Consistency · hard · v4.6.1

CON-03

Use consistent date and time formats. Spell out the month to avoid ambiguity.

Pass example

March 16, 2026

Fail example

3/16/26

Relevant content types

Version history

  1. v4.6.1 · 2026-04-23

    Per-standard version tracking introduced. Every standard starts at the library version current at introduction; bump per-standard when the rule text, examples, or content_type_notes change.

Related standards

Other standards in the Consistency category.

  • CON-01 — Use consistent terminology. Don't switch between synonyms for the same concept.
  • CON-02 — Use sentence case for headings and UI labels, not title case.
  • CON-04 — Use the same word for the same action throughout the product. Don't mix 'delete,' 'remove,' and 'trash.'
  • CON-05 — Capitalize product names and features consistently. Follow the product's own conventions.

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