The getUTCDay() method returns the day of the week in the specified date according to universal time, where 0 represents Sunday.

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Return value

A number. If the Date object represents a valid date, an integer number corresponding to the day of the week for the given date, according to universal time: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on. Otherwise, NaN if the Date object doesn't represent a valid date.


Using getUTCDay()

The following example assigns the weekday portion of the current date to the variable weekday.

const today = new Date();
const weekday = today.getUTCDay();


ECMAScript Language Specification
# sec-date.prototype.getutcday

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See also