# Symmetry454

> proposal for calendar reform, with mean year =365+71/293 days

**Wikidata**: [Q592891](https://www.wikidata.org/wiki/Q592891)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Symmetry454)  
**Source**: https://4ort.xyz/entity/symmetry454


## References

1. Freebase Data Dumps. 2013