# Is luxon ESM-only? Can you require() it?

> luxon@3.7.2 ships CommonJS and ESM builds. Dual package — require() works on every Node.js version we test; import works too.

Immutable date wrapper

Last verified Sep 9, 2026 against luxon@3.7.2.

luxon publishes both a CommonJS entry and a native ESM entry (ESM added in 2.5.0). require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12. import "luxon" works alongside it.

## What to do

1. Nothing to change. require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12. import * as luxon from "luxon" works alongside it; use named imports for what the ESM entry exports.
2. TypeScript: npm install -D @types/luxon

## Facts

- Latest: 3.7.2 (Sep 5, 2025)
- Module format: Dual (CommonJS + ESM)
- Last CommonJS version: 3.7.2
- Native ESM since: 2.5.0
- TypeScript types: @types/luxon
- Node engines: >=12
- Weekly downloads: 34.3M
- License: MIT

## Runtime test results for luxon@3.7.2

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

| Runtime | require("luxon") | import "luxon" |
|---|---|---|
| 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 1.4.0 | works | works |

## How to import luxon

ES modules:

```js
import * as luxon from "luxon";
```

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS:

```js
const luxon = require("luxon");
```

## Module format by version

Derived from the type, main and exports fields of every stable release on npm (150 versions; the newest 60 shown).

| Versions | Format | First published |
|---|---|---|
| 2.5.0 – 3.7.2 | Dual (CommonJS + ESM) | Jul 9, 2022 |
| 1.17.0 – 2.4.0 | CommonJS | Jul 11, 2019 |

## Frequently asked

**Is luxon ESM-only?**

luxon@3.7.2 ships CommonJS and ESM builds. luxon publishes both a CommonJS entry and a native ESM entry (ESM added in 2.5.0). require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12. import "luxon" works alongside it.

**Can I require luxon?**

Yes. luxon ships a CommonJS entry alongside the native ESM entry. require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12.

**Does luxon work in Bun?**

Yes. import "luxon" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

**Does luxon ship TypeScript types?**

Not bundled. Install the community types with "npm install -D @types/luxon".

## Links

- [luxon on npm](https://www.npmjs.com/package/luxon)
- [Source repository](https://github.com/moment/luxon)
- [HTML version](https://canirequire.com/package/luxon/)
- [JSON version](https://canirequire.com/package/luxon.json)

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