diff --git a/templates/visualize.html b/templates/visualize.html
index 3fbb8d8..69770e4 100644
--- a/templates/visualize.html
+++ b/templates/visualize.html
@@ -53,6 +53,7 @@
                 // type: "quantitative",
                 type: "temporal",
                 //scale: { domain: [{{t.data[0][0]}}, {{t.data[-1][0]}}] },
+                timeUnit: "yearmonthdatehoursminutes",
               },
               y: { field: "v", type: "quantitative" },
             },