Calendrical v0.1.2 Calendrical.Calendar.Gregorian View Source

Link to this section Summary

Functions

date_from_rata_die_days(gregorian_days)

Converts a rata die into a %Date{}

date_to_rata_die_days(year, month, day)

Converts a year, month and day into a rata die number of days

date_to_string(year, month, day)

Converts the date into a string according

datetime_to_string(year, month, day, hour, minute, second, microsecond, time_zone, zone_abbr, utc_offset, std_offset)

Converts the datetime (with time zone) into a string according to the calendar

day_of_week(year, month, day)

Calculates the day of the week from the given year, month, and day

day_rollover_relative_to_midnight_utc()

Define the rollover moment for the given calendar

days_in_month(year, month)

Returns how many days there are in the given year-month

gregorian_epoch()

leap_year?(year)

Returns true if the given year is a leap year

naive_datetime_from_rata_die(arg)

Converts t:rata_die to the Calendar’s datetime format

naive_datetime_to_rata_die(year, month, day, hour, minute, second, microsecond)

Converts the given datetime (with time zone) into the t:rata_die format

naive_datetime_to_string(year, month, day, hour, minute, second, microsecond)

Converts the datetime (without time zone) into a string according to the calendar

time_from_day_fraction(day_fraction)

Converts t:day_fraction to the Calendar’s time format

time_to_day_fraction(hour, minute, second, microsecond)

Converts the given time to the t:day_fraction format

time_to_string(hour, minute, second, microsecond)

Converts the time into a string according to the calendar

valid_date?(year, month, day)

Should return true if the given date describes a proper date in the calendar

valid_time?(hour, minute, second, microsecond)

Should return true if the given time describes a proper time in the calendar

year_from_gregorian_days(gregorian_days)

Link to this section Functions

date_from_rata_die_days(gregorian_days)

Converts a rata die into a %Date{}

date_to_rata_die_days(year, month, day)

Converts a year, month and day into a rata die number of days.

date_to_string(year, month, day)

Converts the date into a string according.

datetime_to_string(year, month, day, hour, minute, second, microsecond, time_zone, zone_abbr, utc_offset, std_offset)

Converts the datetime (with time zone) into a string according to the calendar.

day_of_week(year, month, day)

Calculates the day of the week from the given year, month, and day.

day_rollover_relative_to_midnight_utc()

Define the rollover moment for the given calendar.

Gregorian days start at midnight.

days_in_month(year, month)

Returns how many days there are in the given year-month.

This is the same as Calendar.ISO except that negative years are acceptable.

gregorian_epoch()

leap_year?(year)

Returns true if the given year is a leap year.

naive_datetime_from_rata_die(arg)

Converts t:rata_die to the Calendar’s datetime format.

naive_datetime_to_rata_die(year, month, day, hour, minute, second, microsecond)

Converts the given datetime (with time zone) into the t:rata_die format.

naive_datetime_to_string(year, month, day, hour, minute, second, microsecond)

Converts the datetime (without time zone) into a string according to the calendar.

time_from_day_fraction(day_fraction)

Converts t:day_fraction to the Calendar’s time format.

time_to_day_fraction(hour, minute, second, microsecond)

Converts the given time to the t:day_fraction format.

time_to_string(hour, minute, second, microsecond)

Converts the time into a string according to the calendar.

valid_date?(year, month, day)

Should return true if the given date describes a proper date in the calendar.

valid_time?(hour, minute, second, microsecond)

Should return true if the given time describes a proper time in the calendar.

year_from_gregorian_days(gregorian_days)