Re: Telling if a given datetime is within the DST switchover
| From: | Larry Martell | Date: | Mon, 30 Mar 2015 15:41:59 +0000 |
| Subject: | Re: Telling if a given datetime is within the DST switchover | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-324729@lists.php.net to get a copy of this message | ||
On Mon, Mar 30, 2015 at 11:36 AM, Lester Caine <lester@lsces.co.uk> wrote:
> On 30/03/15 16:20, Larry Martell wrote:
>> The use case is that I have a server uptime reporting script and it
>> uses a database of times that the server was able to be pinged. If
>> there is no entry for a period it indicated the server was down. So on
>> March 29, running in London, it found no entries from 1am to 2am and
>> it reported the server was down for an hour, when in fact the period
>> from 1am to 2am did not exist because of the switch to summer time.
>
> If you are logging ANYTHING other than UTC then your reporting system is
> the problem. You DISPLAY times using the local time, and log everything
> using a clean UTC time.
I 100% agree with you, but this client does not do that. I have told
them they should, but they did not want to change.