GetMonth() public method

public GetMonth ( System.DateTime time ) : int
time System.DateTime
return int
Example #1
0
        public static int EncodeDate(DateTime d)
        {
            int day, month, year;
            int c, ya;

            GregorianCalendar calendar = new GregorianCalendar();

            day = calendar.GetDayOfMonth(d);
            month = calendar.GetMonth(d);
            year = calendar.GetYear(d);

            if (month > 2)
            {
                month -= 3;
            }
            else
            {
                month += 9;
                year -= 1;
            }

            c = year / 100;
            ya = year - 100 * c;

            return ((146097 * c) / 4 + (1461 * ya) / 4 + (153 * month + 2) / 5 + day + 1721119 - 2400001);
        }
 public void PosTest3()
 {
     System.Globalization.Calendar myCalendar = new GregorianCalendar(GregorianCalendarTypes.USEnglish);
     int year, month;
     DateTime time;
     int expectedMonth, actualMonth;
     year = GetACommonYear(myCalendar);
     month = 2;
     time = myCalendar.ToDateTime(year, month, 28, 10, 20, 30, 0);
     expectedMonth = month;
     actualMonth = myCalendar.GetMonth(time);
     Assert.Equal(expectedMonth, actualMonth);
 }
 public void PosTest4()
 {
     System.Globalization.Calendar myCalendar = new GregorianCalendar(GregorianCalendarTypes.USEnglish);
     int year, month;
     DateTime time;
     int expectedMonth, actualMonth;
     year = GetACommonYear(myCalendar);
     //Get a random value beween 1 and 12 not including 2.
     do
     {
         month = TestLibrary.Generator.GetInt32(-55) % 12 + 1;
     } while (2 == month);
     time = myCalendar.ToDateTime(year, month, 28, 10, 30, 20, 0);
     expectedMonth = month;
     actualMonth = myCalendar.GetMonth(time);
     Assert.Equal(expectedMonth, actualMonth);
 }
 public DateTime ShamsiTogregorian(DateTime date)
 {
     PersianCalendar pc = new PersianCalendar();
     GregorianCalendar gcalendar = new GregorianCalendar();
     DateTime eDate = pc.ToDateTime(
            gcalendar.GetYear(date),
            gcalendar.GetMonth(date),
            gcalendar.GetDayOfMonth(date),
            gcalendar.GetHour(date),
            gcalendar.GetMinute(date),
            gcalendar.GetSecond(date), 0);
     return eDate;
 }
 public void PosTest5()
 {
     System.Globalization.Calendar myCalendar = new GregorianCalendar(GregorianCalendarTypes.USEnglish);
     int year, month;
     DateTime time;
     int expectedMonth, actualMonth;
     year = myCalendar.MinSupportedDateTime.Year;
     month = TestLibrary.Generator.GetInt32(-55) % 12 + 1;
     time = myCalendar.ToDateTime(year, month, 20, 8, 20, 30, 0);
     expectedMonth = month;
     actualMonth = myCalendar.GetMonth(time);
     Assert.Equal(expectedMonth, actualMonth);
 }
 public void PosTest8()
 {
     System.Globalization.Calendar myCalendar = new GregorianCalendar(GregorianCalendarTypes.USEnglish);
     int year, month;
     DateTime time;
     int expectedMonth, actualMonth;
     year = myCalendar.MaxSupportedDateTime.Year;
     month = 12;
     time = myCalendar.ToDateTime(year, month, 20, 8, 20, 30, 0);
     expectedMonth = month;
     actualMonth = myCalendar.GetMonth(time);
     Assert.Equal(expectedMonth, actualMonth);
 }
Example #7
0
        /// <summary>
        /// Converts Hijri date To Gregorian date.
        /// </summary>
        public static void HijriToGregorian(
                    int inYear, int inMonth, int inDay,
                    out int outYear, out int outMonth, out int outDay)
        {
            var ys = inYear;
            var ms = inMonth;
            var ds = inDay;

            var sss = new GregorianCalendar();
            outYear = sss.GetYear(new DateTime(ys, ms, ds, new PersianCalendar()));
            outMonth = sss.GetMonth(new DateTime(ys, ms, ds, new PersianCalendar()));
            outDay = sss.GetDayOfMonth(new DateTime(ys, ms, ds, new PersianCalendar()));
        }
Example #8
0
        /// <summary>
        /// Compares two dates ignoring the year.
        /// </summary>
        /// <param name="date1">The first date to compare.</param>
        /// <param name="date2">The second date to compare.</param>
        /// <returns>-1 If the first date is anterior to the second date, 0 if the two dates are identical (to the day).</returns>
        public static int? CompareDatesIgnoringYear(DateTime? date1, DateTime? date2)
        {
            // Compare null dates
            var result = CompareNullDates(date1, date2);

            if (result ==null)
            {
                var calendar = new GregorianCalendar();
                var dateTime1 = (DateTime) date1;
                var dateTime2 = (DateTime) date2;

                if (calendar.GetMonth(dateTime1) < calendar.GetMonth(dateTime2))
                {
                    result = -1;
                }
                else if (calendar.GetMonth(dateTime1) > calendar.GetMonth(dateTime2))
                {
                    result = 1;
                }
                else 
                {
                    // Compare days
                    result = CompareDays(dateTime1, dateTime2);
                }
            }
            return result;
        }
        public string dateconvert(string date)
        {
            string covertdate="";
            try
            {
                DateTime dt23 = Convert.ToDateTime(date);
                CultureInfo arCI = new CultureInfo("ar-SA");
                string ar = dt23.ToString(new CultureInfo("ar-SA"));
                GregorianCalendar enCalendar = new GregorianCalendar();
                int year = enCalendar.GetYear(dt23);
                int month = enCalendar.GetMonth(dt23);
                int day = enCalendar.GetDayOfMonth(dt23);
                covertdate = (string.Format("{0}-{1}-{2}", year, month, day));
            }
            catch
            {

                IFormatProvider culture = new CultureInfo("en-US", true);
                //DateTime dateVal = DateTime.ParseExact(date, "yyyy-MM-dd", culture);
                DateTime dt1 = DateTime.ParseExact(date, "dd/MM/yyyy", culture);
                CultureInfo arCI = new CultureInfo("en-US");
                string ar = date.ToString(new CultureInfo("en-US"));
                GregorianCalendar enCalendar = new GregorianCalendar();
                int year = enCalendar.GetYear(dt1);
                int month = enCalendar.GetMonth(dt1);
                int day = enCalendar.GetDayOfMonth(dt1);

                covertdate = (string.Format("{0}-{1}-{2}", year, month, day));

               // covertdate = dateVal.ToString("yyyy-MM-dd");

            }

            return (covertdate);
        }
        public static DateTime GetChristianDateTime(string _Fdate)
        {
            _Fdate = _Fdate.Trim().Replace(':', '/').Replace('-', '/').Replace(' ', '/');
            var dateArray = new string[6];
            if (_Fdate.Length <= 10)
            {
                _Fdate = _Fdate + "/0/0/0";
            }
            dateArray = _Fdate.Split('/');

            PersianCalendar pcalendar = new PersianCalendar();
            GregorianCalendar gcalendar = new GregorianCalendar();
            DateTime eDate = pcalendar.ToDateTime(
                    gcalendar.GetYear(new DateTime(int.Parse(dateArray[0]), 1, 1)),
                    gcalendar.GetMonth(new DateTime(1395, int.Parse(dateArray[1]), 1)),
                    gcalendar.GetDayOfMonth(new DateTime(1395, 1, int.Parse(dateArray[2]))),
                    gcalendar.GetHour(new DateTime(1395, 1, 1, int.Parse(dateArray[3]), 0, 0)),
                    gcalendar.GetMinute(new DateTime(1395, 1, 1, 1, int.Parse(dateArray[4]), 0)),
                    gcalendar.GetSecond(new DateTime(1395, 1, 1, 1, 1, int.Parse(dateArray[5]))), 0);
            return eDate;
        }