diff --git a/web/src/timerender.ts b/web/src/timerender.ts
index c4e5336552..0d265d422c 100644
--- a/web/src/timerender.ts
+++ b/web/src/timerender.ts
@@ -536,7 +536,7 @@ export function get_time_limit_setting_in_appropriate_unit(
 
 export function should_display_profile_incomplete_alert(timestamp: number): boolean {
     const today = new Date(Date.now());
-    const time = new Date(timestamp);
+    const time = new Date(timestamp * 1000);
     const days_old = difference_in_calendar_days(today, time, display_time_zone);
 
     if (days_old >= 15) {
diff --git a/web/tests/timerender.test.js b/web/tests/timerender.test.js
index c5a95e682d..a04c0d52b1 100644
--- a/web/tests/timerender.test.js
+++ b/web/tests/timerender.test.js
@@ -631,14 +631,14 @@ run_test("set_full_datetime", () => {
 
 run_test("should_display_profile_incomplete_alert", () => {
     // Organization created < 15 days ago
-    let realm_date_created = new Date();
-    realm_date_created.setDate(realm_date_created.getDate() - 5);
-
-    assert.equal(timerender.should_display_profile_incomplete_alert(realm_date_created), false);
+    let realm_date_created_secs = Date.now() / 1000;
+    assert.equal(
+        timerender.should_display_profile_incomplete_alert(realm_date_created_secs),
+        false,
+    );
 
     // Organization created > 15 days ago
-    realm_date_created = new Date();
-    realm_date_created.setDate(realm_date_created.getDate() - 15);
+    realm_date_created_secs -= 16 * 86400;
 
-    assert.equal(timerender.should_display_profile_incomplete_alert(realm_date_created), true);
+    assert.equal(timerender.should_display_profile_incomplete_alert(realm_date_created_secs), true);
 });