What impact did the flying shuttle have on the Industrial Revolution? It changed the manual labor based weaving industry into a mechanized industry, with many weavers becoming unemployed and John Kay getting death threat.
That makes no sense. There are only 7 days in a week. If you go every other day that is 3.5 times a week, answers another, who understands that weeks start on Sunday and end on Saturday. Or start on Monday and end on Sunday. Either way, each one is 7 days.
Conclusion From the point of view of mathematics, there are 52 1/7 (or 2/7) weeks in a year. It means 52 full weeks. But on the calendar there will be 53 or 54 separate weeks though one or two of them will be incomplete. So the answer to the question about the number of weeks in a year depends on what you prefer to call a week.