# Calculating time interval manually in Vega

**URL:** <https://discuss.elastic.co/t/calculating-time-interval-manually-in-vega/341837>\
**Category:** Kibana\
**Tags:** vega\
**Created:** [August 28, 2023, 6:54pm UTC](https://discuss.elastic.co/t/calculating-time-interval-manually-in-vega/341837 "2023-08-28T18:54:04Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Tankut\_Koray](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tankut_koray/32/125023_2.png) [@Tankut\_Koray](https://discuss.elastic.co/u/Tankut_Koray)\
**Post date:** [August 28, 2023, 6:54pm UTC](https://discuss.elastic.co/t/calculating-time-interval-manually-in-vega/341837/1 "2023-08-28T18:54:05Z")

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Hi,

I have a Vega chart where I want to specify my own time intervals according to min-max time differences. auto\_interval is not given me what I want, so I want to calculate it manually and give to aggr query. Is it possible?

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**Author:** ![jsanz](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jsanz/32/53734_2.png) [@jsanz](https://discuss.elastic.co/u/jsanz)\
**Post date:** [September 5, 2023, 10:57am UTC](https://discuss.elastic.co/t/calculating-time-interval-manually-in-vega/341837/2 "2023-09-05T10:57:18Z")

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I don't think you can do calculations in Vega at the query part; instead you would need to get all the data at the minimum aggregation level and then do that [transformation](https://vega.github.io/vega/docs/transforms/) later.

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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:** [October 3, 2023, 10:57am UTC](https://discuss.elastic.co/t/calculating-time-interval-manually-in-vega/341837/3 "2023-10-03T10:57:31Z")

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