diff --git a/web/src/timerender.ts b/web/src/timerender.ts
index ce2e0781fe..037be40a60 100644
--- a/web/src/timerender.ts
+++ b/web/src/timerender.ts
@@ -423,6 +423,12 @@ export function get_full_time(timestamp: number): string {
     return formatISO(timestamp * 1000);
 }
 
+function get_current_time_to_hour(): Date {
+    const timestamp = new Date();
+    timestamp.setMinutes(0, 0);
+    return timestamp;
+}
+
 export function get_timestamp_for_flatpickr(timestring: string): Date {
     let timestamp;
     try {
@@ -432,8 +438,7 @@ export function get_timestamp_for_flatpickr(timestring: string): Date {
     } finally {
         // Otherwise, default to showing the current time to the hour.
         if (!timestamp || !isValid(timestamp)) {
-            timestamp = new Date();
-            timestamp.setMinutes(0, 0);
+            timestamp = get_current_time_to_hour();
         }
     }
     return timestamp;