Introduction to JavaScript Date setUTCHours()

The setUTCHours() method of the JavaScript Date object is used to set the hour of a given date object, according to universal time. The universal time is also known as Greenwich Mean Time (GMT). This method is useful whenever you need to work with dates in a global context.

The setUTCHours() method can be used on a Date object, to set the hour of the day, to a specific value, according to universal time. This method takes a single parameter, which is the hour that is to be set. The hour is an integer value, between 0 and 23. This method does not return a value, it simply updates the Date object it was called on.

Syntax

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dateObj.setUTCHours(hour[, min[, sec[, ms]]])

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Where dateObj is a Date object, hour is the hour to set, min is the minute, sec is the second, and ms is the millisecond.

Example

Let’s take a look at an example of how to use the setUTCHours() method. The following example sets the hour of the day, according to universal time.

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// Create a date object
var date = new Date();

// Set the hour of the date object, according to universal time
date.setUTCHours(18);

// Log the date to the console
console.log(date);

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In this example, the hour of the day, according to universal time, is set to 18. This is equivalent to 6 pm in most time zones.

Conclusion

The setUTCHours() method of the JavaScript Date object is used to set the hour of a given date object, according to universal time. This method can be used to set the hour of the day, to a specific value, according to universal time. This is a useful method, whenever you need to work with dates in a global context.