Class ilib.Cal.Gregorian
Construct a new Gregorian calendar object. This class encodes information about a Gregorian calendar.
Depends directive: !depends gregorian.js
Defined in: ilib-dyn-full.js.
| Constructor Attributes | Constructor Name and Description |
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| Method Attributes | Method Name and Description |
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getMonLength(month, year)
Return the number of days in a particular month in a particular year.
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getNumMonths(year)
Return the number of months in the given year.
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getType()
Return the type of this calendar.
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isLeapYear(year)
Return true if the given year is a leap year in the Gregorian calendar.
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newDateInstance(options)
Return a date instance for this calendar type using the given
options.
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Method Detail
{number}
getMonLength(month, year)
Return the number of days in a particular month in a particular year. This function
can return a different number for a month depending on the year because of things
like leap years.
- Parameters:
- {number} month
- the month for which the length is sought
- {number} year
- the year within which that month can be found
- Returns:
- {number} the number of days within the given month in the given year
{number}
getNumMonths(year)
Return the number of months in the given year. The number of months in a year varies
for some luni-solar calendars because in some years, an extra month is needed to extend the
days in a year to an entire solar year. The month is represented as a 1-based number
where 1=first month, 2=second month, etc.
- Parameters:
- {number} year
- a year for which the number of months is sought
- Returns:
- {number} The number of months in the given year
{string}
getType()
Return the type of this calendar.
- Returns:
- {string} the name of the type of this calendar
{boolean}
isLeapYear(year)
Return true if the given year is a leap year in the Gregorian calendar.
The year parameter may be given as a number, or as a GregDate object.
- Parameters:
- {number|ilib.Date.GregDate} year
- the year for which the leap year information is being sought
- Returns:
- {boolean} true if the given year is a leap year
{ilib.Date}
newDateInstance(options)
Return a date instance for this calendar type using the given
options.
- Parameters:
- {Object} options
- options controlling the construction of the date instance
- Returns:
- {ilib.Date} a date appropriate for this calendar type