diff --git a/server/src/cedar_server.rs b/server/src/cedar_server.rs
index 69763cc..49dea04 100644
--- a/server/src/cedar_server.rs
+++ b/server/src/cedar_server.rs
@@ -172,6 +172,7 @@ macro_rules! logged_status {
     }};
 }
 
+#[derive(Clone)]
 struct MyCedar {
     // We organize our state as a sub-object so update_operation_settings() can
     // spawn a sub-task for the SETUP -> OPERATE mode transition; the sub-task
@@ -1607,6 +1608,32 @@ impl Cedar for MyCedar {
 } // impl Cedar for MyCedar.
 
 impl MyCedar {
+    async fn move_to_operating_mode(&self) {
+        let (mode, utc_date) = {
+            let state = self.state.lock().await;
+            let date = state.telescope_position.lock().await.utc_date;
+            (state.operation_settings.operating_mode, date)
+        };
+        if mode.unwrap() != OperatingMode::Operate as i32 && utc_date.is_some()
+        {
+            info!("Moving to operate mode");
+            let fixed_settings = FixedSettings {
+                current_time: Some(utc_date.unwrap().into()),
+                ..Default::default()
+            };
+            let _ = self
+                .update_fixed_settings(tonic::Request::new(fixed_settings))
+                .await;
+            let settings = OperationSettings {
+                operating_mode: Some(OperatingMode::Operate as i32),
+                ..Default::default()
+            };
+            let _ = self
+                .update_operation_settings(tonic::Request::new(settings))
+                .await;
+        }
+    }
+
     fn get_demo_images() -> Result<Vec<String>, tonic::Status> {
         let dir = Path::new("./demo_images");
         if !dir.exists() {
@@ -4079,6 +4106,15 @@ async fn async_main(
     let use_lx200_bt =
         cedar.state.lock().await.preferences.lock().await.use_bluetooth;
 
+    let cedar_clone = cedar.clone();
+    let operate_callback = Box::new(move || {
+        tokio::task::block_in_place(|| {
+            tokio::runtime::Handle::current().block_on(async {
+                cedar_clone.move_to_operating_mode().await;
+            });
+        });
+    });
+
     let cedar_server = CedarServer::new(cedar);
 
     let grpc = tonic::transport::Server::builder()
@@ -4122,6 +4158,7 @@ async fn async_main(
                 let mut lx200_server_bt = create_lx200_server(
                     shared_telescope_position.clone(),
                     async_callback.clone(),
+                    operate_callback.clone(),
                     true,
                 );
                 Some(tokio::task::spawn(async move {
@@ -4136,6 +4173,7 @@ async fn async_main(
     let mut lx200_server = create_lx200_server(
         shared_telescope_position.clone(),
         async_callback.clone(),
+        operate_callback,
         false,
     );
     let _task_handle: tokio::task::JoinHandle<Result<(), tonic::Status>> =
diff --git a/server/src/lx200_server.rs b/server/src/lx200_server.rs
index 0c468ad..b7dbaa4 100644
--- a/server/src/lx200_server.rs
+++ b/server/src/lx200_server.rs
@@ -56,10 +56,15 @@ impl Lx200Telescope for Lx200WifiTelescope {
 impl Lx200WifiTelescope {
     pub fn new(
         telescope_position: Arc<tokio::sync::Mutex<TelescopePosition>>,
-        cb: Box<dyn Fn() + Send + Sync>,
+        get_ra_cb: Box<dyn Fn() + Send + Sync>,
+        set_date_cb: Box<dyn Fn() + Send + Sync>,
     ) -> Self {
         Lx200WifiTelescope {
-            controller: Lx200Controller::new(telescope_position, cb),
+            controller: Lx200Controller::new(
+                telescope_position,
+                get_ra_cb,
+                set_date_cb,
+            ),
         }
     }
 
@@ -145,10 +150,15 @@ impl Lx200Telescope for Lx200BtTelescope {
 impl Lx200BtTelescope {
     pub fn new(
         telescope_position: Arc<tokio::sync::Mutex<TelescopePosition>>,
-        cb: Box<dyn Fn() + Send + Sync>,
+        get_ra_cb: Box<dyn Fn() + Send + Sync>,
+        set_date_cb: Box<dyn Fn() + Send + Sync>,
     ) -> Self {
         Lx200BtTelescope {
-            controller: Lx200Controller::new(telescope_position, cb),
+            controller: Lx200Controller::new(
+                telescope_position,
+                get_ra_cb,
+                set_date_cb,
+            ),
         }
     }
 
@@ -198,7 +208,9 @@ struct Lx200Controller {
     wiggle_phase: bool,
 
     // Called whenever client obtains our right ascension
-    callback: Option<Callback>,
+    get_ra_callback: Option<Callback>,
+    // Called whenever client updates time/date
+    set_date_callback: Option<Callback>,
 
     // Pending target coordinates (in jnow_epoch) for sync/slew
     target_ra: Option<f64>,
@@ -228,7 +240,8 @@ struct Lx200Controller {
 impl Lx200Controller {
     pub fn new(
         telescope_position: Arc<tokio::sync::Mutex<TelescopePosition>>,
-        cb: Box<dyn Fn() + Send + Sync>,
+        get_ra_cb: Box<dyn Fn() + Send + Sync>,
+        set_date_cb: Box<dyn Fn() + Send + Sync>,
     ) -> Self {
         let dt = Local::now();
         let jnow = ((dt.year() as f64 + dt.ordinal0() as f64 / 365.0) * 10.0)
@@ -237,7 +250,8 @@ impl Lx200Controller {
         info!("Using now epoch: {}", jnow);
         Lx200Controller {
             telescope_position,
-            callback: Some(Callback(cb)),
+            get_ra_callback: Some(Callback(get_ra_cb)),
+            set_date_callback: Some(Callback(set_date_cb)),
             datetime: dt.with_timezone(dt.offset()),
             // Ideally these should be the current location in Cedar's settings
             latitude: "+00:00".to_string(),
@@ -291,7 +305,7 @@ impl Lx200Controller {
     }
 
     async fn get_ra(&self) -> String {
-        if let Some(ref cb) = self.callback {
+        if let Some(ref cb) = self.get_ra_callback {
             cb.0();
         }
         let mut locked_position = self.telescope_position.lock().await;
@@ -514,9 +528,11 @@ impl Lx200Controller {
                         * 10.0)
                         .round()
                         / 10.0;
-                    let mut locked_position =
-                        self.telescope_position.lock().await;
-                    locked_position.utc_date = Some(SystemTime::from(dt));
+                    self.telescope_position.lock().await.utc_date =
+                        Some(SystemTime::from(dt));
+                    if let Some(ref cb) = self.set_date_callback {
+                        cb.0();
+                    }
                     return "1Updating Planetary Data# #".to_string();
                 }
                 Err(e) => {
@@ -754,13 +770,22 @@ impl Lx200Controller {
 
 pub fn create_lx200_server(
     telescope_position: Arc<tokio::sync::Mutex<TelescopePosition>>,
-    cb: Box<dyn Fn() + Send + Sync>,
+    get_ra_cb: Box<dyn Fn() + Send + Sync>,
+    set_date_cb: Box<dyn Fn() + Send + Sync>,
     use_bluetooth: bool,
 ) -> Box<dyn Lx200Telescope + Send> {
     if use_bluetooth {
-        Box::new(Lx200BtTelescope::new(telescope_position, cb))
+        Box::new(Lx200BtTelescope::new(
+            telescope_position,
+            get_ra_cb,
+            set_date_cb,
+        ))
     } else {
-        Box::new(Lx200WifiTelescope::new(telescope_position, cb))
+        Box::new(Lx200WifiTelescope::new(
+            telescope_position,
+            get_ra_cb,
+            set_date_cb,
+        ))
     }
 }