/// <summary>
/// Convert to <see cref="DailyAnswer"/>
/// </summary>
/// <param name="year"></param>
/// <returns></returns>
public override DailyAnswer ToDailyAnswer(int year)
{
var date = DateTimeFactory.OffsetByWeek(year, 7, 1, DayOfWeek.Monday).AddDays(1);
var builder = DailyAnswerBuilder.Create(Name, HolidayType).From(date);
if (Since.HasValue)
{
builder.Since(Since.Value);
}
if (End.HasValue)
{
builder.End(End.Value);
}
if (TimeStepValue.HasValue)
{
builder.Times(TimeStepValue.Value);
}
builder.Country(Country.ToCode(), GetRegionCodeList());
return(builder.I18N(I18NIdentityCode).Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var calculationDay = DateTimeFactory.Create(year, 9, 24);
if (calculationDay.DayOfWeek == DayOfWeek.Sunday)
{
calculationDay = DateTimeFactory.FindNextDay(calculationDay, DayOfWeek.Monday);
}
var builder = DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationDay);
if (Since.HasValue)
{
builder.Since(Since.Value);
}
if (End.HasValue)
{
builder.End(End.Value);
}
if (TimeStepValue.HasValue)
{
builder.Times(TimeStepValue.Value);
}
builder.Country(Country.ToCode(), GetRegionCodeList());
return(builder.I18N(I18NIdentityCode).Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
//算法一：根据元旦的农历时间算出其所在年份的十二月的最后一天（推荐）
//算法二：根据指定年的农历大年初一向前倒退一天
//推荐算法一的原因：
//元旦通常在农历新年前，因此不存在修正 ChineseYear 的情况
var date = ChineseDateInfo.Of(year, 1, 1);
var chineseMonth = date.ChineseMonth;
if (chineseMonth < 12)
{
//修正到农历十二月
var offset = 12 - chineseMonth;
date = date.AddMonths(offset);
}
var lastDay = date.GetDaysInMonth();
var finalDate = ChineseDateInfo.OfLunar(date.ChineseYear, 12, lastDay);
//农历十二月的最后一天，得到的是公历时间
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(finalDate.ToDateTime())
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(finalDate.ChineseYear));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
DateTime calculationDay;
if (year >= 2007 && year <= 2009)
{
calculationDay = DateTimeFactory.FindNextDay(year, 11, 1, DayOfWeek.Tuesday);
}
else
{
//2010+ first Monday of the September/October school holidays
//if coincides with Labour day, moves to 2nd Monday
var facDay = DateTimeFactory.FindNextDay(year, 9, 25, DayOfWeek.Monday);
if (facDay == DateTimeFactory.FindNextDay(year, 10, 1, DayOfWeek.Monday))
{
facDay = facDay.AddDays(7);
}
calculationDay = facDay;
}
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationDay)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var date = DateTimeFactory.Create(year, 9, 27);
if (date.IsLeapYear())
{
return(null);
}
var builder = DailyAnswerBuilder.Create(Name, HolidayType).From(date);
if (Since.HasValue)
{
builder.Since(Since.Value);
}
if (End.HasValue)
{
builder.End(End.Value);
}
if (TimeStepValue.HasValue)
{
builder.Times(TimeStepValue.Value);
}
builder.I18N(I18NIdentityCode);
builder.Country(Country.ToCode(), GetRegionCodeList());
return(builder.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
return(DailyAnswerBuilder.Create(Name, HolidayType)
.From(DateTimeFactory.FindLastDay(year, 5, DayOfWeek.Monday))
.I18N(I18NIdentityCode)
.Country(Country.ToCode(), GetRegionCodeList())
.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var calculationDay = DateTimeFactory.FindNextDay(year, 4, 19, DayOfWeek.Thursday);
var builder = DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationDay)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode);
return(builder.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var calculationDay = DateTimeFactory.Create(year, 2, 1);
calculationDay = OccurrenceHelper.FindOccurrenceOfDayOfWeek(calculationDay, DayOfWeek.Monday, 3);
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationDay)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var calculationDay = DateTimeFactory.Create(year, 5, 24);
while (calculationDay.DayOfWeek != DayOfWeek.Monday)
{
calculationDay = calculationDay.AddDays(-1);
}
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationDay)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var builder = DailyAnswerBuilder.Create(Name, HolidayType);
switch (year)
{
case 2016:
builder.From(2016, 8, 25);
break;
case 2017:
builder.From(2017, 8, 14);
break;
case 2018:
builder.From(2018, 9, 2);
break;
case 2020:
builder.From(2020, 8, 11);
break;
default:
builder.From(year, 8, 24);
break;
}
if (Since.HasValue)
{
builder.Since(Since.Value);
}
if (End.HasValue)
{
builder.End(End.Value);
}
if (TimeStepValue.HasValue)
{
builder.Times(TimeStepValue.Value);
}
builder.I18N(I18NIdentityCode);
builder.Country(Country.ToCode(), GetRegionCodeList());
return(builder.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var calculationDay = DateTimeFactory.Create(year, 1, 1);
//当元旦为周末时，使用 Region 定义器来定义
if (WeekendManager.GetWeekendDictionary(CountryCode.GB).IsWeekend(calculationDay))
{
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationDay)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
return(null);
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
if ((year - 2) % 6 == 0)
{
var date = DateTimeFactory.Create(year, 12, 1)
.Shift(saturday => saturday.AddDays(-1), sunday => sunday.AddDays(1));
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(date)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
return(null);
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var date = ChineseDateInfo.Of(year, 4, 1);
var date15 = date.AddDays(-15);
while (true)
{
if (date15.GetSolarTerm() == "春分")
{
break;
}
date = date.Tomorrow();
date15 = date15.Tomorrow();
}
return(DailyAnswerBuilder.Create(Name, HolidayType).From(date.ToDateTime()).I18N(I18NIdentityCode).Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
DateTime calculationTime;
if (year == 2012 || year >= 2016)
{
calculationTime = DateTimeFactory.FindNextDay(year, 10, 1, DayOfWeek.Monday);
}
else
{
calculationTime = DateTimeFactory.OffsetByWeek(year, 6, 2, DayOfWeek.Monday);
}
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationTime)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
DateTime calculationDay;
if (year == 2020)
{
//https://www.bbc.co.uk/news/uk-48565417
calculationDay = DateTimeFactory.FindDay(year, 5, DayOfWeek.Friday, 2);
}
else
{
calculationDay = DateTimeFactory.OffsetByWeek(year, 5, 2, DayOfWeek.Monday);
}
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(calculationDay)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
var caculationDate = DateTimeFactory.Create(year, 12, 26);
bool isSundayOrMonday =
caculationDate.DayOfWeek == DayOfWeek.Sunday ||
caculationDate.DayOfWeek == DayOfWeek.Monday;
caculationDate = caculationDate.Shift(saturday => saturday.AddDays(2), sunday => sunday.AddDays(1));
if (isSundayOrMonday)
{
caculationDate = caculationDate.AddDays(1);
}
return(DailyAnswerBuilder
.Create(Name, HolidayType)
.From(caculationDate)
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
/// <inheritdoc />
public override DailyAnswer ToDailyAnswer(int year)
{
if ((year - 1) % 4 == 0)
{
DailyAnswerBuilder builder;
if (year >= 1937)
{
builder = DailyAnswerBuilder.Create(Name, HolidayType).From(year, 1, 20);
}
else
{
builder = DailyAnswerBuilder.Create(Name, HolidayType).From(year, 3, 4);
}
return(builder
.Country(Country.ToCode(), GetRegionCodeList())
.I18N(I18NIdentityCode)
.Build(year));
}
return(null);
}