diff --git a/src/lib/charts.ts b/src/lib/charts.ts
index 957d4962..3eab7562 100644
--- a/src/lib/charts.ts
+++ b/src/lib/charts.ts
@@ -11,7 +11,7 @@ export function renderDateLabels(unit: string, locale: string) {
 
     switch (unit) {
       case 'minute':
-        return formatDate(d, 'p', locale).split(' ')[0];
+        return formatDate(d, 'h:mm', locale).split(' ')[0];
       case 'hour':
         return formatDate(d, 'p', locale);
       case 'day':