JavaScript getTimezoneOffset is one of the Date Functions, which returns the time zone offset of a given date in minutes. The syntax for this function is:
Date.getTimezoneOffset()
This JavaScript get Timezone Offset example returns the local time zone offset in minutes.
<!DOCTYPE html> <html> <head> <title> Function </title> </head> <body> <h1> Example </h1> <script> var dt = Date("April 1, 2017 10:12:22.0716"); document.write("Date and Time : " + dt); document.write("Timezone Offset using getTimezoneOffset : " + dt.getTimezoneOffset()); </script> </body> </html>