Date Format Reference

Browse common date format tokens for moment.js, Day.js, date-fns, strftime, SQL, and ISO 8601 — with live examples for any date you choose.

About this tool

The Date Format Reference is a free developer tool. Browse common date format tokens for moment.js, Day.js, date-fns, strftime, SQL, and ISO 8601 — with live examples for any date you choose. Runs directly in the browser with no account required.

Use cases

  • Browse common date format tokens for moment.js, Day.js, date-fns, strftime, SQL, and ISO 8601 — with live examples for any date you choose.
  • Copy date format reference output into tickets, docs, QA notes, support replies, or pull request descriptions.
  • Keep /date-format bookmarked as a repeatable developer utility for focused, copy-friendly work.
  • Validate a quick developer answer before turning it into a spreadsheet formula, command-line snippet, or one-off script.

FAQ

What is the Date Format Reference used for?

Browse common date format tokens for moment.js, Day.js, date-fns, strftime, SQL, and ISO 8601 — with live examples for any date you choose. It runs directly in your browser with no account required.

How do I use the Date Format Reference?

Open /date-format, review the page output, and copy the generated result into your docs, tests, support notes, or debugging workflow.

Does the Date Format Reference have an API?

This page is designed as a browser utility. Use the copy-friendly output when you need to move results into another workflow.

Who is the Date Format Reference for?

The Date Format Reference is useful for developers, QA teams, support teams, operators, and content teams that need reliable developer output without opening a heavier application.