Yes, there are significant astrological events happening in July 2023. Amavasya, the new moon day, falls on July 17th which is a Monday. The start time of Amavasya is at 11:5 PM on July 16th, and it ends at 12:30 AM on July 18th. Pournami, the full moon day, falls on July 3rd which is also a Monday. The start time for Pournami is at 7:46 PM on July 2nd and ends at 5:49 PM on July 3rd.