Complex sentence: Maghe sankranti is a Nepalese festival observed in the month of January on the first day of the month of Magh, bringing an end to the ill-omened month of Poush when all religious ceremonies are forbidden.
Split into simpler sentences: Maghe sankranti is a Nepalese festival observed in the month of January (at the beginning of the month of Magh). It brings an end to the ill-omened month of Poush when all religious ceremonies are forbidden.