That is when the Earth comes between the moon and the Sun, and one sees the full moon as the moon is facing the Sun.
चन्द्रमा पृथ्वीको धेरै नजिक आउनेछ त्यसैकारण चन्द्रमा सामान्यभन्दा निकै ठूलो देखिनेछ ।