Get the month name of a date

Look up the English month name of a date.

JavaScript Version 1.0.0 · MIT · .md

function monthName(date) { return ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'][new Date(date).getUTCMonth()]; }

Try in the local lab Download function

Input & expected output

Input

"2026-10-28"

Expected output

"October"

The edge case

Input

"2026-01-01"

Expected output

"January"

Know the limits

English only. For other languages use new Intl.DateTimeFormat(locale, { month: "long", timeZone: "UTC" }).

The function above is the implementation used by the lab. The lab validates JSON types and caps size before execution; include equivalent validation when accepting untrusted input in your application.

Source & maintenance

Reads the UTC month. Original MDX retained as inert source evidence.

Maintained by Oveyon. Source commit: 14b481cf60df. Read the license.

Local fixture scope · Node.js 22.23.2 · reviewed October 28, 2026. No external service is required.

Keep exploring

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