The Tamil Calendar is used in
Tamil Nadu in
India, and by the
Tamil population in
Malaysia,
Singapore and
Sri Lanka. Its use is now largely restricted to cultural and religious events, with the
Gregorian calendar having supplanted it for official use both within and outside India. The Tamil months which are now solar siderial are in fact named after the old lunar asterisms of Sanskrit. Most of the names, however are greatly corrupted versions of the originals as evidenced by names such as purADam, Adi (or ADam), aipisi, puRaTTasi etc., which were drawn from the Sanskrit purvAshADa, aashaaDA, ashvini and purva-bhadra-pada respectively.
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