A starting point to consciousness.
360 zenith nadir
calculation of astronomical dawn and dusk are part of the structure of my day
azimuth | ˈazɪməθ |
the direction of a celestial object from the observer, expressed as the angular distance from the north or south point of the horizon to the point at which a vertical circle passing through the object intersects the horizon.
ORIGIN late Middle English (denoting the arc of a celestial circle from the zenith to the horizon): from Old French azimut, from Arabic as-samt, from al ‘the’ + samt ‘way, direction’.