public static void Main()
{
// Creates and initializes a JulianCalendar.
JulianCalendar myCal = new JulianCalendar();
// Displays the header.
Console.Write("YEAR\t");
for (int y = 2001; y <= 2005; y++)
{
Console.Write("\t{0}", y);
}
Console.WriteLine();
// Displays the value of the CurrentEra property.
Console.Write("CurrentEra:");
for (int y = 2001; y <= 2005; y++)
{
Console.Write("\t{0}", myCal.GetDaysInMonth(y, 2, JulianCalendar.CurrentEra));
}
Console.WriteLine();
// Displays the values in the Eras property.
for (int i = 0; i < myCal.Eras.Length; i++)
{
Console.Write("Era {0}:\t", myCal.Eras[i]);
for (int y = 2001; y <= 2005; y++)
{
Console.Write("\t{0}", myCal.GetDaysInMonth(y, 2, myCal.Eras[i]));
}
Console.WriteLine();
}
}
public void DateTimeExt_TestEndOfMonth()
{
var current = DateTime.UtcNow;
var processed = current.ToEndOfMonth();
Assert.AreEqual(current.Year, processed.Year);
Assert.AreEqual(current.Month, processed.Month);
Assert.AreEqual(julian.GetDaysInMonth(current.Year, current.Month), processed.Day);
Assert.AreEqual(23, processed.Hour);
Assert.AreEqual(59, processed.Minute);
Assert.AreEqual(59, processed.Second);
Assert.AreEqual(999, processed.Millisecond);
}
public static Tuple <DateTime, DateTime> ToQuarterRange(this DateTime dateTime)
{
var j = new JulianCalendar();
int currentDay = dateTime.DayOfYear;
int indexDay = 0;
for (int i = 1; i <= 12; i++)
{
indexDay += j.GetDaysInMonth(dateTime.Year, i);
if (indexDay >= currentDay)
{
if (i >= 0 && i <= 3)
{
var endMonthNum = 3;
return(new Tuple <DateTime, DateTime>(dateTime.ToStartOfYear(), new DateTime(dateTime.Year, endMonthNum, j.GetDaysInMonth(dateTime.Year, endMonthNum)).ToEndOfDay()));
}
else if (i >= 4 && i <= 6)
{
var endMonthNum = 6;
return(new Tuple <DateTime, DateTime>(new DateTime(dateTime.Year, 4, 1).ToStartOfDay(), new DateTime(dateTime.Year, endMonthNum, j.GetDaysInMonth(dateTime.Year, endMonthNum)).ToEndOfDay()));
}
else if (i >= 7 && i <= 9)
{
var endMonthNum = 9;
return(new Tuple <DateTime, DateTime>(new DateTime(dateTime.Year, 7, 1).ToStartOfDay(), new DateTime(dateTime.Year, endMonthNum, j.GetDaysInMonth(dateTime.Year, endMonthNum)).ToEndOfDay()));
}
else
{
var endMonthNum = 12;
return(new Tuple <DateTime, DateTime>(new DateTime(dateTime.Year, 10, 1).ToStartOfDay(), new DateTime(dateTime.Year, endMonthNum, j.GetDaysInMonth(dateTime.Year, endMonthNum)).ToEndOfDay()));
}
}
}
return(null);
}
public static void Main()
{
// Creates and initializes a JulianCalendar.
JulianCalendar myCal = new JulianCalendar();
// Creates a holder for the last day of the second month (February).
int iLastDay;
// Displays the header.
Console.Write("YEAR\t");
for (int y = 2001; y <= 2005; y++)
{
Console.Write("\t{0}", y);
}
Console.WriteLine();
// Checks five years in the current era.
Console.Write("CurrentEra:");
for (int y = 2001; y <= 2005; y++)
{
iLastDay = myCal.GetDaysInMonth(y, 2, JulianCalendar.CurrentEra);
Console.Write("\t{0}", myCal.IsLeapDay(y, 2, iLastDay, JulianCalendar.CurrentEra));
}
Console.WriteLine();
// Checks five years in each of the eras.
for (int i = 0; i < myCal.Eras.Length; i++)
{
Console.Write("Era {0}:\t", myCal.Eras[i]);
for (int y = 2001; y <= 2005; y++)
{
iLastDay = myCal.GetDaysInMonth(y, 2, myCal.Eras[i]);
Console.Write("\t{0}", myCal.IsLeapDay(y, 2, iLastDay, myCal.Eras[i]));
}
Console.WriteLine();
}
}
public static DateTime ToEndOfMonth(this DateTime dateTime)
{
return(new DateTime(dateTime.Year, dateTime.Month, julianCalendar.GetDaysInMonth(dateTime.Year, dateTime.Month)).ToEndOfDay());
}
