Chhut-ji̍t
Chhut-ji̍t (出日) he̍k-chiá ji̍t-chhut (日出) sī ji̍t-thâu ùi tang-hong ê tē-pêng-bīn ûn-ûn-á seng-khí ê kéng-siōng.
Goā-pō liân-kiat
siu-kái
- Full physical explanation of sky color, in simple terms
- An Excel workbook with VBA functions for sunrise, sunset, solar noon, twilight (dawn and dusk), and solar position (azimuth and elevation)
- Geolocation service to calculate the time of sunrise and sunset