Ther is 52.175 week in 1 year.
Oops I mean 52.1775
52 weeks....
in calendar

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I think 52 or 53 because there are 365 days in a year and each week there are 7 days. So DAYS/WEEK OR 365 divided by 7 :) 

~hope it can help :)

1 3 1
365 days,52 weeks,12months=1YEAR

its from my teacher its a time conversion

i just want to help
Ow. Okey :) Ehehehe ^^~