KEBERAGAMAN SISTEM KALENDER UMAT ISLAM PERSPEKTIF TEORI DIFERENSIASI SOSIAL HERBERT SPENCER

Abstract

Herbert Spencer’s theory of social difference states that society
dynamically develops to adjust with environment. In relation to
the history of Islamic calendar, the development can be traced
back from the varieties of systems in calendar-making. Such
varieties were resulted as Moslem societies must adjustment to
their new environment. Formerly, the decision of a new month
is done by a method named as rukyatul hilal. Then, as with the
development of new methods, there come hisab method, kasyaf
method, and others.

Kata kunci: Sistem Kalender, Teori Deferensiasi Sosial, Herbert
Spencer