How Old Am I If I Was Born In 2005? Age by Birth Year Chart
Your age from your birth year, before and after your birthday, for 2026 and 2027. A full chart from 1950 to 2024,…
Born on 29 February: When Do You Legally Turn 18?
Leap day babies legally turn a year older on 28 February or 1 March, depending on where they live. The rule, the…
Why Excel’s DATEDIF Gives the Wrong Age (and a Formula That Works)
Excel's DATEDIF "MD" unit can return a wrong or negative number of days. Here's the exact-age formula that works, with a worked…
How Old Am I in Weeks? (Age in Weeks Chart)
Count your days alive and divide by 7, or multiply your age by 52.18. A 30-year-old is about 1,565 weeks old. Full…
Gen Alpha Years: When Were Gen Alphas Born and How Old Are They?
Generation Alpha is usually defined as born 2010 to 2024, or 2013 to 2024 in many US sources. Ages in 2026, the…
What Year Will I Turn 18, 21, 30 or 65? (Lookup Table)
Add the age to your birth year. A lookup table for turning 18, 21, 30, 40, 50 and 65, plus the birthday…
What Day of the Week Was I Born? (And What Monday’s Child Means)
Find the weekday you were born in seconds, what the Monday's Child rhyme says about each day, and a mental trick to…
How Many Work Hours Are in a Year? (2026 and 2027, US and UK)
There are 2,080 work hours in a year at 40 hours a week, but only about 2,000 after US holidays. Full 2026…
How Many Business Days Are in 2027? (US and UK, Month by Month)
2027 has 261 weekdays: 249 US federal business days and 253 in England and Wales. Full holiday lists, a month-by-month table and…
What Percent of the Year Has Passed? Formula and Month-by-Month Table
How much of the year has passed at the end of each month, the exact halfway point, and an Excel or Google…