diff --git a/apps/calendar/ChangeLog b/apps/calendar/ChangeLog
index 12776867f..6edb54f65 100644
--- a/apps/calendar/ChangeLog
+++ b/apps/calendar/ChangeLog
@@ -15,3 +15,5 @@
       Display events for current month on touch
 0.14: Add support for holidays
 0.15: Edit holidays on device in settings
+0.16: Add menu to fast open settings to edit holidays
+      Display Widgets in menus
diff --git a/apps/calendar/README.md b/apps/calendar/README.md
index 5f90d0d52..7fa7bea1c 100644
--- a/apps/calendar/README.md
+++ b/apps/calendar/README.md
@@ -1,6 +1,6 @@
 # Calendar
 
-Basic calendar
+Monthly calendar, displays holidays uploaded from the web interface and scheduled events.
 
 ## Usage
 
@@ -14,4 +14,4 @@ Basic calendar
 
 ## Settings
 
-- B2 Colors: use non-dithering colors (default, recommended for Bangle 2) or the original color scheme.
+B2 Colors: use non-dithering colors (default, recommended for Bangle 2) or the original color scheme.
diff --git a/apps/calendar/calendar.js b/apps/calendar/calendar.js
index 0ae852d83..7477775ca 100644
--- a/apps/calendar/calendar.js
+++ b/apps/calendar/calendar.js
@@ -1,3 +1,4 @@
+{
 const maxX = g.getWidth();
 const maxY = g.getHeight();
 const fontSize = g.getWidth() > 200 ? 2 : 1;
@@ -17,71 +18,85 @@ const red = "#d41706";
 const blue = "#0000ff";
 const yellow = "#ffff00";
 const cyan = "#00ffff";
-let bgColor = color4;
-let bgColorMonth = color1;
-let bgColorDow = color2;
-let bgColorWeekend = color3;
-let fgOtherMonth = gray1;
-let fgSameMonth = white;
-let bgEvent = blue;
-let bgOtherEvent = "#ff8800";
+let bgColor;
+let bgColorMonth;
+let bgColorDow;
+let bgColorWeekend;
+let fgOtherMonth;
+let fgSameMonth;
+let bgEvent;
+let bgOtherEvent;
 const eventsPerDay=6; // how much different events per day we can display
 const date = new Date();
 
 const timeutils = require("time_utils");
-let settings = require('Storage').readJSON("calendar.json", true) || {};
 let startOnSun = ((require("Storage").readJSON("setting.json", true) || {}).firstDayOfWeek || 0) === 0;
- // all alarms that run on a specific date
-const events = (require("Storage").readJSON("sched.json",1) || []).filter(a => a.on && a.date).map(a => {
-  const date = new Date(a.date);
-  const time = timeutils.decodeTime(a.t);
-  date.setHours(time.h);
-  date.setMinutes(time.m);
-  date.setSeconds(time.s);
-  return {date: date, msg: a.msg, type: "e"};
-});
-// add holidays & other events
-(require("Storage").readJSON("calendar.days.json",1) || []).forEach(d => {
-  const date = new Date(d.date);
-  const o = {date: date, msg: d.name, type: d.type};
-  if (d.repeat) {
-    o.repeat = d.repeat;
-  }
-  events.push(o);
-});
-
-if (settings.ndColors === undefined) {
-  settings.ndColors = !g.theme.dark;
-}
-
-if (settings.ndColors === true) {
-  bgColor = white;
-  bgColorMonth = blue;
-  bgColorDow = black;
-  bgColorWeekend = yellow;
-  fgOtherMonth = blue;
-  fgSameMonth = black;
-  bgEvent = color2;
-  bgOtherEvent = cyan;
-}
-
-function getDowLbls(locale) {
-  let days = startOnSun ? [0, 1, 2, 3, 4, 5, 6] : [1, 2, 3, 4, 5, 6, 0];
+let events;
+const dowLbls = function() {
+  const locale = require('locale').name;
+  const days = startOnSun ? [0, 1, 2, 3, 4, 5, 6] : [1, 2, 3, 4, 5, 6, 0];
   const d = new Date();
   return days.map(i => {
     d.setDate(d.getDate() + (i + 7 - d.getDay()) % 7);
     return require("locale").dow(d, 1);
   });
-}
+}();
 
-function sameDay(d1, d2) {
+const loadEvents = () => {
+  // all alarms that run on a specific date
+  events = (require("Storage").readJSON("sched.json",1) || []).filter(a => a.on && a.date).map(a => {
+    const date = new Date(a.date);
+    const time = timeutils.decodeTime(a.t);
+    date.setHours(time.h);
+    date.setMinutes(time.m);
+    date.setSeconds(time.s);
+    return {date: date, msg: a.msg, type: "e"};
+  });
+  // add holidays & other events
+  (require("Storage").readJSON("calendar.days.json",1) || []).forEach(d => {
+    const date = new Date(d.date);
+    const o = {date: date, msg: d.name, type: d.type};
+    if (d.repeat) {
+      o.repeat = d.repeat;
+    }
+    events.push(o);
+  });
+};
+
+const loadSettings = () => {
+  let settings = require('Storage').readJSON("calendar.json", true) || {};
+  if (settings.ndColors === undefined) {
+    settings.ndColors = !g.theme.dark;
+  }
+  if (settings.ndColors === true) {
+    bgColor = white;
+    bgColorMonth = blue;
+    bgColorDow = black;
+    bgColorWeekend = yellow;
+    fgOtherMonth = blue;
+    fgSameMonth = black;
+    bgEvent = color2;
+    bgOtherEvent = cyan;
+  } else {
+    bgColor = color4;
+    bgColorMonth = color1;
+    bgColorDow = color2;
+    bgColorWeekend = color3;
+    fgOtherMonth = gray1;
+    fgSameMonth = white;
+    bgEvent = blue;
+    bgOtherEvent = "#ff8800";
+  }
+};
+
+const sameDay = function(d1, d2) {
   "jit";
   return d1.getFullYear() === d2.getFullYear() &&
     d1.getMonth() === d2.getMonth() &&
     d1.getDate() === d2.getDate();
-}
+};
 
-function drawEvent(ev, curDay, x1, y1, x2, y2) {
+const drawEvent = function(ev, curDay, x1, y1, x2, y2) {
   "ram";
   switch(ev.type) {
     case "e": // alarm/event
@@ -99,9 +114,33 @@ function drawEvent(ev, curDay, x1, y1, x2, y2) {
       g.setColor(bgOtherEvent).fillRect(x1+1, y1+1, x2-1, y2-1);
       break;
   }
-}
+};
 
-function drawCalendar(date) {
+const calcDays = (month, monthMaxDayMap, dowNorm) => {
+  "jit";
+  const maxDay = colN * (rowN - 1) + 1;
+  const days = [];
+  let nextMonthDay = 1;
+  let thisMonthDay = 51;
+  const month2 = month;
+  let prevMonthDay = monthMaxDayMap[month > 0 ? month - 1 : 11] - dowNorm + 1;
+
+  for (let i = 0; i < maxDay; i++) {
+    if (i < dowNorm) {
+      days.push(prevMonthDay);
+      prevMonthDay++;
+    } else if (thisMonthDay <= monthMaxDayMap[month] + 50) {
+      days.push(thisMonthDay);
+      thisMonthDay++;
+    } else {
+      days.push(nextMonthDay);
+      nextMonthDay++;
+    }
+  }
+  return days;
+};
+
+const drawCalendar = function(date) {
   g.setBgColor(bgColor);
   g.clearRect(0, 0, maxX, maxY);
   g.setBgColor(bgColorMonth);
@@ -139,7 +178,6 @@ function drawCalendar(date) {
     true
   );
 
-  let dowLbls = getDowLbls(require('locale').name);
   dowLbls.forEach((lbl, i) => {
     g.drawString(lbl, i * colW + colW / 2, headerH + rowH / 2);
   });
@@ -163,23 +201,7 @@ function drawCalendar(date) {
     11: 31
   };
 
-  let days = [];
-  let nextMonthDay = 1;
-  let thisMonthDay = 51;
-  let prevMonthDay = monthMaxDayMap[month > 0 ? month - 1 : 11] - dowNorm + 1;
-  for (let i = 0; i < colN * (rowN - 1) + 1; i++) {
-    if (i < dowNorm) {
-      days.push(prevMonthDay);
-      prevMonthDay++;
-    } else if (thisMonthDay <= monthMaxDayMap[month] + 50) {
-      days.push(thisMonthDay);
-      thisMonthDay++;
-    } else {
-      days.push(nextMonthDay);
-      nextMonthDay++;
-    }
-  }
-
+  const days = calcDays(month, monthMaxDayMap, dowNorm);
   const weekBeforeMonth = new Date(date.getTime());
   weekBeforeMonth.setDate(weekBeforeMonth.getDate() - 7);
   const week2AfterMonth = new Date(date.getFullYear(), date.getMonth()+1, 0);
@@ -189,8 +211,15 @@ function drawCalendar(date) {
       ev.date.setFullYear(ev.date.getMonth() < 6 ? week2AfterMonth.getFullYear() : weekBeforeMonth.getFullYear());
     }
   });
-  const eventsThisMonth = events.filter(ev => ev.date > weekBeforeMonth && ev.date < week2AfterMonth);
-  eventsThisMonth.sort((a,b) => a.date - b.date);
+
+  const eventsThisMonthPerDay = events.filter(ev => ev.date > weekBeforeMonth && ev.date < week2AfterMonth).reduce((acc, ev) => {
+    const day = ev.date.getDate();
+    if (!acc[day]) {
+      acc[day] = [];
+    }
+    acc[day].push(ev);
+    return acc;
+  }, []);
   let i = 0;
   g.setFont("8x12", fontSize);
   for (y = 0; y < rowN - 1; y++) {
@@ -205,13 +234,13 @@ function drawCalendar(date) {
       const x2 = x * colW + colW;
       const y2 = y * rowH + headerH + rowH + rowH;
 
-      if (eventsThisMonth.length > 0) {
+      const eventsThisDay = eventsThisMonthPerDay[curDay.getDate()];
+      if (eventsThisDay && eventsThisDay.length > 0) {
         // Display events for this day
-        eventsThisMonth.forEach((ev, idx) => {
+        eventsThisDay.forEach((ev, idx) => {
           if (sameDay(ev.date, curDay)) {
             drawEvent(ev, curDay, x1, y1, x2, y2);
-
-            eventsThisMonth.splice(idx, 1); // this event is no longer needed
+            eventsThisDay.splice(idx, 1); // this event is no longer needed
           }
         });
       }
@@ -235,9 +264,44 @@ function drawCalendar(date) {
       );
     } // end for (x = 0; x < colN; x++)
   } // end for (y = 0; y < rowN - 1; y++)
-} // end function drawCalendar
+}; // end function drawCalendar
+
+const showMenu = function() {
+  const menu = {
+    "" : {
+      title : "Calendar",
+      remove: () => {
+        require("widget_utils").show();
+      }
+    },
+    "< Back": () => {
+      require("widget_utils").hide();
+      E.showMenu();
+      setUI();
+    },
+    /*LANG*/"Exit": () => load(),
+    /*LANG*/"Settings": () => {
+      const appSettings = eval(require('Storage').read('calendar.settings.js'));
+      appSettings(() => {
+        loadSettings();
+        loadEvents();
+        showMenu();
+      });
+    },
+  };
+  if (require("Storage").read("alarm.app.js")) {
+    menu[/*LANG*/"Launch Alarms"] = () => {
+      load("alarm.app.js");
+    };
+  }
+  require("widget_utils").show();
+  E.showMenu(menu);
+};
+
+const setUI = function() {
+  require("widget_utils").hide(); // No space for widgets!
+  drawCalendar(date);
 
-function setUI() {
   Bangle.setUI({
     mode : "custom",
     swipe: (dirLR, dirUD) => {
@@ -261,7 +325,14 @@ function setUI() {
         drawCalendar(date);
       }
     },
-    btn: (n) => n === (process.env.HWVERSION === 2 ? 1 : 3) && load(),
+    btn: (n) => {
+      if (process.env.HWVERSION === 2 || n === 2) {
+        showMenu();
+      } else if (n === 3) {
+        // directly exit only on Bangle.js 1
+        load();
+      }
+    },
     touch: (n,e) => {
       events.sort((a,b) => a.date - b.date);
       const menu = events.filter(ev => ev.date.getFullYear() === date.getFullYear() && ev.date.getMonth() === date.getMonth()).map(e => {
@@ -274,16 +345,19 @@ function setUI() {
       }
       menu[""] = { title: require("locale").month(date) + " " + date.getFullYear() };
       menu["< Back"] = () => {
+        require("widget_utils").hide();
         E.showMenu();
-        drawCalendar(date);
         setUI();
       };
+      require("widget_utils").show();
       E.showMenu(menu);
     }
   });
-}
+};
 
+loadSettings();
+loadEvents();
+Bangle.loadWidgets();
 require("Font8x12").add(Graphics);
-drawCalendar(date);
 setUI();
-// No space for widgets!
+}
diff --git a/apps/calendar/metadata.json b/apps/calendar/metadata.json
index bd35c8879..e263efe35 100644
--- a/apps/calendar/metadata.json
+++ b/apps/calendar/metadata.json
@@ -1,8 +1,8 @@
 {
   "id": "calendar",
   "name": "Calendar",
-  "version": "0.15",
-  "description": "Simple calendar",
+  "version": "0.16",
+  "description": "Monthly calendar, displays holidays uploaded from the web interface and scheduled events.",
   "icon": "calendar.png",
   "screenshots": [{"url":"screenshot_calendar.png"}],
   "tags": "calendar,tool",
diff --git a/apps/calendar/settings.js b/apps/calendar/settings.js
index de731c632..50beed8c0 100644
--- a/apps/calendar/settings.js
+++ b/apps/calendar/settings.js
@@ -1,13 +1,14 @@
 (function (back) {
-  var FILE = "calendar.json";
+  const FILE = "calendar.json";
   const HOLIDAY_FILE = "calendar.days.json";
-  var settings = require('Storage').readJSON(FILE, 1) || {};
-  if (settings.ndColors === undefined)
+  const settings = require('Storage').readJSON(FILE, true) || {};
+  if (settings.ndColors === undefined) {
     if (process.env.HWVERSION == 2) {
       settings.ndColors = true;
     } else {
       settings.ndColors = false;
     }
+  }
   const holidays = (require("Storage").readJSON(HOLIDAY_FILE,1)||[]).sort((a,b) => new Date(a.date) - new Date(b.date)) || [];
 
   function writeSettings() {