Moment.js 
Moment.js is used by 0.49% of sites
Official Website
https://momentjs.comCategory
JavaScript Libraries
Moment.js is a widely used JavaScript library for working with dates, times, and durations. It provides an extensive set of features and functions that make it easier to parse, manipulate, format, and display dates and times in JavaScript.
Here are some key features and functionalities of Moment.js:
Date and Time Parsing: Moment.js allows you to parse date and time strings into JavaScript Date objects. It provides flexible parsing options and supports a wide range of date and time formats, making it easier to handle different input formats.
Date Manipulation: Moment.js offers a range of functions for manipulating dates and times. You can add or subtract time intervals, such as days, months, or years, to a given date or calculate the difference between two dates. This makes it useful for tasks like calculating durations or performing date arithmetic.
Formatting and Display: Moment.js provides a comprehensive set of formatting options to display dates and times in a desired format. You can easily customize the output format by specifying various tokens, such as year, month, day, hour, minute, and more.
Localization: Moment.js supports localization, allowing you to format dates and times according to different languages and regions. It includes built-in localization for various languages, and you can also create custom localization settings.
Timezone Support: Moment.js enables you to work with timezones, convert dates and times between different timezones, and display them accurately. It handles daylight saving time transitions and provides functions to adjust for timezone offsets.
Relative Time: Moment.js has built-in functionality for displaying relative time, such as "2 hours ago" or "in 5 days." It simplifies the process of displaying time differences in a human-readable format.
Duration Calculation: Moment.js allows you to work with durations, representing a span of time. You can add, subtract, or compare durations, making it useful for tasks involving time intervals or measuring durations between events.
It's worth noting that while Moment.js has been widely used in the past, the library is now considered a legacy project, and its development has been largely frozen since 2020. The Moment team recommends using alternatives like Luxon, Date-fns, or the native JavaScript Date object with additional helper libraries like date-fns or Day.js, as these libraries offer better performance, modern features, and ongoing development.
If you are starting a new project or considering using Moment.js, it's recommended to explore these alternatives based on your specific requirements and the overall ecosystem of your JavaScript application.
Here are some key features and functionalities of Moment.js:
Date and Time Parsing: Moment.js allows you to parse date and time strings into JavaScript Date objects. It provides flexible parsing options and supports a wide range of date and time formats, making it easier to handle different input formats.
Date Manipulation: Moment.js offers a range of functions for manipulating dates and times. You can add or subtract time intervals, such as days, months, or years, to a given date or calculate the difference between two dates. This makes it useful for tasks like calculating durations or performing date arithmetic.
Formatting and Display: Moment.js provides a comprehensive set of formatting options to display dates and times in a desired format. You can easily customize the output format by specifying various tokens, such as year, month, day, hour, minute, and more.
Localization: Moment.js supports localization, allowing you to format dates and times according to different languages and regions. It includes built-in localization for various languages, and you can also create custom localization settings.
Timezone Support: Moment.js enables you to work with timezones, convert dates and times between different timezones, and display them accurately. It handles daylight saving time transitions and provides functions to adjust for timezone offsets.
Relative Time: Moment.js has built-in functionality for displaying relative time, such as "2 hours ago" or "in 5 days." It simplifies the process of displaying time differences in a human-readable format.
Duration Calculation: Moment.js allows you to work with durations, representing a span of time. You can add, subtract, or compare durations, making it useful for tasks involving time intervals or measuring durations between events.
It's worth noting that while Moment.js has been widely used in the past, the library is now considered a legacy project, and its development has been largely frozen since 2020. The Moment team recommends using alternatives like Luxon, Date-fns, or the native JavaScript Date object with additional helper libraries like date-fns or Day.js, as these libraries offer better performance, modern features, and ongoing development.
If you are starting a new project or considering using Moment.js, it's recommended to explore these alternatives based on your specific requirements and the overall ecosystem of your JavaScript application.