# Timelion visualisation for an index with separate time and date columns to represent time series data

**URL:** <https://discuss.elastic.co/t/timelion-visualisation-for-an-index-with-separate-time-and-date-columns-to-represent-time-series-data/211997>\
**Category:** Kibana\
**Tags:** timelion\
**Created:** [December 16, 2019, 11:40am UTC](https://discuss.elastic.co/t/timelion-visualisation-for-an-index-with-separate-time-and-date-columns-to-represent-time-series-data/211997 "2019-12-16T11:40:04Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Brandon\_Kobel](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/brandon_kobel/32/14829_2.png) [@Brandon\_Kobel](https://discuss.elastic.co/u/Brandon_Kobel)\
**Post date:** [December 17, 2019, 2:30pm UTC](https://discuss.elastic.co/t/timelion-visualisation-for-an-index-with-separate-time-and-date-columns-to-represent-time-series-data/211997/4 "2019-12-17T14:30:23Z")

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Hey @reddihareesh, Kibana only reads data from Elasticsearch, so you'll want to switch to a date and time field in Elasticserach. You don't have to change your Cassandra configuration.

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_[View the full topic](https://discuss.elastic.co/t/timelion-visualisation-for-an-index-with-separate-time-and-date-columns-to-represent-time-series-data/211997)._