How to get the first day of the year in JavaScript ? Last Updated : 12 Jun, 2023 Comments Improve Suggest changes Like Article Like Report Given a date/year and the task is to get the first day of the year using JavaScript. Approach 1: Use getFullYear() Method to get the year from the given date.Use the new Date() function to create the new date object using year, month, and day. Example: This example uses the getFullYear() method to get the full year of the current day and then get the first day of that year. JavaScript let date = new Date(); console.log("Today = " + date); // Use Date(year, month, day) function console.log(new Date(date.getFullYear(), 0, 1)); OutputToday = Mon Jun 12 2023 02:10:43 GMT+0000 (Coordinated Universal Time) 2023-01-01T00:00:00.000Z Approach 2: Initialize the year to the variable (year = 2012).Use new Date() function to create the new date object using year, month and day. Example: This example uses the year 2023 and then get the first day of that year. JavaScript let year = 2023; console.log("Today's year = " + year); // Use Date(year, month, day) function // to get the first day of year console.log(new Date(year, 0, 1)); OutputToday's year = 2023 2023-01-01T00:00:00.000Z Comment More infoAdvertise with us Next Article How to get the first day of the year in JavaScript ? P PranchalKatiyar Follow Improve Article Tags : JavaScript Web Technologies javascript-date JavaScript-Questions Similar Reads How to get tomorrow's date in a string format in JavaScript ? In this article, we will see how to print tomorrow's date in string representation using JavaScript. To achieve this, we use the Date object and create an instance of it. After that by using the setDate() method, we increase one date to the present date. Now by using the getDate() method you will ge 2 min read How to check for two timestamp for the same day? Given two timestamp then we have to find out whether these time are of same date or not. 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