Total number of days = 365
total number of days in a week= 7
hence the number of weeks = 365/7 = 52.1429
hence 52 weeks and 0.1429 week which is 0.1429 * 7 days = 1 day
hence 365 days = 52 weeks and 1 day
so in leap year there is 1 day more
so 366 days will be 52 weeks and 2 days.