Date & Time calculators

Age in years, months, and days; the number of days between two dates; working days; and a simple time-card total.

Age, days between dates, working days, and time-card style totals when you need calendar math without a spreadsheet.

Age Calculator · Date Difference Calculator · Working Days Calculator · Time Card Calculator

Find age as years, months, and days from a date of birth to today or to another date you choose.

Count how many days separate two dates, using real calendar dates so month lengths and leap days are included.

Count weekdays (Monday–Friday) between two dates. Holidays are not removed unless you adjust the dates yourself.

Turn clock-in and clock-out times into hours and minutes for a simple time card.

Related guides