# Calendrical Calculations

> 1997 book by Nachum Dershowitz and Edward Reingold

**Wikidata**: [Q96374273](https://www.wikidata.org/wiki/Q96374273)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Calendrical_Calculations)  
**Source**: https://4ort.xyz/entity/calendrical-calculations