The Raghunatha Iyer version specifically preserves the astrological heritage of the tradition, often serving as a primary reference for Hindu communities in Sri Lanka and the diaspora.
: The stellar constellation the Moon is currently transiting. Raghunatha Iyer Vakya Panchangam
The Vakya system is rooted in the computational methods found in Siddhānta texts like the . Unlike modern "Drik" (observation-based) systems, the Vakya system relies on: the Vakya system relies on: