Complete catalog

All date tools

Choose a task below. Your dates and files stay on this device.

Date calculations

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Date Difference

See the difference in years, months, days, and total days.

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Add or Subtract a Date

Move forward or backward by days, weeks, months, or years.

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Age & Anniversary

Calculate an age, the next birthday, and time until an anniversary.

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Days Until or Since

See how many days remain until a date or have passed since it.

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Week & Date Facts

See the week number, day of year, quarter, leap year, and more.

Work schedules

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Business Days

Count or add workdays using your weekends, days off, and public holidays.

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Working Hours

Calculate working time across shifts, weekends, and holidays.

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Work Calendar

Create and save your own workweek, days off, and holiday settings.

Time zones

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Time Zone Converter

Convert a date and time between places around the world.

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Meeting Planner

Find meeting times that fit two to six people in different time zones.

Calendars

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Recurring Dates

Create a daily, weekly, monthly, or yearly list of repeating dates.

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Calendar Maker

Create and print a month or year calendar with your events and workdays.

Create calendar files

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Calendar File Creator

Create a calendar event file for your calendar app.

Check dates and files

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Date Format Checker

Check a date written in a chosen format and spot possible confusion.

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Calendar File Checker

Open a calendar file, review its events, and check for problems.

Work with a list

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Birthday & Anniversary List

Calculate ages and upcoming anniversaries for a list of people.