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Fun & Utilities

Date Picker Calendar

A month calendar to pick a date and view it in ISO, locale, weekday, day-of-year and ISO week formats, with copy buttons.

Runs in your browser Your input never leaves your device.

Use arrow keys to move between days, Page Up/Down to change month, Enter or Space to select.

About this tool

A month-view calendar where you click a day to select it. Move between months with Prev and Next, jump with the month and year controls, or press Today. The selected date is shown as an ISO 8601 date, a long date in your browser's locale, the weekday, the day of the year and the ISO 8601 week number, each with a copy button. You can use the keyboard: arrow keys move by day or week, Page Up and Page Down change month, Home and End jump to the start or end of the month, and Enter or Space select. Weeks start on Monday and nothing is sent anywhere.

How to use it

  1. Navigate to the month and year you want.
  2. Click a day, or move with the arrow keys and press Enter.
  3. Read the date in the formats listed.
  4. Press Copy next to the format you need.

Common problems

The locale text is in the wrong language
Locale formatting follows your browser's language setting.
The year field does nothing
Enter a year between 1 and 9999 and press Enter or leave the field.