x11/hamclock: New port: Handy clock with features for amateur radio operators

HamClock is a handy clock with features for amateur radio operators! One screen
shows your local time in 12H and 24H format along with UTC in large, easy to
read text. If your location is available, your grid square, local sunrise and
sunset are also displayed

WWW: https://www.clearskyinstitute.com/ham/HamClock/