JavaScript getUTCDay function is one of the Date Functions, which returns the day number of a given date according to universal time. Day Number starts at 0 and ends at 6, where 0 is Sunday, and six is Saturday. The syntax of the getUTCDay function is:
Date.getUTCDay()
JavaScript getUTCDay Example
Here, we use getUTCDay to return the day number from the current date and time.
<!DOCTYPE html> <html> <head> <title> JS </title> </head> <body> <h1> Example </h1> <script> var dt = Date(); document.write("Date and Time : " + dt); document.write("UTC Day : " + dt.getUTCDay()); </script> </body> </html>
Example
Date and Time: Mon Nov 05 2018 10:37:44 GMT+0530 (Indian Standard Time)
UTC Day : 1
Example 2
In this JavaScript get UTC Day example, we display the day number from the custom date.
<!DOCTYPE html> <html> <head> <title> JavaScript Get UTC Day Function </title> </head> <body> <h1> JavaScriptgetUTCDayFunctionExample </h1> <script> var dt = Date("April 1, 2016 10:14:22"); document.write("Date and Time : " + dt); document.write("UTC Day using getUTCDay : " + dt.getUTCDay()); </script> </body> </html>