How to store all dates in an array present in between given two dates in JavaScript ?

Last Updated : 03 Jul, 2024

Given two dates the task is to get the array of dates between the two given dates using JavaScript.

Below are the following approaches:

Table of Content

Approach 1: Using push() Method

Select the first and last date and store it in a variable.
Check if the start date is less than the stop date then push the current date in an array and increment its value by 1 day.
Repeat the above step until currentDate equal to the last date.

Example: In this example, the array of dates is determined by the above approach.

JavaScript

Date.prototype.addDay = function (days) {     let date = new Date(this.valueOf());     date.setDate(date.getDate() + days);     return date; }  function getDate(strDate, stpDate) {     let dArray = new Array();     let cDate = strDate;     while (cDate <= stpDate) {          // Adding the date to array         dArray.push(new Date(cDate) + '<br>');          // Increment the date by 1 day         cDate = cDate.addDay(1);     }     return dArray; }  function GFG_Fun() {     let startDate = new Date();      // Making lastDate equal to 4 more days     // from startDate.     let endDate = startDate.addDay(4);     console.log(getDate(startDate, endDate)); } GFG_Fun();

Output

[   'Tue Jul 18 2023 18:59:06 GMT+0000 (Coordinated Universal Time)<br>',   'Wed Jul 19 2023 18:59:06 GMT+0000 (Coordinated Universal Time)<br>',   'Thu Jul 20 2023 18:59:06 GMT+0000 (Coordinated Univ...

Approach 2: Using for loop and push() Method

Get the first and last date and store it into a variable.
Calculate 1 day equivalent in milliseconds called _1Day.
Set a variable equal to the start date, called ms
Push ms (milli-seconds) in form of a date in an array and increment its value by _1Day.
Repeat the above step until ms is equal to the last date.

Example: In this example, the array of dates is determined by the above approach.

JavaScript

Date.prototype.addDay = function (days) {     let date = new Date(this.valueOf());     date.setDate(date.getDate() + days);     return date; };  function getDates(date1, date2) {     let _1Day = 24 * 3600 * 1000;      // Date[] keeps all the dates     let dates = [];      for (let ms = date1.getTime(), last = date2.getTime();         ms <= last; ms += _1Day) {         dates.push(new Date(ms));     }      return dates; }  function GFG_Fun() {     let startDate = new Date();      // Making lastDate equal to 4 more days     // from startDate     let endDate = startDate.addDay(4);     console.log(getDates(startDate, endDate)); }  GFG_Fun();

Output

[   2023-07-18T19:12:03.831Z,   2023-07-19T19:12:03.831Z,   2023-07-20T19:12:03.831Z,   2023-07-21T19:12:03.831Z,   2023-07-22T19:12:03.831Z ]

Approach 3: Using concat method

The function getAllDates uses a for loop to iterate through dates between startDate and endDate, incrementing by one day each iteration. Dates are then concatenated into an array.

Example: