Display a calendar for a specific month and year

Display calendar information in the Jalali format, with the current day highlighted.
More information: <http://www.nongnu.org/jcal/>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

jcal {{year}} {{month}}

click the source code to copy install jcal on any operating system with command-not-found.com