Start of morning civil twilight. The human eye can already read text with no extra light. For scheduling use: @SunCalc_Morning_Civil_Start Start of morning nautical twilight. The human eye can still spot constellation. For scheduling use: @SunCalc_Morning_Nautical_Start Start of morning astronomical twilight. The sky starts to lighten. For scheduling use: @SunCalc_Morning_Astronomical_Start Official end of night For scheduling use: @SunCalc_Morning_Night_End Start of Sunrise. First parts of the sun appear on the horizon. For scheduling use: @SunCalc_Morning_Sunrise_Start End of Sunset. The sun is fully below the horizon. For scheduling use: @SunCalc_Evening_Sunset_End End of Sunrise. The sun is fully above the horizon. For scheduling use: @SunCalc_Morning_Sunrise_End Start of Sunset. First parts of the sun disappear behind the horizon. For scheduling use: @SunCalc_Evening_Sunset_Start End of morning golden hour. Daylight is redder and softer compared to when the sun is higher in the sky. For scheduling use: @SunCalc_Morning_GoldenHour_End Start of evening golden hour. Daylight is redder and softer compared to when the sun is higher in the sky. For scheduling use: @SunCalc_Evening_GoldenHour_Start Noon. The sun is at its highest peak. For scheduling use: @SunCalc_Day_Noon Start of evening civil twilight. The human eye can still read text with no extra light. For scheduling use: @SunCalc_Evening_Civil_Start Start of evening nautical twilight. The human eye can already spot constellation. For scheduling use: @SunCalc_Evening_Nautical_Start Start of evening astronomical twilight. The sky turns dark. For scheduling use: @SunCalc_Evening_Astronomical_Start Official start of night For scheduling use: @SunCalc_Night_Start Percent of the Moon which is illuminated Waxing or waning moon phases The darkest time of the night