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To add hours in the date using moment js, just use the moment().add() method by passing two parameters, first is the number of hours you want to add, and the second parameter is 'hours' it’s means want to add hours.

Just import moment in your file and invoke moment().add(30, 'hours'); it will show the current date time plus 30 hours.

moment().add(20, 'hours');

Today, I’m going to show How do I add hours in moment js, here I will use the momentjs common method add() to add hours in the date object.

Let’s start the today’s tutorial How do you add hours in the date using moment js?

Table of content

  1. Installation
  2. Example in reactjs

Installation

Use the below installation command as per your package manager, moment support npm, Yarn, NuGet, spm, and meteor.

npm install moment --save   # npm
yarn add moment             # Yarn
Install-Package Moment.js   # NuGet
spm install moment --save   # spm
meteor add momentjs:moment  # meteor

Example in reactjs

In the following example, we are going to do

  1. import the moment package
  2. create a function and console the current time.
  3. add hours in the current time and re-console it.

let’s write the code.

import moment from "moment";

// create a function and console moment
function consoleTheMoment() {
    let currentDateTime = moment();
    console.log("currentDateTime", currentDateTime)
    // add hours in current time and re console it.
    currentDateTime =  moment(currentDateTime).add(30, 'hours')
    console.log("currentDateTime plus 30s", currentDateTime)
}

function App() {
  consoleTheMoment()
  return (
    <div>
        {/* moment in react render */}
      {moment().format("hh:mm:ss")}
    </div>
  );
}

export default App;

In the above program, we call moment().add() in simple custom function and and add 30 hours in it.

let’s check the output.

MomentJs, add hours example
MomentJs, add hours example

I hope it’s help you, All the best 👍.