dayjs vs moment vs luxon vs date-and-time
JavaScript Date Libraries Comparison
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What's JavaScript Date Libraries?

JavaScript date libraries are essential tools for handling dates and times in web development. They provide functionalities for parsing, formatting, manipulating, and displaying dates in a user-friendly manner. These libraries simplify complex date operations, enhance code readability, and help manage time zones and localization, making them invaluable for applications that require accurate date handling. Each library offers unique features, performance optimizations, and design philosophies, catering to different developer needs and project requirements.

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dayjs24,231,80747,638670 kB1,0968 months agoMIT
moment23,002,09648,0774.35 MB281a year agoMIT
luxon12,987,15215,8154.51 MB18411 days agoMIT
date-and-time398,454188442 kB06 months agoMIT
Feature Comparison: dayjs vs moment vs luxon vs date-and-time

Size and Performance

  • dayjs:

    Day.js is extremely lightweight (around 2KB) and offers a performance-oriented approach. It is designed to be a drop-in replacement for Moment.js, providing similar functionality with a much smaller footprint.

  • moment:

    Moment.js is the most feature-rich but also the heaviest library. It is not recommended for new projects due to its size and performance issues, especially in large applications.

  • luxon:

    Luxon is larger than Day.js but provides extensive features, especially for time zone handling. It is optimized for modern JavaScript environments but may not be as lightweight as others.

  • date-and-time:

    This library is lightweight and optimized for performance, making it suitable for applications where bundle size is a concern. It focuses on essential date operations without unnecessary bloat.

Time Zone Support

  • dayjs:

    Day.js offers time zone support through a plugin, making it flexible for developers who need it without adding unnecessary weight to the core library.

  • moment:

    Moment.js has robust time zone support through the Moment Timezone add-on. However, it can be cumbersome and is less efficient compared to Luxon.

  • luxon:

    Luxon excels in time zone management, built on the Intl API. It allows for easy manipulation and formatting of dates across different time zones, making it ideal for global applications.

  • date-and-time:

    This library has limited support for time zones and primarily focuses on local date manipulation. It may not be suitable for applications requiring extensive time zone handling.

Localization

  • dayjs:

    Day.js supports localization through plugins, enabling developers to format dates according to various locales while keeping the core library lightweight.

  • moment:

    Moment.js has strong localization capabilities, supporting numerous languages and formats. However, it requires additional configuration and can be heavy on resources.

  • luxon:

    Luxon provides extensive localization features, leveraging the Intl API for formatting dates, times, and durations according to different locales, making it ideal for international applications.

  • date-and-time:

    Date-and-time offers basic localization features, allowing for simple formatting based on locale but lacks comprehensive internationalization support.

API Design and Usability

  • dayjs:

    Day.js mimics the Moment.js API closely, making it easy for developers familiar with Moment to transition. Its design promotes simplicity and ease of use.

  • moment:

    Moment.js has a comprehensive API with extensive functionalities, but it can be overwhelming for new users. Its design is more complex, which may lead to a steeper learning curve.

  • luxon:

    Luxon's API is modern and intuitive, emphasizing immutability and chainable methods. It is designed for developers who need a clear and powerful interface for date manipulation.

  • date-and-time:

    The API is straightforward and easy to use, focusing on essential date functions. It is suitable for developers looking for simplicity without complex features.

Maintenance and Community Support

  • dayjs:

    Day.js has gained popularity quickly and is actively maintained, with a growing community that provides plugins and support, making it a reliable choice for modern projects.

  • moment:

    Moment.js is well-established with extensive community support and resources. However, it is no longer recommended for new projects, as it is in maintenance mode and not actively evolving.

  • luxon:

    Luxon is actively maintained and backed by the creator of Moment.js, ensuring ongoing support and updates. Its community is also growing, particularly among developers needing robust date handling.

  • date-and-time:

    This library is actively maintained but has a smaller community compared to others, which may limit available resources and support.

How to Choose: dayjs vs moment vs luxon vs date-and-time
  • dayjs:

    Choose dayjs for a modern, lightweight alternative to Moment.js with a similar API. It is perfect for projects that require a small bundle size and good performance while still needing comprehensive date manipulation capabilities.

  • moment:

    Choose moment if you need a well-established library with extensive features and community support. It is suitable for legacy projects or when you require a comprehensive solution for date manipulation, despite its larger size and performance concerns.

  • luxon:

    Choose luxon if your project requires robust support for time zones and internationalization. Luxon is built on the modern Intl API and is ideal for applications that need to handle complex date and time scenarios across different locales.

  • date-and-time:

    Choose date-and-time if you need a lightweight library focused on basic date manipulation and formatting without the overhead of additional features. It is ideal for simple applications where performance is a priority.

Similar Npm Packages to dayjs

dayjs is a lightweight JavaScript library for parsing, validating, manipulating, and formatting dates. It is designed to be a modern alternative to Moment.js, providing a similar API while being significantly smaller in size. Day.js is particularly useful for developers looking for a simple and efficient way to handle dates without the overhead of larger libraries. Its immutable data structures and plugin system allow for extensibility and flexibility, making it a popular choice for date manipulation in web applications.

However, there are several alternatives to Day.js that also provide robust date handling capabilities:

  • date-fns is a popular date utility library that offers a comprehensive set of functions for date manipulation. Unlike Day.js, which provides an object-oriented approach, date-fns takes a functional programming approach, allowing developers to import only the functions they need. This modular design results in a smaller bundle size and better performance. If you prefer a functional style and want to avoid the overhead of a full library, date-fns is an excellent choice.

  • js-joda is a date and time library that is inspired by the Java 8 Date and Time API. It provides a comprehensive set of features for working with dates and times, including support for time zones and durations. js-joda is particularly useful for applications that require precise date and time calculations or need to handle complex date scenarios. If you are familiar with the Java Date and Time API, js-joda may feel more intuitive.

  • luxon is a powerful library for working with dates and times in JavaScript. Created by one of the Moment.js developers, Luxon provides a rich set of features, including time zone support, localization, and formatting. It is built on the modern JavaScript Date API and offers an easy-to-use API for manipulating dates and times. If you need advanced features like time zone handling and localization, Luxon is a great option.

  • moment is one of the most well-known date libraries in the JavaScript ecosystem. While it has been widely used for many years, it is larger in size compared to newer libraries like Day.js and date-fns. Moment.js provides a comprehensive set of features for date manipulation, but due to its size and performance concerns, it is recommended to consider lighter alternatives for new projects.

To see how Day.js compares with date-fns, js-joda, Luxon, and Moment, check out the comparison: Comparing date-fns vs dayjs vs js-joda vs luxon vs moment.

Similar Npm Packages to moment

moment is a widely-used JavaScript library for parsing, validating, manipulating, and formatting dates and times. It provides a simple and intuitive API that allows developers to work with dates in a way that is both powerful and easy to understand. However, as applications have evolved, some developers have sought alternatives to moment due to its large size and performance considerations. Here are a few popular alternatives:

  • date-fns is a modern JavaScript date utility library that provides a comprehensive set of functions for manipulating dates. Unlike moment, which is a monolithic library, date-fns is modular, allowing developers to import only the functions they need. This modularity results in smaller bundle sizes and improved performance. date-fns is a great choice for developers looking for a lightweight and functional approach to date manipulation without sacrificing functionality.

  • dayjs is a minimalist JavaScript library that offers a similar API to moment but with a much smaller footprint. It is designed to be a drop-in replacement for moment, making it easy for developers to transition without having to learn a new API. dayjs is particularly useful for projects where performance and bundle size are critical, as it provides many of the same features as moment while being significantly lighter.

  • luxon is a powerful library for working with dates and times in JavaScript, created by one of the Moment.js maintainers. It offers a rich set of features, including support for time zones, localization, and formatting. luxon is built on the modern JavaScript Date API and provides a more robust solution for applications that require advanced date and time manipulation. If your project needs to handle complex date scenarios, such as time zone conversions or internationalization, luxon is an excellent choice.

To see how moment compares with date-fns, dayjs, and luxon, check out the comparison: Comparing date-fns vs dayjs vs luxon vs moment.

Similar Npm Packages to luxon

luxon is a powerful library for working with dates and times in JavaScript. It provides a comprehensive set of features for parsing, formatting, and manipulating dates and times, making it an excellent choice for applications that require robust date handling. Luxon is built on the modern JavaScript Date API and offers a more intuitive and user-friendly interface compared to the native Date object. It also supports time zones, which is a significant advantage for applications that need to handle dates and times across different regions.

While Luxon is a great option for date and time manipulation, there are several alternatives that developers can consider:

  • date-fns is a popular library that offers a modular approach to date manipulation. It provides a wide range of functions for formatting, parsing, and manipulating dates, allowing developers to import only the functions they need. This modularity helps keep bundle sizes small and improves performance. If you prefer a functional programming style and want to avoid the overhead of a large library, date-fns is an excellent choice.
  • dayjs is another lightweight alternative to Luxon that offers a simple and elegant API for date manipulation. It is designed to be a drop-in replacement for Moment.js, providing similar functionality with a much smaller footprint. Day.js is particularly useful for projects that require a minimalistic approach to date handling without sacrificing performance. Its API is easy to use, making it a great choice for developers looking for a straightforward solution.

To see how Luxon compares with date-fns and dayjs, check out the comparison: Comparing luxon vs date-fns vs dayjs.

Similar Npm Packages to date-and-time

date-and-time is a lightweight JavaScript library for parsing, formatting, and manipulating dates and times. It provides a simple API that makes it easy to work with date and time values in various formats. While date-and-time is a solid choice for handling date and time operations, there are several alternatives that also offer robust features for date manipulation. Here are a few notable options:

  • dayjs is a minimalist JavaScript library that provides a simple and efficient way to work with dates. It is designed to be a lightweight alternative to Moment.js, offering similar functionality with a much smaller footprint. Day.js is immutable and chainable, making it easy to perform multiple operations on dates without modifying the original object. If you're looking for a fast and efficient library for date manipulation without the overhead of larger libraries, Day.js is an excellent choice.
  • luxon is a powerful library for working with dates and times in JavaScript. Developed by one of the Moment.js authors, Luxon provides a rich set of features, including time zone support, localization, and easy formatting. It is built on the modern JavaScript Date API and offers a more comprehensive solution for applications that require advanced date and time handling. If your project involves complex date operations, especially with time zones, Luxon is a great option to consider.
  • moment is one of the most popular date manipulation libraries in the JavaScript ecosystem. It provides a wide range of features for parsing, formatting, and manipulating dates and times. However, Moment.js has a larger bundle size compared to other libraries, which has led to a shift towards lighter alternatives like Day.js and Luxon. Despite its size, Moment.js is still widely used due to its extensive functionality and ease of use. If you need a comprehensive solution and are not concerned about bundle size, Moment.js remains a viable option.

To see how date-and-time compares with Day.js, Luxon, and Moment, check out the comparison: Comparing date-and-time vs dayjs vs luxon vs moment.

README for dayjs

English | 简体中文 | 日本語 | Português Brasileiro | 한국어 | Español (España) | Русский | Türkçe | සිංහල | עברית

Day.js

Fast 2kB alternative to Moment.js with the same modern API

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Day.js is a minimalist JavaScript library that parses, validates, manipulates, and displays dates and times for modern browsers with a largely Moment.js-compatible API. If you use Moment.js, you already know how to use Day.js.

dayjs().startOf('month').add(1, 'day').set('year', 2018).format('YYYY-MM-DD HH:mm:ss');
  • 🕒 Familiar Moment.js API & patterns
  • 💪 Immutable
  • 🔥 Chainable
  • 🌐 I18n support
  • 📦 2kb mini library
  • 👫 All browsers supported

Getting Started

Documentation

You can find more details, API, and other docs on day.js.org website.

Installation

npm install dayjs --save

📚Installation Guide

API

It's easy to use Day.js APIs to parse, validate, manipulate, and display dates and times.

dayjs('2018-08-08') // parse

dayjs().format('{YYYY} MM-DDTHH:mm:ss SSS [Z] A') // display

dayjs().set('month', 3).month() // get & set

dayjs().add(1, 'year') // manipulate

dayjs().isBefore(dayjs()) // query

📚API Reference

I18n

Day.js has great support for internationalization.

But none of them will be included in your build unless you use it.

import 'dayjs/locale/es' // load on demand

dayjs.locale('es') // use Spanish locale globally

dayjs('2018-05-05').locale('zh-cn').format() // use Chinese Simplified locale in a specific instance

📚Internationalization

Plugin

A plugin is an independent module that can be added to Day.js to extend functionality or add new features.

import advancedFormat from 'dayjs/plugin/advancedFormat' // load on demand

dayjs.extend(advancedFormat) // use plugin

dayjs().format('Q Do k kk X x') // more available formats

📚Plugin List

Usage Trend

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website.

[Become a sponsor via Github] [Become a sponsor via OpenCollective]

                                                                        BestKru          Route Optimizer and Route Planner Software

Contributors

This project exists thanks to all the people who contribute.

Please give us a 💖 star 💖 to support us. Thank you.

And thank you to all our backers! 🙏


License

Day.js is licensed under a MIT License.

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