Format the time as describe in the Apache combined log format.
http://httpd.apache.org/docs/2.2/logs.html#combined
The format is: [day
monthyear:hour:minute:second zone] day =
2*digit month = 3*letter year = 4*digit hour = 2*digit minute =
2*digit second = 2*digit zone = (
+ |
-) 4*digit