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Is moment-timezone ESM-only? Can you require() it?

Parse and display moments in any timezone.

Last verified Sep 9, 2026 against moment-timezone@0.6.3. JSON

CommonJS CommonJS — require() works on every Node.js version

moment-timezone ships CommonJS only. require("moment-timezone") works everywhere. import "moment-timezone" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Latest
0.6.3 (Jul 19, 2026)
Module format
CommonJS
Last CommonJS version
0.6.3
TypeScript types
Bundled
Node engines
*
Weekly downloads
15.8M
License
MIT

Does moment-timezone@0.6.3 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("moment-timezone") from a CommonJS file and import "moment-timezone" from an ES module.

Runtimerequire("moment-timezone")import "moment-timezone"
Node.js 18✓ works✓ works
Node.js 20✓ works✓ works
Node.js 22✓ works✓ works
Node.js 24✓ works✓ works
Node.js 26✓ works✓ works
Bun 1.4✓ works✓ works

How to import moment-timezone

ES modules (import)

import momentTimezone from "moment-timezone";

Named imports from a CommonJS package only work when Node.js can statically detect them. If a named import fails, use the default import and destructure.

CommonJS (require)

const momentTimezone = require("moment-timezone");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (69 versions; the newest 60 shown).

VersionsFormatFirst published
0.2.3 – 0.6.3CommonJSOct 20, 2014

Frequently asked

Is moment-timezone ESM-only?

moment-timezone@0.6.3 is a CommonJS package. moment-timezone ships CommonJS only. require("moment-timezone") works everywhere. import "moment-timezone" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Can I import moment-timezone with ES module syntax?

Yes. import momentTimezone from "moment-timezone" works in Node.js and Bun because they support importing CommonJS modules. Named imports work only when Node.js can statically detect the exports.

Does moment-timezone work in Bun?

Yes. import "moment-timezone" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does moment-timezone ship TypeScript types?

Yes. moment-timezone bundles its own type declarations; no @types package is needed.

Links

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