# zeptosecond

> SI unit of time equal to one sextillionth of a second or 1/1,000th of an attosecond

**Wikidata**: [Q1872619](https://www.wikidata.org/wiki/Q1872619)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Zeptosecond)  
**Source**: https://4ort.xyz/entity/zeptosecond


## References

1. Logopedia