# Timezone update to a date field

**URL:** <https://discuss.elastic.co/t/timezone-update-to-a-date-field/186313>\
**Category:** Elasticsearch\
**Created:** [June 18, 2019, 4:31pm UTC](https://discuss.elastic.co/t/timezone-update-to-a-date-field/186313 "2019-06-18T16:31:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![xyz2](https://avatars.discourse-cdn.com/v4/letter/x/e480ec/32.png) [@xyz2](https://discuss.elastic.co/u/xyz2)\
**Post date:** [June 18, 2019, 4:31pm UTC](https://discuss.elastic.co/t/timezone-update-to-a-date-field/186313/1 "2019-06-18T16:31:30Z")

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Hi,

In ES I have a date field without a timezone.  
I see , Kibana assumes it as GMT if timezone is not present . How can i set the timezone for a field in ES using painless ?  
I want to set the timezone for that existing date field as part of reindex script using painless. Please suggest.

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<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:** [July 16, 2019, 4:31pm UTC](https://discuss.elastic.co/t/timezone-update-to-a-date-field/186313/2 "2019-07-16T16:31:33Z")

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