js We can use the isAfter method to check if one date is after another. @integrater Is end in your code a Moment instance? Try wrapping it with moment() to convert it. parse("05-Jul-2012". js is a powerful JavaScript library that is used for parsing, validating, manipulating, and formatting dates and times. These tokens represent a way to format your date information. Nov 12, 2014 · new Date(moment. They use date and time handling for scheduling, data validation, etc. I want to do that with Moment. js to format my date time, here I have two date values, and I want to achieve a particular function when one date is greater than the other. Jun 6, 2015 · How do I check a date is actually today (the same date) rather than the difference between hours in a day? I have three timestamps as examples, one is today (22/07/14) and the other two are yester May 29, 2017 · I'm currently tying to compare 2 dates (and time): the date limit my action has to be completed and the current date. js has over native JavaScript Date objects is how easy it is to format the output date and time. Oct 18, 2023 · Learn how to handle date and time in JavaScript using the Moment. Aug 30, 2024 · Coding JavaScript Date Comparison – How to Compare Dates in JS By Alex Mitchell Last Update on August 30, 2024 Dates are one of the most ubiquitous data types in web applications. isSameOrAfter and writing that out combining isSame and . To get the difference in milliseconds, use moment#diff like you would use moment#from. js for date comparison, including checking if a day is before today or within two days after today. js because it is included. sssZ, respectively). Doing the following will make it a moment date object in the format you want. As the second parameter determines the precision, and not just a single value to check, using day will check for year Aug 2, 2017 · I am trying to calculate and display number of days between two dates in my React app. I don't want it to show 'in 3 hours' but 'today' - so basically with a 'daily' precision. floor ( ( new Date ("2019-1-30"). js One of the major strengths that Moment. js?Moment. isAfter('2010-10-19'); // true If you want to limit the granularity to a unit other than milliseconds, pass the units as the second parameter. Oct 26, 2016 · I am using angularjs and moment library. To learn JavaScript, we got to learn the object-oriented… How to Check Whether a JavaScript Object is a […] moment-timezone-with-data-1970-2030. One common requirement when working with dates is calculating the difference between two date times. This will work for all scenarios. js helps you manage time and date effectively when working with different time zones, API calls, local languages, etc. While composing the function I realized I would need to perform arithmetic on date objects. Feb 12, 2024 · In JavaScript, you can use the date object to work effectively with dates, times, and time zones within an application. js if a given date is between two dates. js: A Really Simple Comparison Here's an exercise I wanted to share as part of my own efforts in learning out loud. " Jan 1, 1970 · Moment. js! Explore its functions, see code examples, and consider alternatives for… Apr 25, 2015 · However, this returns a date string in the specified format for today, not a moment date object. I want to check and see if one date is before another. Since version 2. With Moment. But often, devs struggle with this datatype and end up using date libraries like Moment. Gregorian calendar and time: To examine the Gregorian properties of a DateTime individually (i. Overview Moment. Methods like startOf, isSame, and formatting techniques enable you to focus solely on the date part for accurate comparisons. js 2. format('LLL'); }; It displays: "28 februari 2013 09:24" But I would like to remove the time at the end. Jul 15, 2025 · The moment (). ServerValue. I'm writing it in CoffeeScript. js is a powerful JavaScript library for parsing, validating, manipulating, and formatting dates and times. js to compare two dates. The JavaScript Date object compare dates with time including, so, if you compare: time1. Nov 24, 2024 · Difficult to catch without testing thoroughly. Available as a JS package for most of the bundlers and as a JS script that can be imported directly from the CDN, moment. js Asked 10 years ago Modified 8 years, 1 month ago Viewed 11k times Actually it is not correct answer, because you call for moment js without arguments, it create object as "datetime", and not "date". Nov 4, 2016 · After looking through other MomentJS questions I'm still stumped as to how one would use moment to simply compare two different times I need (want) the day/date to be ignored. Today doesn't mean in next 24 hours. I need to check if a date - a string in dd/mm/yyyy format - falls between two other dates having the same format dd/mm/yyyy I tried this, but it doesn't work: var dateFrom = "02/05/2013"; var dat Nov 1, 2024 · Learn how to compare dates in JavaScript natively and with the date-fns NPM package in this useful guide. log(isAfter); We create a moment object with a date string. sssZ or ±YYYYYY-MM-DDTHH:mm:ss. fromNow () functionality, but when the date is close it is too precise - ex. Then compare the two dates. What we need is to have a nice way to compare by Hour, Day, Week, Month, Year? Dec 12, 2022 · The code above will print “Dates are NOT equal” because the time part of the dates are different. 1 Parse, validate, manipulate, and display dates and times in JavaScript. In this example, two dates are created, the current date and/or any other date, and compare these two dates. Jul 10, 2025 · The Date. Date objects help you efficiently manipulate data, handle various date-related tasks, and perform some calculations when creating Aug 29, 2024 · Comparing the date part only without comparing time in JavaScript means checking if two dates fall on the same calendar day, ignoring the specific time (hours, minutes, seconds). isAfter("2010-01-01", "year"); console. To create one from a native JS date, use DateTime. Dec 2, 2019 · Format the date and time with Moment. DateTimeFormat` and `Array. This is not a point in time, but a c Jul 24, 2025 · MomentJS is a popular JavaScript library used for parsing, validating, manipulating, and formatting dates. js library. var a = moment([2007, 0, 29]); var b = moment([2007, 0, 28]); a. 448804522Z this value is provided by a backend service. It illustrates how to determine if one date is after, before, or the same as another using the isAfter, isSameOrAfter, isBefore, and isSame methods. This makes it easy to compare them using numerical values derived from the dates. Run the below command before running the code in your local system: npm i moment These are the following approaches: Immutable date wrapper DateTimes, Durations, and Intervals Immutable, chainable, unambiguous API. js, but you do not need moment-timezone. js features Whether you‘re a beginner looking to learn or an experienced dev wanting to master JS dates, this guide has you covered. fromJSDate. I'm trying it this way but it does not work properly. I'm using momentjs and everything I do seems to return false. prototype. The first argument will be parsed as a moment, if not already so. It first checks if date1 is before date2, then if date1 is after date2, and finally, if neither condition is true, it concludes that the dates are the same. js, with a focus on checking if a given date is greater than or equal to today. 0, Tim added isBefore() and isAfter() for date comparison. 'days' is not needed. Oct 18, 2025 · It provides a simple and intuitive API to parse, validate, manipulate, and display dates and times in various formats. Now, in javascript how can I compare if that timestamp is greater than Jul 5, 2012 · Using this function, I'm getting a 7 days difference; how can I test whether a date is before the current date? function validateDate() { pickedDate = Date. Learn to compare dates in JavaScript seamlessly for precise coding! Mar 6, 2024 · A step-by-step guide on how to check if a date is today, yesterday or tomorrow in JavaScript. . 0. Feb 15, 2013 · I'm trying to detect with Moment. isSame('2010-01-01', 'year'); // true moment Jul 24, 2025 · MomentJS is a popular JavaScript library used for parsing, validating, manipulating, and formatting dates. Jun 29, 2022 · Let's begin by learning how to perform comparisons using only the date object, and then we'll see how to perform equality comparisons using the date object alongside date methods. var Nov 13, 2014 · Is there a way of comparing 2 dates without time with momentJS? I've tried various formats, but can't seem to get it to work. We'll also learn how to do this with an external library like Moment. host system) time zone and offset. The list of formatting code that… How to Format Date and […] Moment. The Date. I then Jan 1, 2016 · The guides area is designed to help developers learn to better interact with the date and time problem domain, and the Moment. isSame is good solution. js Asked 10 years ago Modified 8 years, 1 month ago Viewed 11k times Jul 11, 2025 · When comparing dates in JavaScript, it is important to understand that the Date objects represent points in time. js. Just a note – in general, it's not recommended to use an external library for an operation like this. Along with this, the library provides ways to compare only the date portion of two date objects, ignoring the time component. What's the alternative? Convert moment to js date and use >= to compare? Feb 3, 2017 · 958 I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. As part of a React project I'm working on, I needed to create and array containing the dates for the current month. Sometimes, however, I just want to store a date (say 2016-09-19). I need validate if selected Date time is after or before like you see in cod Nov 4, 2016 · After looking through other MomentJS questions I'm still stumped as to how one would use moment to simply compare two different times I need (want) the day/date to be ignored. e. How can I do it? Aug 21, 2020 · Hi I need to validate two date time moment instances, Using this Package to get time we can select hour min sec in this. "Note: It's important to keep in mind that while the time value at the heart of a Date object is UTC, the basic methods to fetch the date and time or its components all work in the local (i. isAfter is a bit lengthy. js simplifies date and time management in web development with this comprehensive guide featuring practical use cases. Oct 14, 2011 · I want to calculate date difference in days, hours, minutes, seconds, milliseconds, nanoseconds. Nov 20, 2016 · You cannot compare the date you stored in Firebase with now () as it lacks the information about your timezone. js is a fantastic library for efficiently handling date and time management within React applications. js has been successfully used in millions of projects, and we are happy to have contributed to making date and time better on the web. To Aug 7, 2020 · MomentJS is a JavaScript library for parsing, validating, manipulating, and formatting date and time values in the browser and Node. If you use one of the above files, you still need moment. utc(dateTime). I have an object start_date which contains several dates, once user clicks "proceed" I am comparing each date with today and Oct 5, 2011 · The toISOString() method of Date instances returns a string representing this date in the date time string format, a simplified format based on ISO 8601, which is always 24 or 27 characters long (YYYY-MM-DDTHH:mm:ss. js is a popular JavaScript library that developers use for parsing, manipulating, and formatting dates and times. I read most of their docs, but didn't f Sep 17, 2020 · Learn date-fns, a functional date library, and a lightweight alternative to Moment. Any help would be appreciated. moment('2010-10-20'). getTime() === time2. utc(). js, we can format dates easily with moment. However, while doing so, I am having issues converting the date from my date picker to a string?. As the second parameter determines the precision, and not just a single value to check, using day will check for year Mar 1, 2021 · Spread the love Related Posts How to Convert a String to a Date Object in JavaScript?Sometimes, we have a date string that we want to convert to a date object… Object-Oriented JavaScript — DateJavaScript is partly an object-oriented language. I receive the date and time in this format: 2017-05-29T15:30:17. js for simple tasks that aren't worth the large package size that Mar 24, 2014 · I'm using moment. format()) does not return UTC date. replace(/-/g, " Oct 24, 2017 · Learn how to manipulate date and time effectively in JavaScript using MomentJS with this comprehensive guide. g. js, a JavaScript library, for comparing dates by extracting specific units such as year, month, or day. , days, years) for the result. getTime(), they'll be "false" if at least one millisecond is different. js, date manipulation and parsing can be done efficiently. With 130+ functions for all occasions, it's like Lodash for dates. May 24, 2025 · To sort an object array by date using `Intl. Highlights Jun 15, 2020 · JS Date vs Moment. By default, it returns the difference in milliseconds, but you can also specify a different unit (e. JavaScript provides built-in Date object to handle everyday use of date and time. How can I do that Oct 20, 2024 · Moment. js, a popular JavaScript date library. js, you can use methods like isBefore, isAfter, diff, and isSame to compare dates date-fns provides the most comprehensive yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node. When working with dates in web applications, being able to compare them becomes an essential task. Note: While these date formats are very similar to LDML date formats, there are a few minor differences regarding day of month, day of year, and day of week. For instance, we can write: const isAfter = moment("2010-10-20"). Jun 23, 2017 · I'm trying to compare two dates. Oct 27, 2024 · Moment. Next we‘ll explore strategies using Jest and Moment. By understanding the core concepts, typical usage scenarios, and best practices, you can effectively use moment to handle date comparisons in your Node. If the date received is before the current day (Today) I have to delete the attribute @availabilityBeginDate but if the date received is after the current day I have to save it. In this case comparison moment('[current date, 12/04/2019]'). js seems to be a solid solution for all date-time needs. I have it working fine with dateTime: var ExpiryDate = new Date("11/13/ Jan 10, 2016 · How to compare dates with different timezones in moment. parse() static method parses a string representation of a date, and returns the date's timestamp. e as opposed to collectively through DateTime#toObject), use the DateTime#year, DateTime#month, DateTime#day, DateTime#hour, DateTime#minute, DateTime#second, DateTime#millisecond accessors. Whether you need to validate date inputs, calculate age, or implement a date-based filtering system, understanding how to compare dates in JavaScript is a fundamental skill for any developer. Jul 23, 2025 · We use the isBefore () and isAfter () methods from Moment. After that, we compare the values and print the relevant output. Parse, validate, manipulate, and display dates and times in JavaScript. Jul 23, 2025 · Moment. For a breakdown of a few different date formatting tokens across different locales, see this chart of date formatting tokens. It simplifies working with dates and times in JavaScript by offering intuitive methods to handle common date/time-related tasks. Oct 20, 2024 · Moment. Check if a moment is the same as another moment. TIMESTAMP Jan 1, 2025 · Formatting, time zones, and other essential Moment. diff () function is used to calculate the difference between two dates using Moment. We address our most frequently seen support requests here, so it is a great place to check for solutions to any issues you may have. js and diff. js is a popular JavaScript date and time manipulation library that we can use to… Formatting Dates with Moment Date FormatWith moment. js to compare dates, covering core concepts, typical usage scenarios, and best practices. Jun 29, 2022 · A date is one of the most common datatypes developers use when creating real-world applications. Oct 6, 2020 · Because the question was "two different date objects have the same date information", and this code does just that: compares dates regardless of time Dec 6, 2014 · 104 Basically, I want to do a myMoment >= yourMoment. Jun 17, 2022 · In this article, we will learn how to easily get the current date (today's date) with JavaScript from scratch. As of September 2020, Moment gets over 12 million downloads per week! May 25, 2023 · Moment. js environments. Formatting Dates Formatting formulas include tokens, like m, Do, or Y. Nov 15, 2023 · Discover how Moment. May 9, 2021 · Spread the love Related Posts How to Get the Hours Difference Between Two Dates with Moment. Any app dealing with schedules, timelines, travel, finance or other temporal behavior needs robust support for date manipulation. SpecialToDate can be '2018-10-26 00:00:00' for an example. Jul 23, 2025 · In Moment. 30. Format - [Month, Jul 15, 2025 · The moment (). May 20, 2024 · In this blog, we’ll explore how to compare dates **excluding time** using Moment. js is a great JavaScript library to work with date and time. For example, Feb 4, 2023 · Master JavaScript date comparisons effortlessly with our expert guide. As of September 2020, Moment gets over 12 million downloads per week! Feb 16, 2023 · In this article, we’ll look at how to compare only dates with moment. You can reformat values, for example going from 2020/01/01 to January 1st, 2020. Just chain the format() method to a Moment date object and pass it a format string as a parameter: The article titled "How to Compare Only Dates in Moment. You can streamline dates and times by validating, parsing, formatting, or manipulating them. You can also add or subtract units of time, for example adding 7 days to a stored Date Input value. Jun 15, 2023 · Lets master date and time manipulation in React with Moment. Compare Only Dates in Moment. now() static method returns the number of milliseconds elapsed since the epoch, which is defined as the midnight at the beginning of January 1, 1970, UTC. Since there's no isBetween() method, I though Jun 5, 2018 · This indicates the difference between two date-time in the specified unit. js covers a 60 year range, for those that need more data but not the larger file size of the full data file. Jan 10, 2016 · How to compare dates with different timezones in moment. Mar 20, 2021 · Compare Today's Date with Any Other Date in JavaScript. getTime () - new Date ("2018-12-31"). Oct 18, 2025 · The moment library in Node. 983Z. moment(). To compare the dates without taking the time part into account, call the setHours() method on each date as shown below: Feb 28, 2013 · formatCalendarDate = function (dateTime) { return moment. Sep 29, 2017 · I have a date saved in a string with this format: 2017-09-28T22:59:02. These examples underscore why properly testing date and time logic is so critical. diff(b, 'days') // 1 To get the duration of a difference Sep 15, 2025 · Moment. This blog post will delve into the details of using `moment` in Node. Native time zone and Intl support (no locale or tz files) GitHub Get started Oct 20, 2024 · Moment. There is no myMoment. diff(b) // 86400000 To get the difference in another unit of measurement, pass that measurement as the second argument. How to compare dates with Date object and Moment. Sep 19, 2016 · A Moment. getTime () ) / (1000*3600*24) ); // This gets the milliseconds (getTime) between the two dates, then we get days by dividing by Jun 10, 2025 · Learn how to compare dates in JavaScript using various methods like getTime(), Date objects, and libraries like Moment. Apr 19, 2018 · I have a formatted date that comes as a string "19/04/2018" I need to compare it with the date today and know how many days have passed. js object (like its underlying Date object) always represents an exact point in time. Dec 11, 2014 · Learn how to use Moment. The timezone is always UTC, as denoted by the suffix Z. isSame('2009-12-31', 'year'); // false moment('2010-10-20'). js" explains the use of Moment. Dec 11, 2018 · If you are trying to get the number of days between the start (column 1) and the end (column 2), you can do this in vanilla JS pretty easily: Math. Run the below command before running the code in your local system: npm i moment These are the following approaches: Oct 18, 2023 · Learn how to handle date and time in JavaScript using the Moment. I'd like the moment (). isBefore('2010-10-21'); // true If you want to limit the granularity to a unit other than milliseconds, pass the units as the second parameter. js provides a powerful and flexible way to compare dates. js applications. js for accurate comparisons. js formulas let you manipulate stored Date Input values. js in JavaScript Working with dates is one of the most commonly used tasks among the developers of JavaScript. Moment. diff(SpecialToDate) will directly give the difference in milliseconds. diff() is a MomentJS method only available on Moment objects, not native JS Date objects. Line 4: We use the moment object, add a year to the current date, and then format it using the format method. Apr 25, 2015 · However, this returns a date string in the specified format for today, not a moment date object. It provides a range of methods to compare dates, making it easier to handle various date-related tasks. js library, with examples and best practices. isSameOrAfter(moment()) will return incorrect result Check if a moment is after another moment. sort ()`, convert the date strings to formatted dates, then use the `sort` method with a custom compare function that compares the formatted dates. Check if a moment is before another moment. isSame('2010-10-20'); // true If you want to limit the granularity to a unit other than milliseconds, pass it as the second parameter. js is freely distributable under the terms of the MIT license. If you’re looking for a solution to compare two dates in JavaScript, look no further than moment. Oct 23, 2017 · 1 I'm trying to compare 2 dates. Controlling Date and Time in Jest Jest is a popular testing framework for JavaScript and React apps. You can store dates using Firebase.

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