Date.day_of_era
You're seeing just the function
day_of_era
, go back to Date module for more information.
Specs
day_of_era(Calendar.date()) :: {Calendar.day(), non_neg_integer()}
Calculates the day-of-era and era for a given
calendar date
.
Returns a tuple {day, era}
representing the
day within the era and the era number.
Examples
iex> Date.day_of_era(~D[0001-01-01])
{1, 1}
iex> Date.day_of_era(~D[0000-12-31])
{1, 0}