The duration of each transition, in hours.
The hour of day (0–24) at which the phase transitions from 0 (day) to 1 (night).
The hour of day (0–24) at which the phase transitions from 1 (night) to 0 (day).
OptionalnowOptional time source. Called each time the phase is re-evaluated; if omitted, the current wall clock is used. Provide this to drive the phase from a playback timeline, a scrubber, or any synthetic clock.
The IANA time zone identifier (e.g. "Europe/London").
The colour transformation phase is driven by the time of day at a given IANA time zone.