Issues with date type converter format string

[gsmith]

Not sure if this helps, but I came across this post earlier today with a similar issue with Nginx

Graylog exctractor specify timezone other than UTC

Hello team! I have a message with timestamp without specified timezone in it, but timezone actually -6 CST. It is not UTC. Message: “2017/12/30 15:19:57 [error] 27739#0: *3722503 limiting requests, excess: 0.062 by zone “wp-login”, client: 10.189.252.6, server: blog.com, request: “POST /ame/wp-login.php HTTP/1.1”, host: “www.ame.com”” With following GROK pattern: %{DATESTAMP_EVENTLOG:timestamp;date;yyyy/MM/dd HH:mm:ss} Is there a way to specify at time parsing tell that timestamp in messag…