#37743 [Opn->WFx]: results not as expected for date_sunrise
| From: | derick@php.net | Date: | Thu, 08 Jun 2006 13:51:57 +0000 |
| Subject: | #37743 [Opn->WFx]: results not as expected for date_sunrise | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-98183@lists.php.net to get a copy of this message | ||
ID: 37743
Updated by: derick@php.net
Reported By: webdev at etzchaimkgh dot org
-Status: Open
+Status: Wont fix
-Bug Type: *Calendar problems
+Bug Type: Date/time related
Operating System: Linux
PHP Version: 5.1.4
New Comment:
There are slight difference in algorithms for calculating those things.
It's extremely hard as you have to factor in *many* different parameters
(including state of the atmosphere). A two minute difference is
therefore expected and not really a bug.
Previous Comments:
------------------------------------------------------------------------
[2006-06-08 13:07:56] webdev at etzchaimkgh dot org
Description:
------------
Results of the date_sunrise function do not match times as reported by
U.S. Naval Observatory
(http://aa.usno.navy.mil/data/docs/RS_OneDay.html) and others
Reproduce code:
---------------
$ts = mktime(0,0,0, 6 , 7 ,2006);
echo date_sunrise($ts, SUNFUNCS_RET_STRING, 40.8, -73.8, 90 + (50/60) ,
-4);
Expected result:
----------------
5:24
Actual result:
--------------
5:22
------------------------------------------------------------------------
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Edit this bug report at http://bugs.php.net/?id=37743&edit=1