Dear Jochem and all the others who have offered help, Thank you all for your assistance! Thanks to all of you I have been able to reach the next step in the design process! Thanks ever so much! Most sincerely, Kevin "Jochem Maas" <jochem@xxxxxxxxxxxxx> wrote in message news:4239F4A0.7040500@xxxxxxxxxxxxxxxx > Kevin wrote: > > Dear mr. Maas, > > no need for 'mr' :-) > > > > > First of all my appologies for taking so long to respond. I had a family > > death to attend to. > > my condolences. > there is no need to apologise in any case. > > ... > > >> > >>why is OBC relevant, I read later on that you take the start of egyptian > >>civilization as zero. is that not much earlier. > > > > > > Well it's relevant to make a baseline so that I can calculate the difference > > from then until now. That's the only reason thusfar. > > > > > >>whats the structure of the egyptian|rpg calendar? > > > > > > A year consists of 769 days, 13 months of 63 days a month, except for month > > 13 which has 14 days. Every month has 7 weeks of 9 days, of course month 13 > > is the exception. A day is 24 hours. > > > > a few thoughts: > > 1. you have a date in both calendars which represent the same day? > and/or rather what is day zero in the egyptian calendar in the gregorian > calendar? > > 2. maybe you should store the date internally as number of days since zero, > where zero is the first day on the egyptian calendar ...... > > er, checking this thread again, Richard Lynch puts it better than I can so > I'll just let you read his answer (again?) and hope it helps! > > > oh one last thing: I notice that in the function you posted you did this: > > > # Calculating the year in Egypt. > $yr_Egypt = floor($EgyptianDays / 769); > # Calculating the Month in Egypt. > $mnt_Egypt = round( ($EgyptianDays-($yr_Egypt*769)) / 63 ); > # Calculating the Day in Egypt. > $dy_Egypt = round( $EgyptianDays - (($yr_Egypt * 769) + ($mnt_Egypt * 63)) ); > # Filling the date array variable with the day, month and year of the > Egyptian calendar. > $ec_date["Day"] = $dy_Egypt; > $ec_date["Month"] = $mnt_Egypt; > $ec_date["Year"] = $yr_Egypt; > # Returning the Calculated date. > return $ec_date; > > which could be written more succinctly as: > > > /* Calculating the year,month,day in Egypt and returning. */ > return array ( > "Year" => ($y = floor( $EgyptianDays / 769 )), > "Month" => ($m = round( ($EgyptianDays - ($y * 769)) / 63 )), > "Day" => round( $EgyptianDays - (($y * 769) + ($m * 63)) ), > ); > > that might inspire you to use less variables in your code, which is a good thing - but in this > case completely beside the point. whats less beside the point is that you use floor() for the year > and round() for the day and month, I wonder if it helps if you use floor() for all 3? > > beware of floating point rounding errors, compare: > > <?php > > $EgyptianDays = 10345; > > var_dump( > > array( > "Year" => ($y = floor( $EgyptianDays / 769 )), > "Month" => ($m = floor( ($EgyptianDays - ($y * 769)) / 63 )), > "Day" => floor( $EgyptianDays - (($y * 769) + ($m * 63)) ), > ), > > array( > "Year" => ($y = floor( $EgyptianDays / 769 )), > "Month" => ($m = round( ($EgyptianDays - ($y * 769)) / 63 )), > "Day" => round( $EgyptianDays - (($y * 769) + ($m * 63)) ), > ) > > ); > > ?> > > kind regards, > Jochem -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
