# Why is my Logstash date plugin return PM as AM?

**URL:** https://discuss.elastic.co/t/why-is-my-logstash-date-plugin-return-pm-as-am/125434
**Category:** Logstash
**Created:** [March 24, 2018, 9:36am UTC](https://discuss.elastic.co/t/why-is-my-logstash-date-plugin-return-pm-as-am/125434 "2018-03-24T09:36:22Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![elasticheart](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/elasticheart/32/65189_2.png) [@elasticheart](https://discuss.elastic.co/u/elasticheart)
#### Post date: [March 24, 2018, 9:36am UTC](https://discuss.elastic.co/t/why-is-my-logstash-date-plugin-return-pm-as-am/125434/1 "2018-03-24T09:36:22Z")

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Hi,

I am using ELK GA 5.0.0. I am trying to parse my date `2018-03-18 01:44:25 PM`. I am expecting `01 PM` as `13` in 24 hr format in @timestamp field. Below is the config.

```
input {
	generator {
		message => "2018-03-18 01:44:25 PM"
		count => 1
	}
}

filter {
	grok{
		match => { "message" => "%{GREEDYDATA:mydate}" }
	}
	date {
		match => ["mydate", "yyyy-MM-dd HH:mm:SS aa"]
		timezone => "GMT"
		target => "@timestamp"
	}
} 

output{
	stdout{ codec => json }
}

```

it returns;

```
{"sequence":0,"mydate":"2018-03-18 01:44:25 PM","@timestamp":"2018-03-18T01:44:00.250Z","@version":"1","host":"iflyresdev1","message":"2018-03-18 01:44:25 PM"}

```

see @timestamp":"2018-03-18T **01** :44:00.250Z here, which means the date is parsed as **01 AM**. How can I fix this?

Thanks in advance.

---

<div class="post-metadata">

### Author: ![elasticheart](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/elasticheart/32/65189_2.png) [@elasticheart](https://discuss.elastic.co/u/elasticheart)
#### Post date: [March 24, 2018, 9:46am UTC](https://discuss.elastic.co/t/why-is-my-logstash-date-plugin-return-pm-as-am/125434/2 "2018-03-24T09:46:07Z")

</div>

I tried `yyyy-MM-dd hh:mm:ss aa` and it works.

---

<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [April 21, 2018, 9:46am UTC](https://discuss.elastic.co/t/why-is-my-logstash-date-plugin-return-pm-as-am/125434/3 "2018-04-21T09:46:16Z")

</div>

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