Universal round clock calendar

Claim 1

A universal calendar comprising two superimposed members with rows of scales of digital calendar data and names of days comprising an upper member on which there is arranged a row of 31 view slits with respective members of a row of digital calendar data divided into two parts, the first part of which comprises 17 members in a row on one circle, and the other part of which comprises 14 members disposed in a row on a seconc circle, the other of said two members being a lower member on which there is arranged a scale of names of days divided into two parts having different numbers of members, respectively, disposed in a row on the same circles as the view slits on the upper member; the upper and lower members are concentric disks the view slits and digital calendar data being disposed on the circumference of the upper disk and being circumferentially divided into two parts, the first part comprising an odd number of members being situated on a first circle having a first diameter, and the other part comprising an even number of the remaining view slits and calendar data up to 31, situated on a second circle having a diameter different from that of the first circle, the other of said two disks being a lower disk on which there is arranged a scale of names of days, said scale of names of days being circumferentially divided into two parts each part having six members more than the respective part of the scale of digital calendar data and view slits on identical circles of the same diameter as the view slits and digital calendar data on the upper disk, the view slits for names of days are disposed on the circumference of the upper disk in a system of 31 orientation divisions, and on the upper disk there are also disposed view slits for members of a calendar code, the value of which for the desired month and year is disposed in a tabular manner on a visible surface of the calendar, and on the lower disk there is arranged a scale of names of days, such scale being circumferentially divided in two parts having 23 and 20 members, respectively on identical circles of the same diameter as the view slits on the upper disk and being disposed in a system of 31 orientation divisions, and on the lower disk there are disposed seven members of the calendar code, in the upper disk there is arranged a view slit for reading the definite member of the calendar code in which Monday is represented by a digit 5, Tuesday by 3, Wednesday by 1, Thursday by 6, Friday by 4, Saturday by 2, Sunday by 0, such digits being disposed on the lower disk.