Date calculators

Your exact age, the days between two dates, business days with public holidays, the week number, hours and time zones, and countdowns to the dates that matter. Every count is done on the calendar, so nobody loses a day to a time zone.

• Age Calculator

  Find your exact age in years, months and days, and how long until your next birthday.

• Date Difference

  Count the days, weeks and months between any two dates.

• Days Until

  How many days are left until a holiday, a deadline or any future date.

• Business Days

  Count business days between dates, or find when a deadline in working days lands.

• Time Zone Converter

  What time is it there, and what time will your meeting be for them.

• Week Number

  Which week of the year a date falls in, and the week it belongs to.

• Day of the Year

  The sequential day number, how many remain, and how much of the year has passed.

• Countdown Timer

  A live countdown to any date: days, hours, minutes and seconds, ticking.

• Time Calculator

  Add hours and minutes, or find the time between two clock times.

• Hours Between Two Times

  How long from clock-in to clock-out, with the break taken off (night shifts included).

• Add and Subtract Time

  Add up durations in hours and minutes: the sum an ordinary calculator gets wrong.

• What Time Will It Be

  The time a set number of hours or minutes from now, past midnight if it goes there.