Exit JavaScript Date, Enter Moment.js!

Why Moment.js is best compared to JavaScript Date Object?

Quick Summary: Moment.js excels over the JavaScript Date object due to its extensive time zone support, precise date arithmetic, and user-friendly API. It simplifies complex time zone conversions, offers superior data manipulation capabilities, and provides a seamless experience for developers working with dates and times in JavaScript. Keep reading to know more.


It may not be easy to work with dates and timings with JavaScript. The Native Date object is not very user-friendly and can be difficult to parse, validate, and format dates. Moment.Js is the best to face this challenge.

Additionally, It provides a more intuitive API than the native date object and offers a wide range of features.

Moment.js has become widely acclaimed as a popular JavaScript date and time management library. Developers often prefer it over the native JavaScript Date object due to its numerous advantages.

But it would help to consider why Momentjs excels as the top choice for handling dates and times.

We will provide you with an answer to this.

Further, if you are looking for a better way to work with dates and times in your JavaScript projects, then you must go through this article. And here are the Hire Best Javascript Developers.

What is Moment.js?

Momentjs is an open-source JavaScript library that eliminates the need to directly utilize the local JavaScript Date object. The library is built with a Javascript Date object (in the same way that jQuery is a library built with JavaScript), making the thing much easier to work with.

Additionally, it is also the best one among Top Javascript Frameworks.

The issue with the Java and JavaScript Date object isn’t its usefulness; it’s simply very awkward to use as a developer. To do complex parsing, validation, and displaying dates, you’ll write a great deal of code. Additionally, Moment js extends native JavaScript Date capabilities with features such as relative time, calendar time, durations, and multi-language support. It has an endless list of plugins that allow for features like time-zone support, recurrence, and Twitter integration.

Understanding the Limitations of JavaScript Date Object

The Date JavaScript object is a valuable resource for managing dates and timings in web development. Nevertheless, developers should be aware of its limits to prevent potential problems.

Its handling of time zones is a severe drawback. JavaScript Date objects have inconsistencies when working with dates from multiple time zones since they depend on the user’s local time zone. Additionally, the transition to daylight saving time may cause strange behavior.

The need for built-in formatting options is another problem. It is frequently necessary to use custom code or external libraries to format dates with JavaScript following particular styles.

It’s crucial to understand the Date object’s constrained time range, which runs from 1970 to 231-1 milliseconds (about 285,616 years) after then. Dates outside of this range could result in errors.

Finally, the lack of thorough date arithmetic capabilities in JavaScript’s Date object makes date calculations more difficult.

Knowing these restrictions enables programmers to choose wisely and look into alternate options when necessary, resulting in a more seamless experience while working with dates in JavaScript.

Time-zone Handling

Understanding time zone complexities in JavaScript Date

Dealing with time zones in JavaScript new data can be challenging due to the inherent complexities. While the JavaScript Date object offers basic time zone capabilities, it must provide comprehensive support for handling diverse time zones and daylight-saving time changes. Consequently, this limitation can result in inaccuracies and confusion, particularly in global applications that cater to users across different regions.

Moment.js approach to handling time zones effectively.

To address the limitations of the JavaScript Date object, developers often opt for libraries like Momentjs. Moment.js cdn is a widely-used and powerful tool with extensive features for effectively managing time zones. Its user-friendly API allows for easy parsing, manipulation, and display of dates in various time zones, making it a popular choice for projects requiring precise time-zone conversions.

With Moment Js, time-zone offsets are automatically detected and handled, ensuring accurate local time display regardless of the user’s location. The library also makes daylight-saving time adjustments, relieving developers of the manual complexities involved. By integrating Momentjs, developers can focus on building robust applications without being concerned about timezone-related issues.

Practical examples illustrating the benefits of Moment.js in time-zone conversions

Let’s explore practical examples to showcase the benefits of using Moment Js in time-zone conversions:

  • Example 1: Displaying Local Time
  • Imagine a global event scheduling application. By utilizing Moment.js, we can effortlessly convert a UTC timestamp to the user’s local time zone, providing them with the precise local start time of the event. No matter where the user is, this offers a smooth user experience.
  • Example 2: Timezone-Aware Date Arithmetic
  • Consider a scenario where a user needs to schedule a meeting in their local time zone while considering the duration and potential time zone differences with other participants. Momentjs simplifies this task by enabling developers to perform timezone-aware date arithmetic, making it easier to find suitable meeting times across various regions.
  • Example 3: Daylight Saving Time Handling
  • Daylight saving time changes can create confusion in date and time calculations. However, Momentjs automatically considers these changes, ensuring that events and deadlines are accurately adjusted for users in regions that observe daylight saving time.

Performance and Size Considerations

Analyzing the performance of Moment.js compared to the JavaScript Date object

When working with dates and times in JavaScript, developers must consider performance a critical factor. Momentjs, a widely used library, provides an impressive array of features for efficient data management. However, assessing its implementation is essential compared to the native JavaScript Date object.

The JavaScript Date object, inherent to the language, benefits from built-in optimizations, making it highly capable of handling essential date and time operations, particularly within the user’s local time zone. Nevertheless, its limitations become apparent when faced with complex time-zone conversions and intricate date arithmetic.

On the other hand, Momentjs offers comprehensive time-zone support and robust data manipulation capabilities, exceeding what the Date object provides. However, this enhanced functionality may come at a performance cost. While Momentjs excels in precise time zone conversions, it may perform slightly less than the native Date object in simple date operations.

Ultimately, the selection between Momentjs and the JavaScript Date object hinges on the specific requirements of each project. For applications heavily reliant on data manipulations across multiple time zones, Moment.js proves to be an invaluable tool, outweighing any potential performance differences.

Discussing the impact on bundle size and optimizations

When incorporating Moment.js into a project, the impact on the bundle size becomes a crucial consideration. Being an external library, Momentjs contributes to the overall size of the JavaScript code users must download when accessing the web application. It can affect page loading times and the overall user experience, especially for those on slower internet connections or mobile devices.

Developers can use various optimization strategies to mitigate the influence on bundle size. One practical approach is using tree-shaking, eliminating unused library parts during bundling. Developers can significantly reduce the final bundle size by selectively importing only the necessary features from Momentjs.

Furthermore, modern bundlers and tools offer code-splitting capabilities, separating Momentjs into a chunk that loads asynchronously when required. It optimizes the initial page loading by deferring the loading of Momentjs until needed, thereby reducing the initial payload size.

Moreover, considering the widespread popularity of Momentjs, users might already have the library cached in their browsers if they visit multiple websites utilizing the same library. In such cases, the impact on bundle size and loading times may be minimal or negligible.

Community and Support

Overview of the Moment.js community and user base

Since its inception, Moment.js has cultivated a lively and engaged community of developers and users. As an open-source library, it has achieved widespread popularity within the JavaScript ecosystem, becoming a top choice for date and time handling. The Momentjs community is known for its diversity and inclusivity, embracing developers of all experience levels.

With a substantial user base, Momentjs has undergone extensive testing and implementation in real-world applications, ensuring its reliability and strength. The library’s growth has been significantly bolstered by contributions from developers worldwide, who actively report issues, propose enhancements, and develop plugins to expand its capabilities. This collaborative and supportive environment has been integral to the continuous improvement and success of Momentjs as a trusted tool for managing dates and times in JavaScript projects.

Support, documentation, and resources available for developers

The Momentjs community extends outstanding support to developers through multiple channels. A dedicated GitHub repository is the primary hub for issue tracking, bug reporting, and feature requests, allowing maintainers and contributors to engage with users and promptly address their queries and concerns.

Extensive documentation is readily available, providing in-depth insights into Moment Js API and usage. This well-structured Moment documentation comprises examples, explanations, and usage guidelines, enabling developers to grasp and implement the library’s features quickly.

Furthermore, the community offers additional resources, including tutorials and blog posts, enriching developers’ understanding of Momentjs. The active involvement of the community and the availability of these resources foster a supportive and encouraging environment for developers incorporating Momentjs into their projects. Such comprehensive support and accessible resources contribute significantly to the library’s continued success and popularity in the JavaScript ecosystem.

Why Moment.js?

It works for the client side as well as for the back-end side. I believe it’s the best JavaScript library to use rather than the Date object.

It upholds internationalization and localization, which is especially significant for front-end developers. It means that they don’t need to provide support (like creating interpretation files) for extra interpretations for languages that are currently executed in our applications.

The bundle of available options is stunning: It probably provides everything that a front-end developer might use in an application. I can’t sort out a situation where I would need to override or expand its functionalities.

Installation or Setup Moment.js


You can either download the JS file from the official website or use cdnjs.com

With local JS file

<script src="moment.js"></script>

With CDN

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment.min.js">


npm install moment

A moment should be included inside the node_modules directory, Then add it to your script.

var moment = require('moment');


Examples of Moment.js

  • To get the current date and time, just call moment() with no parameters
    • var now = moment();
  • String
    • var day = moment(“2022-02-14”);
  • String + Format
    • moment(“02-08-2022”, “MM-DD-YYYY”);
  • String + Formats
    • moment(“08-02-2022”, [“MM-DD-YYYY”, “DD-MM”, “DD-MM-YYYY”])
      Special Formats
    • moment(“2022-01-01T05:06:07”, moment.ISO_8601);
    • moment(“2022-01-01T05:06:07”, [“YYYY”, moment.ISO_8601]);
  • Object
moment({ hour:15, minute:10 });
			moment({ y: 2022, M: 2, d: 8, h:15, m: 10, s: 3, ms: 123 });
			moment({ year: 2022, month: 2, day: 8, hour: 15, minute: 10, second: 3, millisecond: 123 });
			moment({ years: 2022, months: 2, days: 8, hours: 15, minutes: 10, seconds: 3, milliseconds: 123 });
			moment({ years: 2022, months: 2, date: 8, hours: 15, minutes: 10, seconds: 3, milliseconds: 123 });
			moment({ years: 2022, months: '2', date: '8', hours: '15', minutes: '10', seconds: '3', milliseconds: '123'});
  • Unix Timestamp
    • var day = moment.unix(1644818693);
  • Date
    • var day = new Date(2022, 02, 08); var dayWrapper = moment(day);
  • Array
    • moment([2022, 1, 14, 15, 25, 50, 125]); // February 14th, 3:25:50.125 PM
  • UTC
    • moment().format(); // 2022-02-08T10:35:24-08:00
    • moment.utc().format(); // 2022-02-08T18:35:24+00:00
  • parseZone
    • moment.parseZone(“2022-02-08T00:00:00-13:00”).utcOffset(); // -780 (“-13:00” in total minutes)
    • moment.parseZone(‘2022 02 08 05 -13:00’, ‘YYYY MM DD HH ZZ’).utcOffset(); // -780 (“-13:00” in total minutes)
    • moment.parseZone(‘2022-02-08-13:00’, [‘DD MM YYYY ZZ’, ‘YYYY MM DD ZZ’]).utcOffset(); // -780 (“-13:00” in total minutes);
  • Validations
    • new Date(2022, 25, 14).toString(); // “Sat Feb 14 2022 00:00:00 GMT-0500 (EST)”
    • moment([2022, 25, 35]).format(); // ‘Invalid date’

Invalid Moments.js

  • invalid.add(unit, value)
  • another.add(invalid)
  • invalid.clone()
  • invalid.diff(another)
  • invalid.endOf(unit)
  • invalid.max(another)
  • another.max(invalid)
  • invalid.min(another)
  • another.min(invalid)
  • invalid.set(unit, value)
  • invalid.startOf(unit)
  • invalid.subtract(unit, value)
  • invalid.format(anyFmt)
  • invalid.from(another)
  • another.from(invalid)
  • invalid.fromNow(suffix)
  • invalid.to(another)
  • another.to(invalid)
  • invalid.toNow(suffix)
  • invalid.toISOString()
  • invalid.toString()
  • invalid.isAfter(another)
  • invalid.isAfter(invalid)
  • another.isAfter(invalid)
  • invalid.isBefore(another)
  • invalid.isBefore(invalid)
  • another.isBefore(invalid)
  • invalid.isBetween(another, another)
  • invalid.isBetween(invalid, invalid)
  • invalid.isSame(another)
  • invalid.isSame(invalid)
  • another.isSame(invalid)
  • invalid.isSameOrAfter(another)
  • invalid.isSameOrAfter(invalid)
  • another.isSameOrAfter(invalid)
  • invalid.isSameOrBefore(another)
  • invalid.isSameOrBefore(invalid)
  • another.isSameOrBefore(invalid)
  • invalid.get(unit) returns null
  • invalid.toArray() === [NaN, NaN, NaN, NaN, NaN, NaN]
  • invalid.toObject() has all values set to NaN
  • invalid.toDate() returns an invalid Date
  • invalid.toJSON() returns null
  • invalid.unix() returns null
  • invalid.valueOf() returns null
  • invalid.toISOString() returns null

How can Bigscal help with Moment.js services?

Bigscal offers comprehensive Moment.js services that can significantly enhance your date and time-handling capabilities. Our experienced team of developers is well-versed in leveraging Moment.js to its full potential, providing tailored solutions for your specific needs.

Whether it’s integrating Moment.js into your web application, optimizing its performance, or troubleshooting any issues, we’ve got you covered. With our expertise, you can harness Moment.js’s powerful features, handle timezones efficiently, and ensure precise date calculations.

Let Bigscal be your trusted partner in maximizing the benefits of Moment.js, providing a seamless and robust experience for your users.


In conclusion, Moment.js is the superior choice compared to the native JavaScript Date object due to its numerous advantages and extensive features. While the JavaScript Date object offers basic functionality, Moment.js excels in comprehensive timezone support, date manipulation capabilities, and handling complex date arithmetic.

Its ability to provide precise timezone conversions and handle daylight saving time changes ensures a seamless user experience across different regions. Moreover, Moment.js offers a vibrant community and robust support, with extensive documentation and resources for developers.

With Moment.js, developers can efficiently manage dates and times in their projects, making it the preferred and best option for date-related operations in JavaScript applications.


Moment.js offers comprehensive timezone support, functionalities, and accessible data manipulation.

Yes, Moment.js excels in handling timezones and avoids inconsistencies across different regions.

Yes, Moment.js automatically handles daylight saving time adjustments, reducing potential errors.

Moment.js simplifies date conversions for users in various time zones, enhancing user experience.

Moment.js may have slightly lower performance for simple date operations, but its benefits outweigh this drawback.