All your date calculations in one place

Age and birthdays

Age calculator

Calculate your exact age in years, months and days, plus total days lived and your next birthday.

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Date differences

Days between dates

Calculate the number of days, weeks and months between two dates.

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Add and subtract

Add days to a date

Add any number of days to a date instantly.

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Add and subtract

Subtract days from a date

Subtract days from a date and find the exact earlier date.

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Business days

Business days between dates

Count business days, weekends and calendar days between dates.

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Date differences

Weeks between dates

Calculate complete weeks and remaining days between dates.

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Date differences

Months between dates

Calculate approximate months and calendar difference between dates.

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Add and subtract

What date will it be in X days?

Quickly find the date after a selected number of days.

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Add and subtract

What date was X days ago?

Calculate the exact date a selected number of days ago.

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Calendar

Day of the week calculator

Find the weekday for any date.

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Calendar

Week number calculator

Find the week number for any date.

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Countdowns

Days until Christmas

Live countdown to the next Christmas.

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Countdowns

Days until New Year

Find out how long remains until the next New Year.

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Countdowns

Days until Halloween

Live countdown to the next Halloween.

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Countdowns

Days until Valentine's Day

Calculate how many days remain until the next Valentine’s Day.

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Countdowns

Days until Easter

Countdown calculated for the next Easter Sunday.

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Age and birthdays

Days until my birthday

Calculate how many days remain until your next birthday.

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Calendar

Online calendar

Browse a fast, responsive monthly calendar.

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