Punarpoosam is the seventh birth star among 27 Nakshatram in Hindu Jyothisha or astrology. In Malayalam Jyothisham, Punarpoosam occurs is Mithuna Rashi and Karka Rashi.
Punarpoosam Nakshatra is known as Punirtham in Malayalam.
The first three quarter of the Punarpoosam star is in Mithuna Rashi (Gemini Zodiac) and the last quarter is in Karka Rashi (Cancer Zodiac) according to Hindu moon astrology calendar followed in Tamil Nadu and Kerala.
The term Punarpoosam is used in Tamil Nadu. In most regions, the Nakshatra is known as Punarvasu.