# Trying to calculate time difference using scripted fields

**URL:** <https://discuss.elastic.co/t/trying-to-calculate-time-difference-using-scripted-fields/197674>\
**Category:** Kibana\
**Created:** [September 2, 2019, 11:01am UTC](https://discuss.elastic.co/t/trying-to-calculate-time-difference-using-scripted-fields/197674 "2019-09-02T11:01:44Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![matw](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/matw/32/13913_2.png) [@matw](https://discuss.elastic.co/u/matw)\
**Post date:** [September 4, 2019, 8:08am UTC](https://discuss.elastic.co/t/trying-to-calculate-time-difference-using-scripted-fields/197674/5 "2019-09-04T08:08:29Z")

</div>

please try the following

`doc['netflow.last_switched'].value.millis - doc['netflow.first_switched'].value.millis`

---

_[View the full topic](https://discuss.elastic.co/t/trying-to-calculate-time-difference-using-scripted-fields/197674)._