17 Date-Time

Date object -------------------------
date is kept as milliseconds since GMT Jan 1, 1970 (is stored as ms)
before that is negative time
JavaScript is always local time from user 's computer
GMT is 5 hours ahead of Eastern time
GMT is same as UTC

MyDate = new date()  // MyDate is automatically set to current date and time

5 versions of date syntax
 mydate = new date( "month dd, yyyy hh:mm:ss" )
 mydate = new date( "month dd, yyyy" )
 mydate = new date( "yyyy, mth, dd, hh, mm ss" )
 mydate = new date( "yy, mth, dd" )
 mydate = new date(ms)


--------- Date Object Properties and Methods ---------------------------------------------------------------------

Properties  
none

Methods
getDate     // day of month 0-31
getDay   
getHours    // 0 - 23       0 is midnight
getMinutes    // 0 - 59
getMonth    // 0 - 11
getSeconds    // 0 - 59
getMilliseconds   // 0 - 999  
getTime     // milliseconds since Jan 1, 1970, GMT
getTimeZoneOffset
getYear     // 2 digit (browser dependent - dont' use)
getFullYear    //  1999, 2000, ...
setData
setHours
setMinutes
setMonth
setSeconds
setTime
setYear

document.write (MyDate) ----->   Thu Aug 23  03 : 02 : 01  EDT 2001