# Not getting grok pattern for 12/11/2013 8:30:48 AM **URL:** \ **Category:** Logstash\ **Created:** [December 31, 2015, 5:48am UTC](https://discuss.elastic.co/t/not-getting-grok-pattern-for-12-11-2013-8-30-48-am/38209 "2015-12-31T05:48:58Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![sree1](https://avatars.discourse-cdn.com/v4/letter/s/c67d28/32.png) [@sree1](https://discuss.elastic.co/u/sree1)\ **Post date:** [December 31, 2015, 5:48am UTC](https://discuss.elastic.co/t/not-getting-grok-pattern-for-12-11-2013-8-30-48-am/38209/1 "2015-12-31T05:48:58Z")
Hi All, can any one help grok pattern for following logs.i tried for the below logs but i am getting difficulty during am/pm.please help me. **My logs:** Started : 12/11/2013 8:30:48 AM Finished (1) : 12/11/2013 8:30:48 AM Started : 3/12/2014 4:00:49 PM [2] Deductions Transfer Failed - Deduction already exists: Acct: 28511265 , Number : 0001487209, Value : 264889.05 Finished (1) : 3/12/2014 4:00:59 PM ---
**Author:** ![shaunak](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shaunak/32/6643_2.png) [@shaunak](https://discuss.elastic.co/u/shaunak)\ **Post date:** [December 31, 2015, 3:42pm UTC](https://discuss.elastic.co/t/not-getting-grok-pattern-for-12-11-2013-8-30-48-am/38209/2 "2015-12-31T15:42:52Z")
I think this pattern should match `12/11/2013 8:30:48 AM`: `%{MONTHNUM:month}/%{MONTHDAY:day}/%{YEAR:year} %{HOUR:hour}:%{MINUTE:minute}:%{SECOND:seconds} %{NOTSPACE:ampm}` You can test grok patterns at [https://grokdebug.herokuapp.com/](https://grokdebug.herokuapp.com/). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 5:17am UTC](https://discuss.elastic.co/t/not-getting-grok-pattern-for-12-11-2013-8-30-48-am/38209/3 "2017-07-06T05:17:06Z")
Closed on July 6, 2017, 5:17am UTC