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The Igbo calendar is the traditional calendar system of the Igbo people from present-day Nigeria. The calendar has 13 months in a year (afo), 7 weeks in a month (onwa), and 4 days of Igbo market days (afor, nkwo, eke, and orie) in a week (izu) plus an extra day at the end of the year, in the last month.
The Gregorian calendar, like the Julian calendar, is a solar calendar with 12 months of 28–31 days each. The year in both calendars consists of 365 days, with a leap day being added to February in the leap years. The months and length of months in the Gregorian calendar are the same as for the Julian calendar.
A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. [1] [2] [3] A date is the designation of a single and specific day within such a system. A calendar is also a physical record (often paper) of such a system.
The International Fixed Calendar is a more modern descendant of this calendar: invented by Moses B. Cotsworth and financially backed by George Eastman. [8] Around 1930, one James Colligan invented the Pax Calendar, which avoids off-calendar days by adding a 7-day leap week to the 364-day common year for 71 out of 400 years.
Mesoamericans modified their usual vigesimal (base-20) counting system when dealing with calendars to produce a 360-day year. [4] Aboriginal Australians understood the movement of objects in the sky well, and used their knowledge to construct calendars and aid navigation; most Aboriginal cultures had seasons that were well-defined and ...
Alwin Nikolais (November 25, 1910 – May 8, 1993) was an American choreographer, dancer, composer, musician, and teacher. [1] He had created the Nikolais Dance Theatre, [2] and was known for his self-designed innovative costume, lighting and production design.
The Romans also introduced technical innovations. For example, to make dance steps more audible in large open-air theatres, Roman actors attached metal chips called sabilla to their stage footwear, creating the first tap shoes. [7] The music from all of these forms is lost, however, and they had little influence on later development of musical ...
The Dance/Mix Show Airplay chart tracks the most popular tracks played by radio stations using a "dance music" format. Modern dance music is typically a core component of the rhythmic adult contemporary and rhythmic contemporary formats, and an occasional component of the contemporary hit radio format in the case of dance songs which chart.