Ready to use
Age Calculator
Calculate age and next birthday from a birth date.
Open ToolFind out how much time separates two dates.
Choose a start date and an end date, then select Calculate. Use Swap Dates to reverse the inputs, Today to set the end date to today, Clear to reset, and Copy Results to copy the summary.
Compares date-only values without timezone conversion. The calendar difference is shown as years, months, and days, plus total days, weeks, and hours. Weekday and weekend counts include both selected dates.
Dates may be entered in either order. The result uses the earlier date first while noting when the original inputs were reversed.