Date & Time Calculators
Counting days by hand is error-prone, especially across months, leap years and overnight shifts. These calculators handle the calendar math for you.
Find an exact age with the age calculator, count calendar or business days with the date calculator, and total a week of shifts with overtime in the hours calculator.
All date & time calculators
🎂 Age Calculator
Calculate exact age in years, months and days, total days lived and days until your next birthday.
📅 Date Calculator
Count days, weeks and business days between two dates, or add and subtract years, months, weeks and days.
🕒 Hours Calculator
Add up hours worked each day, subtract breaks, and calculate weekly overtime and gross pay.