It almost became the number of time:

"the adoption of the mathematically simplest, and most Christian, implementation of the 33-year cycle would logically specify the existence of a meridian or narrow band of longitudes within which, and only within which, the Nicene edict could stay correct. This would probably have come to be seen as God's chosen meridian by all Churches that recognised the Nicene council."

https://www.hermetic.ch/cal_stud/gods_longitude.htm