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holiday_defs_dk.go
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holiday_defs_dk.go
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// (c) 2014, 2017 Rick Arnold. Licensed under the BSD license (see LICENSE).
package cal
import "time"
// Holidays (official and traditional) in Denmark
// Reference https://da.wikipedia.org/wiki/Helligdag#Danske_helligdage
var (
DKNytaarsdag = NewYear
DKSkaertorsdag = NewHolidayFunc(calculateSkaertorsdag)
DKLangfredag = GoodFriday
DKPaaskedag = NewHolidayFunc(calculatePaaskedag)
DKAndenPaaskedag = EasterMonday
DKStoreBededag = NewHolidayFunc(calculateStoreBededag)
DKKristiHimmelfartsdag = NewHolidayFunc(calculateKristiHimmelfartsdag)
DKPinsedag = NewHolidayFunc(calculatePinsedag)
DKAndenPinsedag = NewHolidayFunc(calculateAndenPinsedag)
DKGrundlovsdag = NewHoliday(time.June, 5)
DKJuleaften = NewHoliday(time.December, 24)
DKJuledag = Christmas
DKAndenJuledag = Christmas2
DKNytaarsaften = NewHoliday(time.December, 31)
)
// AddDanishHolidays adds all Danish holidays to the Calendar
func AddDanishHolidays(c *Calendar) {
c.AddHoliday(
DKNytaarsdag,
DKSkaertorsdag,
DKLangfredag,
DKPaaskedag,
DKAndenPaaskedag,
DKStoreBededag,
DKKristiHimmelfartsdag,
DKPinsedag,
DKAndenPinsedag,
DKJuledag,
DKAndenJuledag,
)
}
// AddDanishTraditions adds Grundlovsdag (Constitution Day), Christmas
// Eve, and New Years Eve which are not official holidays.
func AddDanishTraditions(c *Calendar) {
c.AddHoliday(
DKGrundlovsdag,
DKJuleaften,
DKNytaarsaften,
)
}
func calculateSkaertorsdag(year int, loc *time.Location) (time.Month, int) {
easter := calculateEaster(year, loc)
em := easter.AddDate(0, 0, -3)
// 3 days before Easter Sunday
return em.Month(), em.Day()
}
func calculatePaaskedag(year int, loc *time.Location) (time.Month, int) {
easter := calculateEaster(year, loc)
return easter.Month(), easter.Day()
}
func calculateStoreBededag(year int, loc *time.Location) (time.Month, int) {
easter := calculateEaster(year, loc)
// 26 days after Easter Sunday
em := easter.AddDate(0, 0, +26)
return em.Month(), em.Day()
}
func calculateKristiHimmelfartsdag(year int, loc *time.Location) (time.Month, int) {
easter := calculateEaster(year, loc)
// 39 days after Easter Sunday
em := easter.AddDate(0, 0, +39)
return em.Month(), em.Day()
}
func calculatePinsedag(year int, loc *time.Location) (time.Month, int) {
easter := calculateEaster(year, loc)
// 49 days after Easter Sunday
em := easter.AddDate(0, 0, +49)
return em.Month(), em.Day()
}
func calculateAndenPinsedag(year int, loc *time.Location) (time.Month, int) {
easter := calculateEaster(year, loc)
// 50 days after Easter Sunday
em := easter.AddDate(0, 0, +50)
return em.Month(), em.Day()
}