diff --git a/common/data_source/config.py b/common/data_source/config.py
index 196d9ed3e..02684dbac 100644
--- a/common/data_source/config.py
+++ b/common/data_source/config.py
@@ -170,6 +170,10 @@ CONFLUENCE_TIMEZONE_OFFSET = float(
     os.environ.get("CONFLUENCE_TIMEZONE_OFFSET", get_current_tz_offset())
 )
 
+CONFLUENCE_SYNC_TIME_BUFFER_SECONDS = int(
+    os.environ.get("CONFLUENCE_SYNC_TIME_BUFFER_SECONDS", ONE_DAY)
+)
+
 GOOGLE_DRIVE_CONNECTOR_SIZE_THRESHOLD = int(
     os.environ.get("GOOGLE_DRIVE_CONNECTOR_SIZE_THRESHOLD", 10 * 1024 * 1024)
 )
diff --git a/common/data_source/confluence_connector.py b/common/data_source/confluence_connector.py
index 56cf7865a..aed16ad2b 100644
--- a/common/data_source/confluence_connector.py
+++ b/common/data_source/confluence_connector.py
@@ -20,6 +20,7 @@ from requests.exceptions import HTTPError
 
 from common.data_source.config import INDEX_BATCH_SIZE, DocumentSource, CONTINUE_ON_CONNECTOR_FAILURE, \
     CONFLUENCE_CONNECTOR_LABELS_TO_SKIP, CONFLUENCE_TIMEZONE_OFFSET, CONFLUENCE_CONNECTOR_USER_PROFILES_OVERRIDE, \
+    CONFLUENCE_SYNC_TIME_BUFFER_SECONDS, \
     OAUTH_CONFLUENCE_CLOUD_CLIENT_ID, OAUTH_CONFLUENCE_CLOUD_CLIENT_SECRET, _DEFAULT_PAGINATION_LIMIT, \
     _PROBLEMATIC_EXPANSIONS, _REPLACEMENT_EXPANSIONS, _USER_NOT_FOUND, _COMMENT_EXPANSION_FIELDS, \
     _ATTACHMENT_EXPANSION_FIELDS, _PAGE_EXPANSION_FIELDS, ONE_DAY, ONE_HOUR, _RESTRICTIONS_EXPANSION_FIELDS, \
@@ -1289,6 +1290,7 @@ class ConfluenceConnector(
         # pages.
         labels_to_skip: list[str] = CONFLUENCE_CONNECTOR_LABELS_TO_SKIP,
         timezone_offset: float = CONFLUENCE_TIMEZONE_OFFSET,
+        time_buffer_seconds: int = CONFLUENCE_SYNC_TIME_BUFFER_SECONDS,
         scoped_token: bool = False,
     ) -> None:
         self.wiki_base = wiki_base
@@ -1300,6 +1302,7 @@ class ConfluenceConnector(
         self.batch_size = batch_size
         self.labels_to_skip = labels_to_skip
         self.timezone_offset = timezone_offset
+        self.time_buffer_seconds = max(0, time_buffer_seconds)
         self.scoped_token = scoped_token
         self._confluence_client: OnyxConfluence | None = None
         self._low_timeout_confluence_client: OnyxConfluence | None = None
@@ -1356,6 +1359,24 @@ class ConfluenceConnector(
         logging.info(f"Setting allow_images to {value}.")
         self.allow_images = value
 
+    def _adjust_start_for_query(
+        self, start: SecondsSinceUnixEpoch | None
+    ) -> SecondsSinceUnixEpoch | None:
+        if not start or start <= 0:
+            return start
+        if self.time_buffer_seconds <= 0:
+            return start
+        return max(0.0, start - self.time_buffer_seconds)
+
+    def _is_newer_than_start(
+        self, doc_time: datetime | None, start: SecondsSinceUnixEpoch | None
+    ) -> bool:
+        if not start or start <= 0:
+            return True
+        if doc_time is None:
+            return True
+        return doc_time.timestamp() > start
+
     @property
     def confluence_client(self) -> OnyxConfluence:
         if self._confluence_client is None:
@@ -1414,9 +1435,10 @@ class ConfluenceConnector(
         """
         page_query = self.base_cql_page_query + self.cql_label_filter
         # Add time filters
-        if start:
+        query_start = self._adjust_start_for_query(start)
+        if query_start:
             formatted_start_time = datetime.fromtimestamp(
-                start, tz=self.timezone
+                query_start, tz=self.timezone
             ).strftime("%Y-%m-%d %H:%M")
             page_query += f" and lastmodified >= '{formatted_start_time}'"
         if end:
@@ -1436,10 +1458,12 @@ class ConfluenceConnector(
     ) -> str:
         attachment_query = f"type=attachment and container='{confluence_page_id}'"
         attachment_query += self.cql_label_filter
+
         # Add time filters to avoid reprocessing unchanged attachments during refresh
-        if start:
+        query_start = self._adjust_start_for_query(start)
+        if query_start:
             formatted_start_time = datetime.fromtimestamp(
-                start, tz=self.timezone
+                query_start, tz=self.timezone
             ).strftime("%Y-%m-%d %H:%M")
             attachment_query += f" and lastmodified >= '{formatted_start_time}'"
         if end:
@@ -1447,6 +1471,7 @@ class ConfluenceConnector(
                 "%Y-%m-%d %H:%M"
             )
             attachment_query += f" and lastmodified <= '{formatted_end_time}'"
+
         attachment_query += " order by lastmodified asc"
         return attachment_query
 
@@ -1668,7 +1693,8 @@ class ConfluenceConnector(
                     ),
                     primary_owners=primary_owners,
                 )
-                attachment_docs.append(attachment_doc)
+                if self._is_newer_than_start(attachment_doc.doc_updated_at, start):
+                    attachment_docs.append(attachment_doc)
             except Exception as e:
                 logging.error(
                     f"Failed to extract/summarize attachment {attachment['title']}",
@@ -1729,7 +1755,8 @@ class ConfluenceConnector(
                 continue
 
             # yield completed document (or failure)
-            yield doc_or_failure
+            if self._is_newer_than_start(doc_or_failure.doc_updated_at, start):
+                yield doc_or_failure
 
             # Now get attachments for that page:
             attachment_docs, attachment_failures = self._fetch_page_attachments(