can i change time format in access log?

Tue Mar 26 05:21:48 UTC 2013

On Mon, Mar 25, 2013 at 10:29:22PM -0400, appchemist wrote:
> I want to customize time format in access log, because of calculating time.
> There are two kind of time format in log_format.
> one is $time_local. (21/Mar/2013:18:47:32 +0900)
> another one is $time_iso8601. (2013-03-26T10:27:40+09:00)
> but, these are not matched by my demand.

There's a third one, $msec.  It's time in seconds since UNIX Epoch,
with a milliseconds resolution, convenient if you need to further
process your logs and do time calculations.

> I want to log time likes "2013-03-25 16:35:35"....
> 
> can i customize time format ?

Such a customization isn't possible.