Date and Time Functions in JavaScript

Function	Description	Returned Values
getdate()	Day of the month	1-31
getUTCDate()
getday()	Day of the week (integer)	0-6
getUTCDay()
getFullYear()	Year (full four digit)	1900+
getUTCFullYear()
getHours()	Hour of the day (integer)	0-23
getUTCHours()
getMilliseconds()	Milliseconds (since last second)	0-999
getUTCMilliseconds()
getMinutes()	Minutes (since last hour)	0-59
getUTCMinutes()
getMonth()	Month	0-11
getUTCMonth()
getSeconds()	Seconds (since last minute)	0-59
getUTCSeconds()
getTime()	Number of milliseconds since 1 January 1970
getTimezoneOffset()	Difference between local time and GMT in minutes	The difference, in minutes, between UTC and local time. The value is positive if the local timezone is behind UTC and negative if it is ahead. For example, a timezone of UTC+10 (Australian Eastern Standard Time) will return -600.
getYear()	Year	0-99 for years between 1900-1999
		Four digit for 2000+
parse()	Returns the number of milliseconds since midnight 1 January 1970 for a given date and time string passed to it.
setdate()	Sets the day, given a number between 1-31	Date in milliseconds
setUTCDate()
setFullYear()	Sets the year, given a four digit number	Date in milliseconds
setUTCFullYear()
setHours()	Sets the hour, given a number between 0-23	Date in milliseconds
setUTCHours()
setMilliseconds()	Sets the milliseconds, given a number	Date in milliseconds
setUTCMilliseconds()
setMinutes()	Sets the minutes, given a number between 0-59	Date in milliseconds
setUTCMinutes()
setMonth()	Sets the month, given a number between 0-11	Date in milliseconds
setUTCMonth()
setSeconds()	Sets the seconds,l given a number between 0-59	Date in milliseconds
setUTCSeconds()
setTime()	Sets the date, given the number of milliseconds since 1 January 1970	Date in milliseconds
setYear()	Sets the year, given either a two digit or four digit number	Date in milliseconds
toGMTString()	GMT date and time as a string	day dd mmm yyyy hh:mm:ss GMT
toUTCString()
toLocaleString()	Local date and time as a string	Depends on operating system, locale, and browser
toString()	Local date and time as a string	Depends on operating system, locale, and browser
UTC()	Returns the number of milliseconds since 1 January 1970 for a given date in year, month, day (and optionally, hours, minutes, seconds, and milliseconds)	Date in milliseconds
valueOf()	Number of milliseconds since 1 January 1970	Date in milliseconds