JavaScript Set Date Methods

JavaScript Set Date Methods

Set Date methods let you set date values (years, months, days, hours, minutes, seconds, milliseconds) for a Date Object.

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Set Date Methods

Set Date methods are used for setting a part of a date:

Method	Description
setDate()	Set the day as a number (1-31)
setFullYear()	Set the year (optionally month and day)
setHours()	Set the hour (0-23)
setMilliseconds()	Set the milliseconds (0-999)
setMinutes()	Set the minutes (0-59)
setMonth()	Set the month (0-11)
setSeconds()	Set the seconds (0-59)
setTime()	Set the time (milliseconds since January 1, 1970)

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The SetFullYear() Method

The setFullYear() method sets the year of a date object. In this example to 2020:

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The setFullYear() method can optionally set month and day:

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The SetMonth() Method

The setMonth() method sets the month of a date object (0-11):

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The SetDate() Method

 

The setDate() method sets the day of a date object (1-31):

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The setDate() method can also be used to add days to a date:

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If adding days shifts the month or year, the changes are handled automatically by the Date object.

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The SetHours() Method

The setHours() method sets the hours of a date object (0-23):

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The SetMinutes() Method

The setMinutes() method sets the minutes of a date object (0-59):

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The SetSeconds() Method

The setSeconds() method sets the seconds of a date object (0-59):

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Compare Dates

Dates can easily be compared.

The following example compares today's date with January 14, 2100:

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JavaScript counts months from 0 to 11. January is 0. December is 11.

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