# list of non-standard dates

> description of non-standard dates used in calendars for various reasons

**Wikidata**: [Q60674392](https://www.wikidata.org/wiki/Q60674392)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/List_of_non-standard_dates)  
**Source**: https://4ort.xyz/entity/list-of-non-standard-dates