|The calendar has not been changed so as to confuse the days of the week. We can be positive that our
seventh day is the same day Jesus observed when He was here.
Pope Gregory XIII did make a
calendar change in 1582, but it did not interfere with the weekly cycle. Our present
Gregorian calendar was named after him when he made that small change in 1582.
What did Pope Gregory do to the calendar? Before 1582 the
Julian calendar had been in effect, instituted by
Julius Ceasar about 46 B.C. and named after him. But the Julian calendar had calculated the length of the year as 365 1/4 days, and the year is actually eleven minutes less than 365 1/4 days. Those eleven minutes accumulated, and by 1582 the numbering of the calendar was ten days out of harmony with the
solar system. Gregory simply dropped those ten days out of the numbering of the calendar. It was Thursday, October 4, 1582, and the next day, Friday, should have been October 5. But Gregory made it October 15 instead, dropping exactly ten days to bring the calendar back into harmony with the heavenly bodies.
Were the days of the week confused? No. Friday still followed Thursday, and Saturday still followed Friday. The same seventh day remained, and the weekly cycle was not disturbed in the least. When we keep the
seventh day on Saturday, we are observing the same day Jesus kept, and He did it every week according to Luke 4:16.