https://www.w3schools.com/jsrEF/jsref_sethours.asp
JavaScript Date setHours() Method
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setHours
Date.prototype.setHours() - JavaScript | MDN
The setHours() method of Date instances changes the hours, minutes, seconds, and/or milliseconds for this date according to local time.
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