Time of day as represented in hour, minute and second (with picoseconds), typically used to express local time of day.
Get the fraction of a day since midnight given a TimeOfDay.
Find out how much time since midnight a given TimeOfDay is.
Get a TimeOfDay given the fraction of a day since midnight.
Convert a ToD in some timezone to a ToD in UTC, together with a day adjustment.
Get a TimeOfDay given a time since midnight. Time more than 24h will be converted to leap-seconds.
Convert a ToD in UTC to a ToD in some timezone, together with a day adjustment.