The Byzantine Church leads her children into the period known as the Great Fast (Lent) with preparatory days before the Clean Monday, the day the Fast begins. Meatfare and Cheesefare Sundays each begin a week in preparation.
Here’s the basics.
The Great Fast begins on Clean Monday 2020, February 24
Holy Week 2020, April 5 to 11
Holy Pascha 2020, Sunday, April 12
Ascension Thursday 2020, May 21
Holy Pentecost 2020, May 31