Karana
Vishti Meaning
Vishti is a karana. Karana is half of a tithi and is one of the five limbs of panchang, along with tithi, nakshatra, yoga, and vaara.
In Simple Terms
Vishti is one of the karanas, a half-tithi division used in panchang. Its exact use depends on the wider panchang context: tithi, nakshatra, yoga, karana, vaara, and local sunrise.