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:D: --> Real:D)

Returns the instant's time as a fraction of a 24-hour day.

say'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.