diff --git a/package.json b/package.json
index 4b390ba..055d1a8 100644
--- a/package.json
+++ b/package.json
@@ -29,8 +29,8 @@
                 "messageKeys": [
                         "BackgroundColor",
                         "ForegroundColor",
-                        "SecondTick",
-                        "Animations"
+                        "FastBegin",
+                        "FastEnd"
                 ],
                 "resources": {
                         "media": []
diff --git a/src/c/main.c b/src/c/main.c
new file mode 100644
index 0000000..3581947
--- /dev/null
+++ b/src/c/main.c
@@ -0,0 +1,147 @@
+#include "main.h"
+#include "message_keys.auto.h"
+#include <pebble.h>
+
+static Window *s_main_window;
+static TextLayer *s_time_layer;
+static TextLayer *s_date_layer;
+
+// A struct for our specific settings (see main.h)
+static ClaySettings settings;
+
+// Initialize the default settings
+static void prv_default_settings() {
+  settings.BackgroundColor = GColorBlack;
+  settings.ForegroundColor = GColorWhite;
+  settings.FastBegin = "12:00";
+  settings.FastEnd = "20:00";
+}
+
+// Read settings from persistent storage
+static void prv_load_settings() {
+  // Load the default settings
+  prv_default_settings();
+  // Read settings from persistent storage, if they exist
+  persist_read_data(SETTINGS_KEY, &settings, sizeof(settings));
+}
+
+// Save the settings to persistent storage
+static void prv_save_settings() {
+  persist_write_data(SETTINGS_KEY, &settings, sizeof(settings));
+  // Update the display based on new settings
+  update_time();
+}
+// Handle the response from AppMessage
+static void inbox_recieved_callback(DictionaryIterator *iter, void *context) {
+  // Background Color
+  Tuple *bg_color_t = dict_find(iter, MESSAGE_KEY_BackgroundColor);
+  if (bg_color_t) {
+    settings.BackgroundColor = GColorFromHEX(bg_color_t->value->int32);
+  }
+
+  // Foreground Color
+  Tuple *fg_color_t = dict_find(iter, MESSAGE_KEY_ForegroundColor);
+  if (fg_color_t) {
+    settings.ForegroundColor = GColorFromHEX(fg_color_t->value->int32);
+  }
+
+  // Second Tick
+  Tuple *fast_begin_t = dict_find(iter, MESSAGE_KEY_FastBegin);
+  if (fast_begin_t) {
+    settings.FastBegin = fast_begin_t->value->cstring;
+  }
+
+  // Animations
+  Tuple *fast_end_t = dict_find(iter, MESSAGE_KEY_FastEnd);
+  if (fast_end_t) {
+    settings.FastEnd = fast_end_t->value->cstring;
+
+    // Save the new settings to persistent storage
+    prv_save_settings();
+  }
+}
+
+static void update_time() {
+  // Get a tm structure
+  time_t temp = time(NULL);
+  struct tm *tick_time = localtime(&temp);
+
+  // Write the current hours and minutes into a buffer
+  static char s_time_buffer[8];
+  strftime(s_time_buffer, sizeof(s_time_buffer),
+           clock_is_24h_style() ? "%H:%M" : "%I:%M", tick_time);
+
+  // Display this time on the TextLayer
+  text_layer_set_text(s_time_layer, s_time_buffer);
+
+  // Write the current date into a buffer
+  static char s_date_buffer[16];
+  strftime(s_date_buffer, sizeof(s_date_buffer), "%a %b %d", tick_time);
+
+  // Display the date
+  text_layer_set_text(s_date_layer, s_date_buffer);
+}
+
+static void tick_handler(struct tm *tick_time, TimeUnits units_changed) {
+  update_time();
+}
+
+static void main_window_load(Window *window) {
+  Layer *window_layer = window_get_root_layer(window);
+  GRect bounds = layer_get_bounds(window_layer);
+
+  // Create the time TextLayer
+  s_time_layer =
+      text_layer_create(GRect(0, PBL_IF_ROUND_ELSE(58, 52), bounds.size.w, 50));
+  text_layer_set_background_color(s_time_layer, settings.BackgroundColor);
+  text_layer_set_text_color(s_time_layer, settings.ForegroundColor);
+  text_layer_set_font(s_time_layer,
+                      fonts_get_system_font(FONT_KEY_BITHAM_42_BOLD));
+  text_layer_set_text_alignment(s_time_layer, GTextAlignmentCenter);
+
+  // Add it as a child layer to the Window's root layer
+  layer_add_child(window_layer, text_layer_get_layer(s_time_layer));
+
+  // Create the date TextLayer
+  s_date_layer = text_layer_create(
+      GRect(0, PBL_IF_ROUND_ELSE(110, 104), bounds.size.w, 30));
+  text_layer_set_background_color(s_date_layer, settings.BackgroundColor);
+  text_layer_set_text_color(s_date_layer, settings.ForegroundColor);
+  text_layer_set_font(s_date_layer,
+                      fonts_get_system_font(FONT_KEY_GOTHIC_24_BOLD));
+  text_layer_set_text_alignment(s_date_layer, GTextAlignmentCenter);
+
+  // Add to Window
+  layer_add_child(window_layer, text_layer_get_layer(s_date_layer));
+}
+
+static void main_window_unload(Window *window) {
+  text_layer_destroy(s_date_layer);
+  text_layer_destroy(s_time_layer);
+}
+
+static void init() {
+  prv_load_settings();
+  app_message_register_inbox_received(inbox_recieved_callback);
+  app_message_open(128, 128);
+
+  s_main_window = window_create();
+  window_set_background_color(s_main_window, GColorBlack);
+
+  window_set_window_handlers(
+      s_main_window,
+      (WindowHandlers){.load = main_window_load, .unload = main_window_unload});
+
+  window_stack_push(s_main_window, true);
+
+  update_time();
+  tick_timer_service_subscribe(MINUTE_UNIT, tick_handler);
+}
+
+static void deinit() { window_destroy(s_main_window); }
+
+int main(void) {
+  init();
+  app_event_loop();
+  deinit();
+}
diff --git a/src/c/main.h b/src/c/main.h
new file mode 100644
index 0000000..c28adbb
--- /dev/null
+++ b/src/c/main.h
@@ -0,0 +1,25 @@
+#pragma once
+#include <pebble.h>
+
+#define SETTINGS_KEY 1
+
+// A structure containing our settings
+typedef struct ClaySettings {
+  GColor BackgroundColor;
+  GColor ForegroundColor;
+  char *FastBegin;
+  char *FastEnd;
+} __attribute__((__packed__)) ClaySettings;
+
+static void prv_default_settings();
+static void prv_load_settings();
+static void prv_save_settings();
+
+int main(void);
+static void inbox_recieved_callback(DictionaryIterator *iter, void *context);
+static void update_time();
+static void tick_handler(struct tm *tick_time, TimeUnits units_changed);
+static void main_window_load(Window *window);
+static void main_window_unload(Window *window);
+static void init();
+static void deinit();
diff --git a/src/pkjs/config.js b/src/pkjs/config.js
index 261c390..9968d08 100644
--- a/src/pkjs/config.js
+++ b/src/pkjs/config.js
@@ -33,20 +33,28 @@ module.exports = [
     "items": [
       {
         "type": "heading",
-        "defaultValue": "More Settings"
+        "defaultValue": "Fasting Period (24hr format)"
       },
       {
-        "type": "toggle",
-        "messageKey": "SecondTick",
-        "label": "Enable Seconds",
-        "defaultValue": false
+        "type": "input",
+        "messageKey": "FastBegin",
+        "label": "Time your fast begins",
+        "attributes": {
+          "placeholder": "12:00",
+          "limit": 5,
+          "type": "time",
+        }
       },
       {
-        "type": "toggle",
-        "messageKey": "Animations",
-        "label": "Enable Animations",
-        "defaultValue": false
-      }
+        "type": "input",
+        "messageKey": "FastEnd",
+        "label": "Time your fast ends",
+        "attributes": {
+          "placeholder": "20:00",
+          "limit": 5,
+          "type": "time",
+        }
+      },
     ]
   },
   {