calculate Your Exact Age (the Easy Way)
Years, months and days — here’s exactly how age is worked out and how to get it right every time.
Leap Years Explained: Why February 29 Matters
What leap years are, why they exist, and how they affect your true age and days lived.
Zodiac Signs & Birthstones by Birth Date
Find your star sign, Chinese zodiac animal, element and birthstone — and what each one means.
How Many Days Have You Actually Lived?
A surprising look at counting your life in days, weeks and hours — and why it puts time in perspective.