diff --git a/homeassistant/components/reolink/button.py b/homeassistant/components/reolink/button.py
index 8ea267cc500b..fb2d4dd2ba74 100644
--- a/homeassistant/components/reolink/button.py
+++ b/homeassistant/components/reolink/button.py
@@ -188,6 +188,14 @@ HOST_BUTTON_ENTITIES = (
         supported=lambda api: api.supported(None, "reboot"),
         method=lambda api: api.reboot(),
     ),
+    ReolinkHostButtonEntityDescription(
+        key="sync_time",
+        translation_key="sync_time",
+        entity_category=EntityCategory.CONFIG,
+        entity_registry_enabled_default=False,
+        supported=lambda api: api.supported(None, "sync_time"),
+        method=lambda api: api.baichuan.synchronize_time(),
+    ),
 )
 
 
diff --git a/homeassistant/components/reolink/icons.json b/homeassistant/components/reolink/icons.json
index efcf8aa7267d..8046c072454f 100644
--- a/homeassistant/components/reolink/icons.json
+++ b/homeassistant/components/reolink/icons.json
@@ -182,6 +182,9 @@
       },
       "ptz_zoom_out": {
         "default": "mdi:magnify"
+      },
+      "sync_time": {
+        "default": "mdi:clock-outline"
       }
     },
     "light": {
diff --git a/homeassistant/components/reolink/strings.json b/homeassistant/components/reolink/strings.json
index c5fa83c37f39..54213113ea44 100644
--- a/homeassistant/components/reolink/strings.json
+++ b/homeassistant/components/reolink/strings.json
@@ -244,6 +244,9 @@
       },
       "ptz_zoom_out": {
         "name": "PTZ zoom out"
+      },
+      "sync_time": {
+        "name": "Synchronize time"
       }
     },
     "camera": {
diff --git a/tests/components/reolink/snapshots/test_button.ambr b/tests/components/reolink/snapshots/test_button.ambr
index 4ce6df9b29b3..be44cf72fd9f 100644
--- a/tests/components/reolink/snapshots/test_button.ambr
+++ b/tests/components/reolink/snapshots/test_button.ambr
@@ -912,3 +912,53 @@
     'state': 'unknown',
   })
 # ---
+# name: test_all_entities[button.test_reolink_name_synchronize_time-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'button',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'button.test_reolink_name_synchronize_time',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Synchronize time',
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Synchronize time',
+    'platform': 'reolink',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'sync_time',
+    'unique_id': 'ABC1234567D89EFG_sync_time',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[button.test_reolink_name_synchronize_time-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      <EntityStateAttribute.FRIENDLY_NAME: 'friendly_name'>: 'test_reolink_name Synchronize time',
+    }),
+    'context': <ANY>,
+    'entity_id': 'button.test_reolink_name_synchronize_time',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'unknown',
+  })
+# ---