Create a Date object for the current date and time. Extract the hours, reset the date object an hour ahead and finally display the date object in your browser. code example
Example: js set datetime
//new Date(year, month, day, hours, minutes, seconds, milliseconds)
new Date(1776, 6, 4, 12, 30, 0, 0);
// Timestamp method
new Date(-6106015800000);
// Date string method
new Date("January 31 1980 12:30");