Benchmark: luxon vs datefns vs moment

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@1.26.0/build/global/luxon.min.js"></script>
<script src="https://igor.moomers.org/random/datefns.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script>

Script Preparation code:

window.ds = "2020-02-19T00:51:53.623839+00:00";

Tests:

datefns
window.datefns.parseISO(window.ds)
luxon
luxon.DateTime.fromISO(ds);
moment
moment(ds)

Historical Performance Data aggregated from 62 community runs

Desktop Results:

Chrome 56 runs

datefns

673K/s

luxon

472K/s

moment

166K/s

Fastest: datefns (4.1x faster)

View exact numbers

✓ datefns: 673,151 ops/sec
• luxon: 471,704 ops/sec
• moment: 165,508 ops/sec

Firefox 6 runs

datefns

437K/s

luxon

230K/s

moment

116K/s

Fastest: datefns (3.8x faster)

View exact numbers

✓ datefns: 436,760 ops/sec
• luxon: 230,061 ops/sec
• moment: 116,283 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
datefns
luxon
moment

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 Edg/137.0.0.0

Browser/OS: Chrome 137 on Windows

View result in a separate tab

datefns

651K/s

luxon

409K/s

moment

145K/s

View exact numbers

Test name	Executions per second
✓ datefns	651,308 Ops/sec
luxon	409,290 Ops/sec
moment	145,018 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

**Overview**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark compares the performance of three date parsing libraries: Luxon, Datefns, and Moment.js.

**Library Overview**

1. **Luxon**: Luxon is a modern JavaScript library for working with dates and times. It provides a simple and intuitive API for parsing, formatting, and manipulating dates.
2. **Datefns**: Datefns is another popular JavaScript library for date and time manipulation. It provides a range of functions for parsing, formatting, and comparing dates.
3. **Moment.js**: Moment.js is a widely-used JavaScript library for working with dates and times. It provides an extensive set of features for parsing, formatting, and manipulating dates.

**Benchmark Definition**

The benchmark definition json represents three test cases:

1. `window.datefns.parseISO(window.ds)`
2. `luxon.DateTime.fromISO(ds);`
3. `moment(ds)`

Each test case measures the execution time of a specific date parsing function from each library.

**Options Compared**

The benchmark compares two options for each library:

1. **Luxon**:
	* `luxon.DateTime.fromISO(ds)`
	* Alternative implementation using Luxon's `DateTime` class and a simple ISO date string parser
2. **Datefns**:
	* `datefns.parseISO(window.ds)`
	* Alternative implementation using Datefns' `parseISO` function with a custom options object
3. **Moment.js**:
	* `moment(ds)`
	* Alternative implementation using Moment.js' `moment` function with a custom ISO date string parser

**Pros and Cons**

Here's a brief summary of the pros and cons of each option:

1. **Luxon**:
	* Pros: Simple and intuitive API, fast execution times
	* Cons: Less features than Datefns and Moment.js for date manipulation
2. **Datefns**:
	* Pros: Robust feature set for date manipulation, flexible options
	* Cons: Steeper learning curve, slower execution times compared to Luxon
3. **Moment.js**:
	* Pros: Extensive feature set for date manipulation, widely adopted and well-documented
	* Cons: Larger bundle size, slower execution times compared to Luxon and Datefns

**Special JS Features or Syntax**

None of the libraries mentioned use special JavaScript features or syntax that would affect the benchmark results.

**Other Alternatives**

If you're looking for alternative date parsing libraries, some options include:

1. **Day.js**: A lightweight and fast library for working with dates.
2. **Date-Picker**: A simple and intuitive library for displaying and manipulating dates on a calendar interface.
3. **js-joda**: A JavaScript port of the popular Joda-Time library.

Keep in mind that these libraries may not have the same feature set as Luxon, Datefns, or Moment.js, so be sure to evaluate their specific use cases before choosing one.

luxon vs datefns vs moment (version: 0)

Comparing performance of: `datefns vs luxon vs moment`

Created: 5 years ago by: Guest

Go to the latest result

datefns

luxon

moment

Historical Performance Data aggregated from 62 community runs

Desktop Results:

Chrome 56 runs

Firefox 6 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

luxon vs datefns vs moment (version: 0)

Comparing performance of: datefns vs luxon vs moment

Created: 5 years ago by: Guest

Go to the latest result

datefns

luxon

moment

Historical Performance Data aggregated from 62 community runs

Desktop Results:

Chrome 56 runs

Firefox 6 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

Related benchmarks

Comparing performance of: `datefns vs luxon vs moment`