/// <summary>
/// Converts Given English Year, Month and Day into equivalent Nepali Date
/// </summary>
/// <param name="yy">2016</param>
/// <param name="mm">4</param>
/// <param name="dd">13</param>
/// <returns>
/// converter.Year => 2073
/// converter.Month => 1
/// converter.Day => 1
/// converter.WeekDayName => Wednesday
/// converter.WeekDay => 4
/// converter.MonthName => Baishakh
/// </returns>
public static DateConverter ConvertToNepali(int yy, int mm, int dd)
{
Calendar calendar = new Calendar();
DateConverter converter = new DateConverter();
if (calendar.ValidEnglishDate(yy, mm, dd))
{
// english months
int[] month = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
// leap year months
int[] lmonth = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
// initial values
int def_eyy = 1944;
int def_nyy = 2000;
int def_nmm = 9;
int def_ndd = 17 - 1;
int day = 7 - 1;
int total_eDays = 0;
int total_nDays = 0;
int a = 0;
int m = 0;
int y = 0;
int i = 0;
int j = 0;
int numDay = 0;
for (i = 0; i < yy - def_eyy; i++)
{
if (calendar.IsLeapYear(def_eyy + i))
{
for (j = 0; j < 12; j++)
{
total_eDays += lmonth[j];
}
}
else
{
for (j = 0; j < 12; j++)
{
total_eDays += month[j];
}
}
}
// count total no. of days in terms of month
for (i = 0; i < mm - 1; i++)
{
if (calendar.IsLeapYear(yy))
{
total_eDays += lmonth[i];
}
else
{
total_eDays += month[i];
}
}
// count total no. of days in terms of day
total_eDays += dd;
i = 0;
j = def_nmm;
total_nDays = def_ndd;
m = def_nmm;
y = def_nyy;
// count nepali date from calendar array
while (total_eDays != 0)
{
a = calendar.BSCalendar[i][j];
total_nDays++;
day++;
if (total_nDays > a)
{
m++; // increment month
total_nDays = 1; // reset nepali day to 1
j++; // index to next calendar's position
}
// reset day at the end of week passed
if (day > 7)
{
day = 1;
}
// reset month if end of month passed
// And increment year by 1
if (m > 12)
{
y++;
m = 1;
}
// reset index after last position of calender
// and increment i th position (meaning next year started)
if (j > 12)
{
j = 1;
i += 1;
}
total_eDays -= 1;
}
numDay = day;
// public attribute accessors
converter.Year = y;
converter.Month = m;
converter.Day = total_nDays;
converter.WeekDay = day;
converter.WeekDayName = calendar.GetDayOfWeek(day);
converter.MonthName = calendar.GetNepaliMonth(m);
return(converter);
}
else
{
return(converter);
}
}
/// <summary>
/// Returns English Date for given Nepali Year, Month and Day
/// </summary>
/// <param name="yy">2073</param>
/// <param name="mm">1</param>
/// <param name="dd">1</param>
/// <returns>
/// converter.Year => 2016
/// converter.Month => 4
/// converter.Day => 13
/// converter.WeekDayName => Wednesday
/// converter.WeekDay => 4
/// converter.MonthName => April
/// </returns>
public static DateConverter ConvertToEnglish(int yy, int mm, int dd)
{
Calendar calendar = new Calendar();
DateConverter converter = new DateConverter();
// Initial / Default values
int def_eyy = 1943;
int def_emm = 4;
int def_edd = 14 - 1;
// equivalent nepali date
int def_nyy = 2000;
int total_eDays = 0;
int total_nDays = 0;
int a = 0;
int day = 4 - 1;
int m = 0;
int y = 0;
int i = 0;
int j = 0;
int k = 0;
int[] month = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int[] lmonth = { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
if (calendar.ValidNepaliDate(yy, mm, dd))
{
// count total days in terms of year
for (i = 0; i < yy - def_nyy; i++)
{
for (j = 1; j <= 12; j++)
{
total_nDays += calendar.BSCalendar[k][j];
}
k++;
}
// count total days in terms of month
for (j = 1; j < mm; j++)
{
total_nDays += calendar.BSCalendar[k][j];
}
// count total days in terms of day
total_nDays += dd;
// calculation of equivalent english date
total_eDays = def_edd;
m = def_emm;
y = def_eyy;
while (total_nDays != 0)
{
if (calendar.IsLeapYear(y))
{
a = lmonth[m];
}
else
{
a = month[m];
}
total_eDays++;
day++;
if (total_eDays > a)
{
m++;
total_eDays = 1;
if (m > 12)
{
y++;
m = 1;
}
}
if (day > 7)
{
day = 1;
}
total_nDays--;
}
// public attribute accessors
// public attribute accessors
converter.Year = y;
converter.Month = m;
converter.Day = total_eDays;
converter.WeekDay = day;
converter.WeekDayName = calendar.GetDayOfWeek(day);
converter.MonthName = calendar.GetEnglishMonth(m);
return(converter);
}
else
{
return(converter);
}
}