diff --git a/src/DateUtils.ts b/src/DateUtils.ts
index e8b81ca315..c81099b893 100644
--- a/src/DateUtils.ts
+++ b/src/DateUtils.ts
@@ -136,6 +136,18 @@ export function formatCallTime(delta: Date): string {
     return output;
 }
 
+export function formatSeconds(inSeconds: number): string {
+    const hours = Math.floor(inSeconds / (60 * 60)).toFixed(0).padStart(2, '0');
+    const minutes = Math.floor((inSeconds % (60 * 60)) / 60).toFixed(0).padStart(2, '0');
+    const seconds = Math.floor(((inSeconds % (60 * 60)) % 60)).toFixed(0).padStart(2, '0');
+
+    let output = "";
+    if (hours !== "00") output += `${hours}:`;
+    output += `${minutes}:${seconds}`;
+
+    return output;
+}
+
 const MILLIS_IN_DAY = 86400000;
 export function wantsDateSeparator(prevEventDate: Date, nextEventDate: Date): boolean {
     if (!nextEventDate || !prevEventDate) {