public static DateTime ToStartOfWeek(this DateTime dateTime)
{
var dayOfWeek = julianCalendar.GetDayOfWeek(dateTime);
var start = dateTime.Subtract(TimeSpan.FromDays((int)dayOfWeek));
return(start.ToStartOfDay());
}
public void DateTimeExt_TestEndOfWeek()
{
var current = DateTime.UtcNow;
var processed = current.ToEndOfWeek();
Assert.AreEqual(DayOfWeek.Saturday, julian.GetDayOfWeek(processed));
Assert.IsTrue(julian.GetDayOfYear(current) <= julian.GetDayOfYear(processed));
}