diff --git a/web/src/components/timeline/EventReviewTimeline.tsx b/web/src/components/timeline/EventReviewTimeline.tsx
index 4b6735093..73d5fae10 100644
--- a/web/src/components/timeline/EventReviewTimeline.tsx
+++ b/web/src/components/timeline/EventReviewTimeline.tsx
@@ -15,7 +15,7 @@ export type EventReviewTimelineProps = {
   segmentDuration: number;
   timestampSpread: number;
   timelineStart: number;
-  timelineDuration?: number;
+  timelineEnd: number;
   showHandlebar?: boolean;
   handlebarTime?: number;
   showMinimap?: boolean;
@@ -30,7 +30,7 @@ export function EventReviewTimeline({
   segmentDuration,
   timestampSpread,
   timelineStart,
-  timelineDuration = 24 * 60 * 60,
+  timelineEnd,
   showHandlebar = false,
   handlebarTime,
   showMinimap = false,
@@ -46,6 +46,10 @@ export function EventReviewTimeline({
   const timelineRef = useRef<HTMLDivElement>(null);
   const currentTimeRef = useRef<HTMLDivElement>(null);
   const observer = useRef<ResizeObserver | null>(null);
+  const timelineDuration = useMemo(
+    () => timelineEnd - timelineStart,
+    [timelineEnd, timelineStart]
+  );
 
   const { alignDateToTimeline } = useEventUtils(events, segmentDuration);
 
diff --git a/web/src/pages/UIPlayground.tsx b/web/src/pages/UIPlayground.tsx
index 42b4e88f7..68c44ab14 100644
--- a/web/src/pages/UIPlayground.tsx
+++ b/web/src/pages/UIPlayground.tsx
@@ -188,7 +188,7 @@ function UIPlayground() {
             segmentDuration={60} // seconds per segment
             timestampSpread={15} // minutes between each major timestamp
             timelineStart={Math.floor(Date.now() / 1000)} // start of the timeline - all times are numeric, not Date objects
-            timelineDuration={24 * 60 * 60} // in minutes, defaults to 24 hours
+            timelineEnd={Math.floor(Date.now() / 1000) + 2 * 60 * 60} // end of timeline - timestamp
             showHandlebar // show / hide the handlebar
             handlebarTime={Math.floor(Date.now() / 1000) - 27 * 60} // set the time of the handlebar
             showMinimap // show / hide the minimap