Time & Date Calculators
Calculate ages, date differences, time durations, working days, countdowns and other useful time and date calculations.
Choose a calculator
Find simple tools for calculating dates, times, durations, ages and working days.
Age Calculator
Calculate your exact age from your date of birth.
Date Difference Calculator
Find the number of days, weeks, months or years between dates.
Date Add & Subtract
Add or subtract days, weeks, months or years from a date.
Time Duration Calculator
Calculate the duration between two times.
Time Add & Subtract
Add or subtract hours, minutes and seconds.
Business Days Calculator
Calculate working days between two dates.
Countdown Calculator
Calculate the remaining time until a future date.
Day of the Week
Find which day of the week a date falls on.
Week Number Calculator
Find the calendar week number for a given date.
Leap Year Calculator
Check whether a year is a leap year.
Time Zone Converter
Convert a time between different time zones.
Time Unit Converter
Convert seconds, minutes, hours, days and other time units.
Make time calculations simple
Calcaxa brings useful date and time tools together so you can quickly calculate durations, dates, ages and working days.
Quick results
Calculate dates and times quickly without doing the calculations manually.
Easy to understand
Enter your dates or times and get clear, useful results.
Use anywhere
Access your time and date tools from desktop, tablet or mobile.