30 September (alternatively 8 October) Saint Keyne's feast day
Keyne , article from Wikipedia     https://en.wikipedia.org/wiki/Keyne#:~:text=Saint%20Keyne's%20feast%20is%20celebrated,the%20River%20Kenwyn%20in%20Truro.

THE WELL OF ST KEYNE    https://www.youtube.com/watch?v=4e8GK2P51Z0