# Timestamp month name date matching

**URL:** <https://discuss.elastic.co/t/timestamp-month-name-date-matching/25538>\
**Category:** Logstash\
**Created:** [July 14, 2015, 4:39pm UTC](https://discuss.elastic.co/t/timestamp-month-name-date-matching/25538 "2015-07-14T16:39:39Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [August 29, 2015, 3:26pm UTC](https://discuss.elastic.co/t/timestamp-month-name-date-matching/25538/5 "2015-08-29T15:26:41Z")

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Let's continue the discussion in the new topic that you started.

> [@Date filter failing to set logs time as @timestamp field](https://discuss.elastic.co/t/date-filter-failing-to-set-logs-time-as-timestamp-field/28255):
>
> Hi Guys, I have some issue with passing these time stamps from my log files through the Date filter. 13 AUG 2015 | 05:08:57 | i wrote a grok filter that generates the field "logTimeStamp" as follows: mutate{ add\_field =\> { "logTimeStamp" =\> "%{day} %{month} %{year} %{time}" } } And later a Date filter as follows: date{ match =\>["logTimeStamp","dd MMM YYYY HH:mm:ss"] } Yet the Date filter keeps failing an generating error msgs. any idea why? Thanks for the support Eitan

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