如何获取特定年份的周数? [英] How to get count of week for particular year..?

问题描述

如何获取特定年份的周数...?

Hi,

How to get count of week for particular year...?

推荐答案

float week = (DateTime.IsLeapYear(year) ? 366 : 365) / 7

或

OR

int year = 2004;
 DateTime dt = new DateTime(year, 12, 31);
 int week = CultureInfo.CurrentCulture.Calendar.GetWeekOfYear(
 dt,
 CalendarWeekRule.FirstFourDayWeek,
 DayOfWeek.Monday);

private double CountNoOfWeeks(int year)
{
   DateTime date1 = new DateTime(year, 1, 1);
   DateTime date2 = date1.AddYears(1);

   double weeks = (date2 - date1).TotalDays / 7;
   return weeks;
}

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