# Assign a date variable

**URL:** <https://forum.kirupa.com/t/assign-a-date-variable/255347>\
**Category:** flash\
**Created:** [March 21, 2008, 2:07pm UTC](https://forum.kirupa.com/t/assign-a-date-variable/255347 "2008-03-21T14:07:53Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![sosna](https://avatars.discourse-cdn.com/v4/letter/s/6de8d8/32.png) [@sosna](https://forum.kirupa.com/u/sosna)\
**Post date:** [March 21, 2008, 2:07pm UTC](https://forum.kirupa.com/t/assign-a-date-variable/255347/1 "2008-03-21T14:07:53Z")

</div>

Helo everyone!

```auto

var startTime:Date = new Date(millisecondsPerDay);
var s:Date = startTime;

trace(String(startTime.day)); //// -> 5
s.setTime(4 * millisecondsPerDay);
            
trace(String(startTime.day)); //// -> 1 Why is change????
trace(String(s.day)); //// -> 1
            

```

```auto

            
var sta:Number = 4;
var w:Number = sta;

trace(String(sta)); //// -> 4
w += 3;
            
trace(String(sta)); //// -> 4 is OK
trace(String(w)); //// -> 7

```