This must be the explanation as it was near evening when the phenomenon occurred.
Rainbow Visibility
Refraction and reflection in a raindrop, producing a rainbow.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8243UYwY4ds4nGP-4O3k5H3A7gdp929b8RyTfxjIiZ44aL3BWnUUL0VQNETp_qgxQrUNT8OkISlLNymcslwP7rWFUzklUwEyJPiNQHhlhJtPfwx2fq4jkfs6HVuQbfJWRU7F2oG-i8eg/s400/Rainbow1.png)
Source: english wikipedia, original upload 01. Jan 2003 by en:User:DrBob
http://en.wikipedia.org/wiki/Rainbow
http://en.wikipedia.org/wiki/File:Rainbow1.png
Religion and mythology
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBTctm46bJDhaZOD2NpEBOTqXrKrrYJsCxY8m7zoPB8eYN552VyR0DUDnvv-r0HTSJIeBd5ppKTJxnQpAVwb5N_6jGBy_OlVWfPbcBzYGRFKZWR01xvafLhBLrWb7TKkid6prZ9JE9Nv4/s400/Joseph_Anton_Koch_006.jpg)
Picture: Noah's Thanks Offering (c.1803) by Joseph Anton Koch. Noah builds an altar to the Lord after being delivered from the Flood; God sends the rainbow as a sign of his covenant (Genesis 8-9).
http://en.wikipedia.org/wiki/Rainbow
http://upload.wikimedia.org/wikipedia/commons/f/f5/Joseph_Anton_Koch_006.jpg
Rainbow diagram showing the conventional arrangement of colours: Red Orange Yellow Green Blue and Violet. The colours shown do not necessarily correspond to actual wavelengths.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW5NPI3y7s8xpKgUCkxLTBp_gVFZaKjth-zZkc9JqhamJMZ1BKZydS2tP3haVHQBs090Q2agW6GHlzKuaOUsdtbGAkpaGkhsancNKqbRu4ab8jpCb5Xj6H8ja_kvzPWrGz4MkN361r2ow/s400/800px-Rainbow-diagram-ROYGBIV.svg.png)
A vectorized version of Rainbow-diagram-ROYGBIV.PNG
Source: http://en.wikipedia.org/wiki/Rainbow
http://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Rainbow-diagram-ROYGBIV.svg/800px-Rainbow-diagram-ROYGBIV.svg.png
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKTCgjqxU4v0gMBMNvts-ElU7kwvr6IvyEPLv17fbLLoUhP69zmvctpH0llEVxWLUD5vdHj20S0n0phlwcSI0AFYcN7rFoZEpRXN7y8Ndm-2xfqSwQBYx8kvluBO40htkpiMOLx1tJkoQ/s400/Pasir+Ris+Rainbow+-+resized.jpg)
Reference