date-fns + @date-fns/tz

Purpose

Use this skill to implement, review, and refactor date/time code with modern date-fns and the native timezone package @date-fns/tz.

Version baseline (re-check when invoked)

• date-fns latest verified: 4.1.0
• @date-fns/tz latest verified: 1.4.1
• Re-check commands:
  • npm view date-fns version
  • npm view @date-fns/tz version
  • npm view date-fns dist-tags --json
  • npm view @date-fns/tz dist-tags --json

When to use