Dates

Date difference in days, weeks and business days, or a date plus or minus a period.

Days left (D-N) or days since (D+N) any date, time remaining to the hour, and D-100 to D…

Add or subtract time from a start date to get the result date, time and weekday, like 48…

See the weekday, federal holiday status, nth weekday of the month and ISO week for any d…

Shows how many days, hours and minutes passed between two dates and times, and how many …

Build a monthly or yearly calendar with events, colors, photos and federal holidays, and…

Get the exact age in years, months and days, days lived and the next birthday from a dat…

Count the days and seconds since birth and see when milestones such as 10,000 days or 1 …

Counts the days and live time until your next birthday with a birthday ring, shows the w…

Shows the age gap between parent and child, the parent's age at the birth, ages at pre-K…

Find the date, weekday and days left for every milestone birthday from 18th to 100th, pl…

A calculator that turns the date you got together into today's day count and the dates a…

Work out when to start dating so Christmas or any date is day 100, with a year clock and…

Shows the days left this year, working days, federal holidays and breaks left, and the t…

Get the date you reach your goal hours from a weekday plan, see how many hours you are s…

Enter a birth year, age, class year or grade to see kindergarten and high school graduat…

Turn your age into a time of day and compare 80-year, 100-year and life table bases.

Enter your birth date to see whether your life is in spring, summer, autumn or winter, a…