javascript - Current day number - different computers, different days -

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i´m using this function in about.com today number in year (ex: 226). i´m getting different results (correct , +1 day) in different computers, using this calculator i´m getting wrong +1 day value. using this one correct day number. computers tested have correct date, hour, timezone.

ex. 8 minutes past midnight, i´m getting correct day (226), before midnight day when supposed 225, getting 226.

i suppose function ok, problem should be?

thanks

you getting confused between client time , server time.. website..

http://mistupid.com/calendar/dayofyear.htm using javascript calculate day of year using following formula

var dayofyear = math.ceil((entereddate.gettime() - startofyear.gettime()) / one_day) + 1

however, second website (http://www.epochconverter.com/epoch/daynumbers.php) using server time calculate day of year.

updates number of days according utc time.

date.prototype.getdoy = function() {    var onejan = new date(this.getfullyear(),0,1);    return math.ceil((this - onejan) / 86400000); }   function convertdatetoutc(date) { return new date(date.getutcfullyear(),       date.getutcmonth(), date.getutcdate(), date.getutchours(), date.getutcminutes(),       date.getutcseconds()); }    var today = new date();   var = convertdatetoutc(today);   var daynum = a.getdoy();    alert(a);   alert(daynum);

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