morningNauticalTwilight property
Twilight
morningNauticalTwilight
The morning nautical twilight.
The nautical twilight is when the centre of the Sun is between 6° and 12° below the sensible horizon. It may now be possible to discern the sea horizon and it is no longer dark for normal practical purposes.
Implementation
Twilight get morningNauticalTwilight => _morningNauticalTwilight ??= Twilight(
SunriseSunsetCalculator(instant, latitude, longitude,
sunZenithDistance: 102.0)
.calculateSunrise(),
SunriseSunsetCalculator(instant, latitude, longitude,
sunZenithDistance: 96.0)
.calculateSunrise(),
);