# Timelion Offset

**URL:** <https://discuss.elastic.co/t/timelion-offset/121313>\
**Category:** Kibana\
**Tags:** timelion\
**Created:** [February 24, 2018, 2:14am UTC](https://discuss.elastic.co/t/timelion-offset/121313 "2018-02-24T02:14:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Pororo](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pororo/32/27711_2.png) [@Pororo](https://discuss.elastic.co/u/Pororo)\
**Post date:** [February 24, 2018, 2:14am UTC](https://discuss.elastic.co/t/timelion-offset/121313/1 "2018-02-24T02:14:07Z")

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Hi,  
I am kinda confused with how "offset" works in Timelion. Some documents say it is used for comparison of current and past specific time. So let's say we have offset = "-3d", does it mean it will show up the data in 3 days ago or the data in range(3 days ago to current) which is like a list not a single data item.

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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:** [February 27, 2018, 7:58pm UTC](https://discuss.elastic.co/t/timelion-offset/121313/2 "2018-02-27T19:58:29Z")

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@Pororo the offset it generally used to compare a data-set to the values from a previous time period. So if you wanted to compare the the values from the current week to the previous week, you'd use an offset of "-7d" on one data-series so that you can easily compare them.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 27, 2018, 7:58pm UTC](https://discuss.elastic.co/t/timelion-offset/121313/3 "2018-03-27T19:58:37Z")

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