Man pages matching name cal in section 1:

cal.1.en	debian 10 / bsdmainutils
cal.1.de	debian 10 / manpages-de
cal.1.hu	debian 10 / manpages-hu
cal.1.tr	debian 10 / manpages-tr
cal.1.zh_CN	debian 10 / manpages-zh
cal.1.zh_TW	debian 10 / manpages-zh
cal.1.de	debian 11 / manpages-de
cal.1.hu	debian 11 / manpages-hu
cal.1.tr	debian 11 / manpages-tr
cal.1.zh_CN	debian 11 / manpages-zh
cal.1.zh_TW	debian 11 / manpages-zh
cal.1.en	debian 11 / ncal
cal.1.de	debian 12 / manpages-de
cal.1.tr	debian 12 / manpages-tr
cal.1.zh_CN	debian 12 / manpages-zh
cal.1.zh_TW	debian 12 / manpages-zh
cal.1.en	debian 12 / ncal