I would like to add a facet to a search_api view filtering on the content "changed" field. I would like to use friendly naming like "This week", "This month" etc. There is an answer here stating that custom code is needed. However this answer is for Drupal 6 (about 8 years old) and refers to a date range field while "changed" is a timestamp.

Currently if I add Date processor capability to this facet I have a granularity option. If I select a month granularity I get a basic "time ago" feature but seem to get very odd results.

EG. Clicking on "3 months ago (3)" in the below list gives me 13 items. The url generated is &facets_query=&keyword[0]=last_updated:2021-05-22 (As of today July 22)

Last updated
3 months ago (3)
6 months ago (3)
7 months ago (2)
8 months ago (9)
10 months ago (1)
11 months ago (6)
1 year 0 months ago (7)


  1. Is there an updated answer available for creating a friendly set of date ranges?
  2. Why could I be I getting these incorrect facet counts?

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