DumbBOT creates a number of daily categories. Generally, it creates the categories from one day before to three days after today. It currently creates the categories according to the following table:
| Wiki | Subcategory/Subpage | Starter | Replace |
| en.wiki.x.io | Category:Proposed deletion as of $D | Template:Prod subcategory starter | |
| en.wiki.x.io | Category:Wikipedia files with unknown copyright status as of $D | Template:Images with unknown copyright status subcategory starter | |
| en.wiki.x.io | Category:Wikipedia files with unknown source as of $D | Template:Images with unknown sources subcategory starter | |
| en.wiki.x.io | Category:Wikipedia files with unknown source as of $D | Template:Images with unknown sources subcategory starter nogallery | 1 |
| en.wiki.x.io | Category:Wikipedia files with no non-free use rationale as of $D | Template:Images with no fair use rationale subcat starter | |
| en.wiki.x.io | Category:Orphaned non-free use Wikipedia files as of $D | Template:Orphan fair use subcat starter | |
| en.wiki.x.io | Category:Replaceable non-free use to be decided after $D[+ 7 days] | Template:Replaceable fair use Images subcategory starter | |
| en.wiki.x.io | Category:Disputed non-free Wikipedia files as of $D | Template:Disputed non-free images subcategory starter | |
| en.wiki.x.io | Wikipedia:Redirects for discussion/Log/$D{%Y_%B_%-d} | Template:RfD subpage starter | |
| en.wiki.x.io | Category:Wikipedia files with the same name on Wikimedia Commons as of $D | Template:Wikipedia files with the same name on Wikimedia Commons starter | |
| en.wiki.x.io | Category:Wikipedia files with a different name on Wikimedia Commons as of $D | Template:Wikipedia files with a different name on Wikimedia Commons starter |
The subcategory/subpage starter template is transcluded using the following arguments:
- 1 = year
- 2 = month
- 3 = day, 0-padded
- 4 = day
- 5 = day, blank padded
- 6 = date as used in place of $D
- 7-12 same for day before
- 13-19 same for day after
- REVID is the id of the previous revision
- MONTHNO is the number of the month, zero-padded
Date $D is formatted using GNU date. Default formatting is "%-d_%B_%Y".