/// <summary>
/// 以儒略日初始化
/// </summary>
/// <param name="JulianDay">儒略日</param>
/// <param name="isMjd">是否是平儒略日</param>
public Calendar(decimal JulianDay, bool isMjd = false)
{
if (isMjd)
{
JulianDay += 2400000.5m;
}
Int32 Day;
Int32 Month;
Int32 Year;
Int32 Hour;
Int32 Minute;
Int32 Second;
Decimal milliSeconds;
TimeConvert.JdToCalendar(JulianDay, out Day, out Month, out Year, out Hour, out Minute, out Second, out milliSeconds);
// this(Year, Month, Day, Hour, Minute, Second, milliSeconds);
this.Year = Year;
this.Month = Month;
this.Day = Day;
this.Hour = Hour;
this.Minute = Minute;
this.Second = Second;
this.Seconds = Second + (milliSeconds / 1000.0M);
this.MilliSeconds = milliSeconds;
this.MilliSecond = (int)milliSeconds;
this.SecondFraction = new SecondFraction(this.MilliSeconds / 1000M);
}
public Calendar(int year, int dayOfYear, int hour, int minute, Decimal seconds)
: this(
year,
TimeConvert.GetMonth(year, dayOfYear),
TimeConvert.GetDayOfMonth(year, dayOfYear),
hour,
minute,
seconds)
{
}
/// <summary>
/// 将指定的日期和时间与另一个指定的日期和时间相减，返回一个时间间隔。
/// </summary>
/// <param name="d1">System.Calendar（被减数）。</param>
/// <param name="d2"> System.Calendar（减数）。</param>
/// <returns>CalendarSpan，它是 d1 和 d2 之间的时间间隔，即 d1 减去 d2。</returns>
public static CalendarSpan operator -(Calendar d1, Calendar d2)
{
return(CalendarSpan.FromDays(TimeConvert.GetPassedDays(d2, d1)));
}