Raku Documentation
method day-fraction
Documentation for method day-fraction assembled from the following types:
class DateTime
From DateTime
(DateTime) method day-fraction
Defined as:
method day-fraction(DateTime: --> Real)
Returns the instant's time as a fraction of a 24-hour day.
say DateTime.new('2021-12-24T12:23:00.43Z').day-fraction; # OUTPUT: «0.5159772»
Notice the day-fraction value is the same as the fractional part of the modified-julian-date for the same instant.