Simplify the following text for a Grade 5 native English-speaking person.
Original: Vaisakhi ( , ' , also known as Baisakhi or Vasakhi ) is an ancient harvest festival in the Punjab region , which also marks beginning of a new solar year , and new harvest season .
Simplified: Vaisakhi , also known as Baisakhi or Vasakhi is the ancient harvest festival in the Punjab region . It is also the start of a new solar year , and new harvest season .