Cldr.Calendar.Coptic (ex_cldr_calendars_coptic v0.3.0) View Source
Implementation of the Coptic calendar.
Link to this section Summary
Functions
Identifies that this calendar is month based.
Defines the CLDR calendar type for this calendar.
Returns a {year, month, day}
calculated from
the number of iso_days
.
Returns the number of days since the calendar
epoch for a given year-month-day
Calculates the day and era from the given year
, month
, and day
.
Calculates the day of the year from the given year
, month
, and day
.
Returns how many days there are in the given year-month.
Returns the number days in a a week.
Returns the number days in a given year.
Calculates the ISO week of the year from the given year
, month
, and day
.
It is an integer from 1 to 53.
Returns if the given year is a leap year.
Returns a Date.Range.t
representing
a given month of a year.
Calculates the month of the year from the given year
, month
, and day
.
It is an integer from 1 to 12.
Returns the number of months in a given year
.
Converts the Calendar.iso_days/0
format to the datetime format specified by this calendar.
Returns the Calendar.iso_days/0
format of the specified date.
Returns the number of periods in a given year
. A period
corresponds to a month in month-based calendars and
a week in week-based calendars..
Adds an increment
number of date_part
s
to a year-month-day
.
Returns a Date.Range.t
representing
a given quarter of a year.
Calculates the quarter of the year from the given year
, month
, and day
.
It is an integer from 1 to 4.
Determines if the date given is valid according to this calendar.
Returns a Date.Range.t
representing
a given week of a year.
Calculates the week of the year from the given year
, month
, and day
.
It is an integer from 1 to 53.
Calculates the week of the year from the given year
, month
, and day
.
It is an integer from 1 to 53.
Returns a Date.Range.t
representing
a given year.
Calculates the year and era from the given year
.
The ISO calendar has two eras: the current era which
starts in year 1 and is defined as era "1". And a
second era for those years less than 1 defined as
era "0".
Link to this section Types
Specs
day() :: 1..31
Specs
month() :: 1..12
Specs
year() :: -9999..-1 | 1..9999
Link to this section Functions
Identifies that this calendar is month based.
Defines the CLDR calendar type for this calendar.
This type is used in support of Cldr.Calendar. localize/3
.
Returns a {year, month, day}
calculated from
the number of iso_days
.
Returns the number of days since the calendar
epoch for a given year-month-day
Specs
day_of_era(year(), month(), day()) :: {day :: pos_integer(), era :: 0..1}
Calculates the day and era from the given year
, month
, and day
.
Specs
Calculates the day of the year from the given year
, month
, and day
.
Specs
Returns how many days there are in the given year-month.
Returns the number days in a a week.
Returns the number days in a given year.
Specs
Calculates the ISO week of the year from the given year
, month
, and day
.
It is an integer from 1 to 53.
Specs
Returns if the given year is a leap year.
Since this calendar is observational we calculate the start of successive years and then calcualate the difference in days to determine if its a leap year.
Returns a Date.Range.t
representing
a given month of a year.
Specs
Calculates the month of the year from the given year
, month
, and day
.
It is an integer from 1 to 12.
Returns the number of months in a given year
.
Specs
naive_datetime_from_iso_days(Calendar.iso_days()) :: {Calendar.year(), Calendar.month(), Calendar.day(), Calendar.hour(), Calendar.minute(), Calendar.second(), Calendar.microsecond()}
Converts the Calendar.iso_days/0
format to the datetime format specified by this calendar.
naive_datetime_to_iso_days(year, month, day, hour, minute, second, microsecond)
View SourceSpecs
naive_datetime_to_iso_days( Calendar.year(), Calendar.month(), Calendar.day(), Calendar.hour(), Calendar.minute(), Calendar.second(), Calendar.microsecond() ) :: Calendar.iso_days()
Returns the Calendar.iso_days/0
format of the specified date.
Returns the number of periods in a given year
. A period
corresponds to a month in month-based calendars and
a week in week-based calendars..
Adds an increment
number of date_part
s
to a year-month-day
.
date_part
can be :months
only.
Returns a Date.Range.t
representing
a given quarter of a year.
Specs
Calculates the quarter of the year from the given year
, month
, and day
.
It is an integer from 1 to 4.
Determines if the date given is valid according to this calendar.
Returns a Date.Range.t
representing
a given week of a year.
Specs
week_of_month(year(), month(), day()) :: {pos_integer(), pos_integer()} | {:error, :not_defined}
Calculates the week of the year from the given year
, month
, and day
.
It is an integer from 1 to 53.
Specs
Calculates the week of the year from the given year
, month
, and day
.
It is an integer from 1 to 53.
Returns a Date.Range.t
representing
a given year.
Specs
Calculates the year and era from the given year
.
The ISO calendar has two eras: the current era which
starts in year 1 and is defined as era "1". And a
second era for those years less than 1 defined as
era "0".