The Aztec Xihuitl was similar to the Maya Haab, a 365-day Solar calendar without intercalation.
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virtual void | retranslate () Q_DECL_OVERRIDE |
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virtual void | setJD (double JD) Q_DECL_OVERRIDE |
| | Set a calendar date from the Julian day number.
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| virtual void | setDate (QVector< int > parts) Q_DECL_OVERRIDE |
| | set date from a vector of calendar date elements sorted from the largest to the smallest. More...
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| virtual QStringList | getDateStrings () const Q_DECL_OVERRIDE |
| | get a stringlist of calendar date elements sorted from the largest to the smallest. More...
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virtual QString | getFormattedDateString () const Q_DECL_OVERRIDE |
| | get a formatted complete string for a date
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virtual void | retranslate ()=0 |
| | Translate e.g. stringlists of part names.
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virtual void | setJD (double JD)=0 |
| | Set a calendar date from the Julian day number Subclasses set JD and compute the parts and possibly other data This triggers the partsChanged() signal.
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virtual double | getJD () const |
| | Get Julian day number from a calendar date.
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| virtual void | setDate (QVector< int > parts)=0 |
| | set date from a vector of calendar date elements sorted from the largest to the smallest. More...
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| virtual QVector< int > | getDate () const |
| | get a vector of calendar date elements sorted from the largest to the smallest. More...
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| virtual QStringList | getDateStrings () const =0 |
| | get a stringlist of calendar date elements sorted from the largest to the smallest. More...
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virtual QString | getFormattedDateString () const |
| | get a formatted complete string for a date. The default implementation just concatenates all strings from getDateStrings() with a space in between.
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static int | aztecXihuitlOrdinal (QVector< int > xihuitl) |
| | find number in sequence from a xihuitl date of {month[1...19], day[1...20]}
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static QVector< int > | aztecXihuitlFromFixed (int rd) |
| | get 2-part vector of xihuitl date from RD
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static int | aztecXihuitlOnOrBefore (QVector< int > xihuitl, int rd) |
| | find RD number of a Xihuitl date on or before rd.
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static int | aztecXihuitlTonalpohualliOnOrBefore (QVector< int >xihuitl, QVector< int >tonalpohualli, int rd) |
| | get RD of a combined date on or before rd. They repeat every 18980 days.
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| static double | momentFromJD (double jd, bool respectUTCoffset=true) |
| | Interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a "moment" in RD that represents JD. More...
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static int | fixedFromMoment (double rd) |
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static double | timeFromMoment (double rd) |
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| static int | fixedFromJD (double jd, bool respectUTCoffset=true) |
| | Interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a fixed date in RD that represents noon of JD. More...
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static double | momentFromMJD (double mjd) |
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| static double | jdFromMoment (double rd, bool respectUTCoffset=true) |
| | interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a JD from an RD "moment" (including fractions of day) Stellarium extension: optionally includes local time zone offset. More...
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| static double | jdFromFixed (double rd, bool respectUTCoffset=true) |
| | interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a JD from an RD "moment" (including fractions of day) Stellarium extension: optionally includes local time zone offset. More...
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static double | mjdFromFixed (double rd) |
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static int | dayOfWeekFromFixed (int rd) |
| | weekday from RD date. CC.UE(1.60).
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static int | kdayOnOrBefore (const Calendar::Day k, const int rd) |
| | @Returns the R.D. of the nearest weekday k on or before rd
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static int | kdayOnOrAfter (const Calendar::Day k, const int rd) |
| | @Returns the R.D. of the nearest weekday k on or after rd
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static int | kdayNearest (const Calendar::Day k, const int rd) |
| | @Returns the R.D. of the nearest weekday k around rd
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static int | kdayBefore (const Calendar::Day k, const int rd) |
| | @Returns the R.D. of the nearest weekday k before rd
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static int | kdayAfter (const Calendar::Day k, const int rd) |
| | @Returns the R.D. of the nearest weekday k after rd
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| static double | modInterval (double x, double a, double b) |
| | Interval modulus, CC.UE 1.24. More...
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static int | modInterval (int x, int a, int b) |
| | Interval modulus, CC.UE 1.24: This EXCLUDES the upper limit! Use StelUtils::amod(x, b) for CC's (x)mod[1..b].
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static int | rdCorrSum (QVector< int >parts, QVector< int >factors, int corr) |
| | Reingold-Dershowitz CC.UE 1.48.
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static QVector< int > | toRadix (int num, QVector< int >radix) |
| | Split integer to mixed-radix vector. Reingold-Dershowitz CC.UE 1.42.
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The major difference is that days are counted 1...20, not 0...19. Similar to the Egyptian calendar, after 18 months of 20 days there was a short "month" of 5 extra days (Nemontemi). Some communities place this month of "worthless" days elsewhere in the sequence, this cannot be mapped here. The implementation follows CC.
Public Slots inherited from Calendar
1.8.17