/// <remarks>
/// Source: https://stackoverflow.com/questions/2510383/how-can-i-calculate-what-date-good-friday-falls-on-given-a-year.
/// </remarks>
public static DateTimeOffset EasterSunday(TimeZoneInfo timeZone, int year)
{
int day = 0;
int month = 0;
int g = year % 19;
int c = year / 100;
int h = (c - (int)(c / 4) - (int)((8 * c + 13) / 25) + 19 * g + 15) % 30;
int i = h - (int)(h / 28) * (1 - (int)(h / 28) * (int)(29 / (h + 1)) * (int)((21 - g) / 11));
day = i - ((year + (int)(year / 4) + i + 2 - c + (int)(c / 4)) % 7) + 28;
month = 3;
if (day > 31)
{
month++;
day -= 31;
}
return(DateTimeOffsetUtilities.Create(timeZone, year, month, day));
}
public static DateTimeOffset NearestMonday(TimeZoneInfo timeZone, int year, int month, int day)
{
return(NearestMonday(DateTimeOffsetUtilities.Create(timeZone, year, month, day)));
}
public static DateTimeOffset SkipWeekend(TimeZoneInfo timeZone, int year, int month, int day)
{
return(SkipWeekend(DateTimeOffsetUtilities.Create(timeZone, year, month, day)));
}
public static DateTimeOffset NextDayOfWeekOccurence(TimeZoneInfo timeZone, int year, int month, int day, DayOfWeek dayOfWeek)
{
return(NextDayOfWeekOccurence(DateTimeOffsetUtilities.Create(timeZone, year, month, day), dayOfWeek));
}