# Campaign rules based on date comparison

**URL:** <https://forum.mautic.org/t/campaign-rules-based-on-date-comparison/10212>\
**Category:** Product Support\
**Created:** [February 6, 2018, 11:58am UTC](https://forum.mautic.org/t/campaign-rules-based-on-date-comparison/10212 "2018-02-06T11:58:00Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![alberto](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/alberto/32/276_2.png) [@alberto](https://forum.mautic.org/u/alberto)\
**Post date:** [February 15, 2018, 1:09am UTC](https://forum.mautic.org/t/campaign-rules-based-on-date-comparison/10212/9 "2018-02-15T01:09:05Z")

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Hi Peter, thank you for the quick reply. Sure, changing the segment on a yearly basis isn’t a big deal. I was just curious what is possible as I wasn’t aware you could use ‘today’ within fields. Is there documentation somewhere as to what else can be used in fields for comparison when it comes to dates?

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