1 Gcal is a program for calculating and printing calendars. Gcal
2 displays hybrid and proleptic Julian and Gregorian calendar sheets,
3 respectively, for one month, three months or a whole year. It also
4 displays eternal holiday lists for many countries around the globe,
5 and features a very powerful creation of fixed date lists that can be
6 used for reminding purposes. Gcal can calculate various astronomical
7 data and times of the Sun and the Moon for at pleasure any location,
8 precisely enough for most civil purposes. Gcal supports some other
9 calendar systems, for example the Chinese and Japanese calendar, the
10 Hebrew calendar and the civil Islamic calendar, too.