Re: Date weirdness

On Thu, Mar 28, 2013 at 4:55 PM, Maciek Sokolewicz <maciek.sokolewicz@gmail.com> wrote: > On 28-3-2013 22:40, Larry Martell wrote: >> >> On Thu, Mar 28, 2013 at 2:44 PM, Steven Staples <sstaples@mnsi.net> wrote: >>>> >>>> I think I am losing my mind. I have some time zone converting code, and >>>> I >>>> just don't understand what I am seeing. Also my system seems to return >>>> the >>>> wrong time after I do some date operations on unrelated objects. >>>> >>>> This is from a machine that is in eastern time. I want to convert to, >>>> for >>>> example central time: >>>> >>>> $ndate = new Date(date("Y-m-d H:i:s")); >>>> echo $ndate->format("%Y-%m-%d %H:%M:%S"); >>>> 2013-03-28 15:35:07 <- this is the correct time >>>> >>>> $ndate->setTZbyID("EDT"); >>>> echo $ndate->format("%Y-%m-%d %H:%M:%S"); >>>> 2013-03-28 15:35:07 <- still correct >>>> >>>> $ndate->convertTZbyID("US/Central"); >>>> echo $ndate->format("%Y-%m-%d %H:%M:%S"); >>>> 2013-03-28 10:35:07 <- this is wrong it should be 14:35:07 >>>> >>>> $xdate = new Date(date("Y-m-d H:i:s")); >>>> echo $xdate->format("%Y-%m-%d %H:%M:%S"); >>>> 2013-03-28 19:35:07 <- HUH? This is wrong - should be 15:35:07 >>>> >>>> What in the world is going on here? >>>> >>> >>> I found this function a while back when I was converting UTC to EST... >>> simple task I know, but still... >>> >>> ( I am sorry to whomever wrote this, I didn't keep the source where I >>> found it ) >>> >>> function convert_time_zone($date_time, $from_tz = 'UTC', $to_tz = >>> 'America/Toronto') >>> { >>> $time_object = new DateTime($date_time, new >>> DateTimeZone($from_tz)); >>> $time_object->setTimezone(new DateTimeZone($to_tz)); >>> return $time_object->format('Y-m-d H:i:s'); >>> } >> >> >> I don't seem to have the DateTime object. We are running 5.1.6 and >> that was added in 5.2.0. We are getting the Date module from an >> external extension. I'll have to see about upgrading. >> > Well, if you're getting the Date class from a custom extension, then we > can't help you. Simply because we have no clue what the extension's code is. > > Also, please ask your host to upgrade, 5.1.6 is hopelessly outdated (and > unsupported!). The current version is 5.4 with 5.5 coming out very very > soon. > The extension is this: http://pear.php.net/package/Date/docs/latest/Date/Date.html - but that is also a very old version. I am working on getting the upgrade done.