I have a small dancer application which serves up some HTML (including the javascript to call the google charts API) and for other URLs queries a database and returns the da
just to clarify: you should write the cell value as a string that looks like that: Date(year, month). for your example:
{"rows":[{"c":[{"v":"Date(year, month)"},{"v":"2095"}]}],"cols":[{"type":"datetime","label":"DTU"},{"type":"number","label":"COUNT"}]}
hope that helps, and correct for you as i'm using it in php and not perl