# GNU gcal

> computer program for calculating and printing calendars

**Wikidata**: [Q3093304](https://www.wikidata.org/wiki/Q3093304)  
**Source**: https://4ort.xyz/entity/gnu-gcal


## References

1. [GNU gcal 4.2.0 released. 2025](https://savannah.gnu.org/news/?id=10815)
2. [GNU Spotlight with Karl Berry (March 2010). 2010](https://www.fsf.org/blogs/community/gnu-spotlight-with-karl-berry-march-2010)
3. [GNU's Who](https://www.gnu.org/people/people.html#t)
4. GNU Guix
5. source code
6. [GNU gcal 3.6.2 released. 2012](https://lists.gnu.org/archive/html/info-gnu/2012-05/msg00005.html)
7. [GNU gcal 4.1 released. 2017](https://lists.gnu.org/archive/html/bug-gcal/2017-01/msg00000.html)
8. [GNU gcal 4.2.0 released. 2025](https://lists.gnu.org/archive/html/info-gnu/2025-09/msg00004.html)
9. [Source](https://packages.debian.org/source/trixie/gcal)
10. [Source](https://metadata.ftp-master.debian.org/changelogs//main/g/gcal/gcal_4.2.0-3_copyright)
11. [Source](https://openports.eu/ports/astro/gcal)
12. [Source](https://lists.gnu.org/mailman/listinfo/bug-gcal)