# Metonic cycle

> period of very close to 19 years that is nearly a common multiple of the solar year and the synodic (lunar) month

**Wikidata**: [Q285682](https://www.wikidata.org/wiki/Q285682)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Metonic_cycle)  
**Source**: https://4ort.xyz/entity/metonic-cycle


## References

1. A Short History of Astronomy
2. [Source](https://webspace.science.uu.nl/~gent0113/babylon/babycal.htm)
3. Freebase Data Dumps. 2013