# Gregorian year

> unit of time

**Wikidata**: [Q39628023](https://www.wikidata.org/wiki/Q39628023)  
**Source**: https://4ort.xyz/entity/gregorian-year


## References

1. [National Aeronautics and Space Administration](https://www.grc.nasa.gov/www/k-12/Numbers/Math/Mathematical_Thinking/calendar_calculations.htm)
2. FactGrid
3. KBpedia