The weekNumber property accesses the week number of the current year. The DateTime used with the now function will return the date and time for the current instant in the system’s timezone. The DateTime consists of a timestamp, a time zone, and configuration properties. We can use the Luxon library to get the current week number of the year with the DateTime data structure and weeknumber property. Use the DateTime Data Structure and Its weekNumber Properties From Luxon to Get the Current Week Number of the Year The week number of the current date (Tue 16:55:53 GMT+0545 (Nepal Time)) is 21. Therefore, the current week number is calculated. The getDay() function returns the day in integer form starting with 0, so we add 1. Subtracting the oneJan from the currentdate gives the value in milliseconds, so the total milliseconds in a day which is 86400000 divides the difference. The parameters 0 and 1 in the second line represents the first month and the first day of the current year. The example below finds the current date and then the first day of the current year. Log the variable in the console along with the currentdate variable using string interpolation.
Wrap this operation with the Math.ceil() function and store the result in the result variable.
Call the getDay() function with the currentdate object and add the variable numberOfDays and the value 1 to it. Wrap the operations inside Math.floor() function and assign it to a variable numberOfDays. Subtract the variable oneJan from currentdate and divide it by 86400000. Use 0 and 1 as the second and the third parameter. For that, create a new Date object on the variable and call the getFullYear() function with the currentdate object as the first parameter of the Date() constructor. Create another variable, oneJan, to store the first day of the current year. This method finally calculates the week number of the year, dividing the total number of the days by seven.įor example, create a Date object currentdate. We can use the floor() function of the Math object to round off the value to get a whole number. We can find the total number of days from the start of the day to the current time by dividing the days’ difference by the total milliseconds in a day. The object calls the function getFullYear() to get the start of the current year. We can create an object of the Date() constructor to get the current date. The getDay() function finds the current day of the week in an integer value. The Date object returns the current date. This method uses the new Date() constructor and its object along with the functions like getFullYear() and getDay() to get the current week number of the year. Use the getFullYear() and getDay() Functions Along With the new Date()’s Object to Get the Week Number of the Current Date The value of the variable cannot be changed later.
This method is a way of declaring a constant global variable in PHP. We will also demonstrate a method to declare a global variable in PHP using the define() function.
We will also use the now function with the DataTime data structure. We will use the DateTime data structure and the weekNumber property from this library. Luxon is a library of JavaScript dates and times. This article will also introduce another method of getting the current week number in JavaScript using a javascript wrapper Luxon. We will use the Math object’s functions like floor() and ceil() in this method. This method will find the total number of days of the year and find the week number. We will introduce a method to find the current week number of the year in JavaScript, creating the object of the new Date() constructor and the functions like getFullYear() and getDay(). Use the DateTime Data Structure and Its weekNumber Properties From Luxon to Get the Current Week Number of the Year.Use the getFullYear() and getDay() Functions Along With the new Date()’s Object to Get the Week Number of the Current Date.
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