ordinal: false ensures that any gaps are properly rendered...

root/js/solardash.base.js

@@ -113,7 +113,8 @@ var solarchart = Highcharts.stockChart('solarchart', {
 		type: "datetime",
 		title: {
 			enabled: false
-		}
+		},
+		ordinal: false,
 	},
 	yAxis: {
 		title: {
@@ -139,7 +140,7 @@ var solarchart = Highcharts.stockChart('solarchart', {
 		{
 			name: 'grid',
 			type: 'area',
-			gapSize: 1,
+			//gapSize: 0,
 			//gapUnit: 'value',
 			data: [ ],
 		},