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JavaScript Date Reference

This chapter contains a brief overview of the properties and method of the global Date object.

The JavaScript Date Object

The JavaScript Date object is a global object that is used to work with dates and times. The Date objects are based on a time value that is the number of milliseconds since January 1, 1970 UTC.

To learn more about the Date, please check out the JavaScript date and time chapter.

Date Properties

The following table lists the standard properties of the Date object.

Property Description
prototype Allows you to add new properties and methods to a Date object.

Note: Every object in JavaScript has a constructor property that refers to the constructor function that was used to create the instance of that object.


Date Methods

The following table lists the standard methods of the Date object.

Method Description
getDate() Returns the day of the month (from 1-31).
getDay() Returns the day of the week (from 0-6).
getFullYear() Returns the year (four digits).
getHours() Returns the hour (from 0-23).
getMilliseconds() Returns the milliseconds (from 0-999).
getMinutes() Returns the minutes (from 0-59).
getMonth() Returns the month (from 0-11).
getSeconds() Returns the seconds (from 0-59).
getTime() Returns the number of milliseconds since midnight Jan 1, 1970.
getTimezoneOffset() Returns the time difference between UTC time and local time, in minutes.
getUTCDate() Returns the day of the month, according to universal time (from 1-31).
getUTCDay() Returns the day of the week, according to universal time (from 0-6).
getUTCFullYear() Returns the year, according to universal time.
getUTCHours() Returns the hour, according to universal time (from 0-23).
getUTCMilliseconds() Returns the milliseconds, according to universal time (from 0-999)
getUTCMinutes() Returns the minutes, according to universal time (from 0-59).
getUTCMonth() Returns the month, according to universal time (from 0-11).
getUTCSeconds() Returns the seconds, according to universal time (from 0-59).
getYear() Deprecated. Use the getFullYear() method instead.
now() Returns the number of milliseconds since midnight Jan 1, 1970.
parse() Parses a date string and returns the number of milliseconds since Jan 1, 1970.
setDate() Sets the day of the month of a date object.
setFullYear() Sets the full year of a date object.
setHours() Sets the hours of a date object.
setMilliseconds() Sets the milliseconds of a date object.
setMinutes() Set the minutes of a date object.
setMonth() Sets the month of a date object.
setSeconds() Sets the seconds of a date object.
setTime() Sets a date to a specified number of milliseconds after/before Jan 1, 1970.
setUTCDate() Sets the day of the month of a date object, according to universal time.
setUTCFullYear() Sets the year of a date object, according to universal time.
setUTCHours() Sets the hours of a date object, according to universal time.
setUTCMilliseconds() Sets the milliseconds of a date object, according to universal time.
setUTCMinutes() Set the minutes of a date object, according to universal time.
setUTCMonth() Sets the month of a date object, according to universal time.
setUTCSeconds() Set the seconds of a date object, according to universal time.
setYear() Deprecated. Use the setFullYear() method instead.
toDateString() Converts the date portion of a Date object into a human readable form.
toGMTString() Deprecated. Use the toUTCString() method instead
toISOString() Returns the date as a string, formatted according to ISO standard.
toJSON() Returns the date as a string, formatted as a JSON date.
toLocaleDateString() Returns the date portion of a Date object as a locally formatted string.
toLocaleTimeString() Returns the time portion of a Date object as a locally formatted string.
toLocaleString() Converts a Date object to a locally formatted string.
toString() Converts a Date object to a string.
toTimeString() Converts the time portion of a Date object to a string.
toUTCString() Converts a Date object to a string, according to universal time.
UTC() Returns the number of milliseconds in a Date object since January 1, 1970, 00:00:00 (midnight), universal time.
valueOf() Returns the primitive value of a Date object.

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