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Editorial Team
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Asked: 2026-06-05T19:45:46+00:00

here is my question: I’ve a website that works only during the night (after

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here is my question:

I’ve a website that works only during the night (after 21:00 until 24:00)
I have a button that says “Enter”, but i want that button to alert() a message such as 'The website is not available yet'.

But to do so it must check the time so in pseudocode:

    if (time is less more than 21:00 and less than 24:00) {
     return true;
    } else {
      alert('the website is not available yet');
      e.preventDefault;
      return false;
    }

But I don’t understand how I can do that in terms time difference, in any day,
any hint?

thank you guys!

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1 Answer

  1. Editorial Team
    new Date().getHours()

    will return current hour (13 when I am writing this at 13:42). However this solution has several drawbacks:

    • it uses system time, changing the time in the computer will fool your script
    • it uses system time zone, consider getUTCHours()
    • it can be easily bypassed by disabling JavaScript or modifying the script on the fly

    Thus consider fetching time from the server when rendering the page and repeating the test on the server side when user enters (to make sure the check was not bypassed).

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