Show debate of solar years vs is calendar years continues Conti mies the earth evolves around the sun in exactly days 5 hours 48 min consequent cons equen leap years omitted haphazardly might result in the sun running away from the calendar and too many leap years would speed the calendar on ahead of the sun the gregorian calendar devised and presented to the world in 1582 by pope gregory XIII provides that years divisible by tour four exclusive of 0 the years numbering the centuries shall have days |