< January 1980		February 1980			March 1980 >
Montag	Dienstag	Mittwoch	Donnerstag	Freitag	Samstag	Sonntag
28	29	30	31	01	02	03
04	05	06	07	08	09	10
11	12	13	14	15	16	17
18	19	20	21	22	23	24
25	26	27	28	29	01	02