Automatic switch to dark mode

Question

I maked manual dark mode button but this dont find how to do.

How can make switch to dark mode after 9pm and then switch to light mode after 7am i use html, css and javascript? Thank you.

Answer 1

Somewhere in your code

const userTime = new Date().getHours()

if (userTime >= 7 && userTime < 21) {
  // use light theme
} else {
  // use dark theme
}