Mandar Saptami Vrat is observed in Magh month (January – February) as per traditional Hindu calendar followed in
India. Mandar Saptami Vrat 2018 date is January 24. The fasting
and ritual is dedicated to Surya, the sun god.
The vrat is a three day affair. On Panchami, two days before, the person observing the vrat only eats vegetarian food. The previous Sashti day it is complete fasting. The devotee sleeps on the day after eating Mandhar flowers. On the Saptami day, pujas dedicated to Surya are performed in the morning and the fast is broken.
The greatness of the vrat is mentioned in the Padma Puran and Matsya Puran.
Mandar Sashti is observed on the Magh Shukla Paksha Saptami Tithi – the seventh day during the waxing phase of moon in Magh Month.
On the same day, the famous Ratha Saptami puja dedicated to Surya is observed.