diff --git a/src/services/bookmarkHelpers.ts b/src/services/bookmarkHelpers.ts
index a433c1dc..187ea46f 100644
--- a/src/services/bookmarkHelpers.ts
+++ b/src/services/bookmarkHelpers.ts
@@ -60,7 +60,7 @@ export const processApplesauceBookmarks = (
     return allItems.map((bookmark: BookmarkData) => ({
       id: bookmark.id || `${isPrivate ? 'private' : 'public'}-${Date.now()}`,
       content: bookmark.content || '',
-      created_at: bookmark.created_at || Date.now(),
+      created_at: bookmark.created_at || Math.floor(Date.now() / 1000),
       pubkey: activeAccount.pubkey,
       kind: bookmark.kind || 30001,
       tags: bookmark.tags || [],
@@ -74,7 +74,7 @@ export const processApplesauceBookmarks = (
   return bookmarkArray.map((bookmark: BookmarkData) => ({
     id: bookmark.id || `${isPrivate ? 'private' : 'public'}-${Date.now()}`,
     content: bookmark.content || '',
-    created_at: bookmark.created_at || Date.now(),
+    created_at: bookmark.created_at || Math.floor(Date.now() / 1000),
     pubkey: activeAccount.pubkey,
     kind: bookmark.kind || 30001,
     tags: bookmark.tags || [],
diff --git a/src/services/bookmarkService.ts b/src/services/bookmarkService.ts
index 7492a53a..b6a09f87 100644
--- a/src/services/bookmarkService.ts
+++ b/src/services/bookmarkService.ts
@@ -120,7 +120,7 @@ export const fetchBookmarks = async (
       title: `Bookmarks (${sortedBookmarks.length})`,
       url: '',
       content: latestContent,
-      created_at: newestCreatedAt || Date.now(),
+      created_at: newestCreatedAt || Math.floor(Date.now() / 1000),
       tags: allTags,
       bookmarkCount: sortedBookmarks.length,
       eventReferences: allTags.filter((tag: string[]) => tag[0] === 'e').map((tag: string[]) => tag[1]),