^ ابSundarraj، M. (1997) [1st ed. 1994]. "Ch. 4 Asvins—Time-Keepers". في Mahalingam، N. (المحرر). RG Vedic Studies. كويمباتور: Rukmani Offset Press. ص. 219. It is quite clear that the smallest unit was the 'nimisah' ['winking of eyes'], and that time in the general sense of past, present and future was indicated by the word 'yuga'.