# Grok Pattern for java duration **URL:** \ **Category:** Logstash\ **Created:** [August 18, 2022, 12:40pm UTC](https://discuss.elastic.co/t/grok-pattern-for-java-duration/312386 "2022-08-18T12:40:38Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![rokka](https://avatars.discourse-cdn.com/v4/letter/r/3d9bf3/32.png) [@rokka](https://discuss.elastic.co/u/rokka)\ **Post date:** [August 18, 2022, 12:40pm UTC](https://discuss.elastic.co/t/grok-pattern-for-java-duration/312386/1 "2022-08-18T12:40:38Z")
Hi, how can I parse the Java duration format like "PT20M36.4402321S"? [https://docs.oracle.com/javase/8/docs/api/java/time/Duration.html#parse-java.lang.CharSequence-](https://docs.oracle.com/javase/8/docs/api/java/time/Duration.html#parse-java.lang.CharSequence-) I can´t find an existing pattern on [logstash-patterns/grok-patterns at master · hpcugent/logstash-patterns · GitHub](https://github.com/hpcugent/logstash-patterns/blob/master/files/grok-patterns) Greatings Andre ---
**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\ **Post date:** [August 18, 2022, 4:45pm UTC](https://discuss.elastic.co/t/grok-pattern-for-java-duration/312386/2 "2022-08-18T16:45:02Z")
[This](https://discuss.elastic.co/t/parse-iso-8601-duration-format-pt-n-h-n-m-n-s/306605/2) thread has a grok pattern for ISO 8601 durations strings. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [September 15, 2022, 4:45pm UTC](https://discuss.elastic.co/t/grok-pattern-for-java-duration/312386/3 "2022-09-15T16:45:05Z")
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