From bb2e54be8dbca91b92b575fc7956c910e92bea88 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Sat, 8 Feb 2025 00:21:05 +0100
Subject: [PATCH 01/14] twenties: refactor to use sched library

---
 apps/twenties/ChangeLog     |  1 +
 apps/twenties/boot.js       | 37 +++++-------------------------
 apps/twenties/lib.js        | 45 +++++++++++++++++++++++++++++++++++++
 apps/twenties/metadata.json |  7 ++++--
 4 files changed, 57 insertions(+), 33 deletions(-)
 create mode 100644 apps/twenties/lib.js

diff --git a/apps/twenties/ChangeLog b/apps/twenties/ChangeLog
index 3381ef6a9f..fc8759718c 100644
--- a/apps/twenties/ChangeLog
+++ b/apps/twenties/ChangeLog
@@ -4,3 +4,4 @@
 0.04: Convert to boot code
 0.05: Improve energy efficiency
 0.06: Align with whole thirds of the hour.
+0.07: Refactor to use the scheduling library.
diff --git a/apps/twenties/boot.js b/apps/twenties/boot.js
index 1b55a577fe..7e837e243e 100644
--- a/apps/twenties/boot.js
+++ b/apps/twenties/boot.js
@@ -1,31 +1,6 @@
-(() => {
-  const LOOP_INTERVAL = 1.2e6; // 20 minutes
-  const BUZZ_INTERVAL = 2e4; // 20 seconds
-
-  const isWorkTime = (d) =>
-    d.getDay() % 6 && d.getHours() >= 8 && d.getHours() < 18;
-
-  const scheduleNext = () => {
-    const now = new Date();
-    if (isWorkTime(now)) {
-      Bangle.buzz().then(() => setTimeout(Bangle.buzz, BUZZ_INTERVAL));
-      setTimeout(scheduleNext, LOOP_INTERVAL);
-    } else {
-      const next = new Date(now);
-      next.setHours(8, 0, 0, 0);
-      while (!isWorkTime(next)) next.setDate(next.getDate() + 1);
-      setTimeout(scheduleNext, next - now);
-    }
-  };
-
-  // Align so we fire at whole hour, 20 min past and 40 min past - not at arbitrary times.
-  const TIME_AT_BOOT = new Date();
-  const TIME_SINCE_WHOLE_THIRD_OF_HOUR = (TIME_AT_BOOT.getMinutes() % 20) * 6e4 + TIME_AT_BOOT.getSeconds() * 1e3;
-  setTimeout(scheduleNext,
-    LOOP_INTERVAL - TIME_SINCE_WHOLE_THIRD_OF_HOUR);
-  // Make sure we don't miss the 2nd buzz after 20 seconds if we rebooted during that interval.
-  if (TIME_SINCE_WHOLE_THIRD_OF_HOUR <= BUZZ_INTERVAL) {
-    setTimeout(Bangle.buzz, 
-      BUZZ_INTERVAL - TIME_SINCE_WHOLE_THIRD_OF_HOUR);
-  }
-})();
+{ // This boot script is deleted once the companion alarm is set up.
+  // The app will continue working by having the alarm rearm itself until
+  // the app is uninstalled.
+let alarms = require("Storage").readJSON("sched.json", 1) || [];
+if (!alarms.includes(a => a.id === "twenties")) {require("twenties").setup(alarms);}
+}
diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
new file mode 100644
index 0000000000..697edade0c
--- /dev/null
+++ b/apps/twenties/lib.js
@@ -0,0 +1,45 @@
+{ // this code is called from `twenties.boot.js` in a scope where the `alarms` variable is defined.
+
+  exports.getTimeAtNextBuzz = () => {
+    const isWorkTime = (d) =>
+      d.getDay() % 6 && d.getHours() >= 8 && d.getHours() < 18;
+    const NOW = new Date();
+    let timeAtNextBuzz = 8 * 3600000;
+    if (isWorkTime(NOW)) {
+      timeAtNextBuzz = NOW.getHours() * 3600000 +
+        (NOW.getMinutes() + (20 - NOW.getMinutes() % 20)) * 60000;
+    }
+    return timeAtNextBuzz;
+  }
+
+  const S = require("sched");
+
+  exports.buzzRearmOrDeleteAlarm = function () {
+    try { // Verify that twenties is still installed. If not delete its alarm.
+      require("twenties");
+    } catch (e) {
+      S.setAlarm("twenties", undefined);
+      S.reload();
+      return
+    }
+    Bangle.buzz()
+    let twentiesAlarm = S.getAlarm("twenties");
+    twentiesAlarm.t = exports.getTimeAtNextBuzz();
+    S.setAlarm("twenties", twentiesAlarm);
+  }
+
+  exports.setup = function (alarms) {
+    const TIME_AT_NEXT_BUZZ = exports.getTimeAtNextBuzz()
+    alarms.push({
+      id: "twenties",
+      on: true,
+      t: TIME_AT_NEXT_BUZZ,
+      dow: 0b0111110,
+      hidden: true,
+      js: "require('twenties').buzzRearmOrDeleteAlarm()"
+    });
+    S.setAlarms(alarms);
+    S.reload();
+    require("Storage").erase("twenties.boot.js");
+  }
+}
diff --git a/apps/twenties/metadata.json b/apps/twenties/metadata.json
index 62b12d1401..12c20a7a9e 100644
--- a/apps/twenties/metadata.json
+++ b/apps/twenties/metadata.json
@@ -2,7 +2,7 @@
   "id": "twenties",
   "name": "Twenties",
   "shortName": "Twenties",
-  "version": "0.06",
+  "version": "0.07",
   "description": "Buzzes every 20m to stand / sit and look 20ft away for 20s.",
   "icon": "app.png",
   "type": "bootloader",
@@ -11,5 +11,8 @@
   "supports": ["BANGLEJS", "BANGLEJS2"],
   "allow_emulator": true,
   "readme": "README.md",
-  "storage": [{ "name": "twenties.boot.js", "url": "boot.js" }]
+  "storage": [
+    { "name": "twenties.boot.js", "url": "boot.js" },
+    { "name": "twenties", "url": "lib.js" }
+  ]
 }

From 785c349f242e7b201f2034ac4dee8ccfbace2884 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Sat, 23 May 2026 02:03:56 +0200
Subject: [PATCH 02/14] twenties: set group attribute to "Hidden"

---
 apps/twenties/lib.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index 697edade0c..5c8d478bec 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -36,6 +36,7 @@
       t: TIME_AT_NEXT_BUZZ,
       dow: 0b0111110,
       hidden: true,
+      group: "Hidden",
       js: "require('twenties').buzzRearmOrDeleteAlarm()"
     });
     S.setAlarms(alarms);

From b07c298474781967724abf3c3701d4135b7357d1 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Sat, 23 May 2026 02:34:57 +0200
Subject: [PATCH 03/14] twenties: fix add back the 20 second look away buzz
 interval

---
 apps/twenties/lib.js | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index 5c8d478bec..e0b373bb4c 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -3,13 +3,21 @@
   exports.getTimeAtNextBuzz = () => {
     const isWorkTime = (d) =>
       d.getDay() % 6 && d.getHours() >= 8 && d.getHours() < 18;
+    const isLookAwayTime = (d) => {
+      d.getMinutes() % 20 === 0 && d.getseconds < 20
+    }
     const NOW = new Date();
-    let timeAtNextBuzz = 8 * 3600000;
+    let t = 8 * 3600000;
     if (isWorkTime(NOW)) {
-      timeAtNextBuzz = NOW.getHours() * 3600000 +
-        (NOW.getMinutes() + (20 - NOW.getMinutes() % 20)) * 60000;
+      if (isLookAwayTime(NOW)) {
+        t = NOW.getHours() * 3600000 +
+          NOW.getMinutes() * 60000 + 20 * 1000;
+      } else {
+        t = NOW.getHours() * 3600000 +
+          (NOW.getMinutes() + (20 - NOW.getMinutes() % 20)) * 60000;
+      }
     }
-    return timeAtNextBuzz;
+    return t;
   }
 
   const S = require("sched");
@@ -20,12 +28,13 @@
     } catch (e) {
       S.setAlarm("twenties", undefined);
       S.reload();
-      return
+      return;
     }
     Bangle.buzz()
     let twentiesAlarm = S.getAlarm("twenties");
     twentiesAlarm.t = exports.getTimeAtNextBuzz();
     S.setAlarm("twenties", twentiesAlarm);
+    S.setTimer()
   }
 
   exports.setup = function (alarms) {

From d0c473eb37705555462f090916e7c63222bead78 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 11:21:48 +0200
Subject: [PATCH 04/14] twenties: fix typo re `Date.getSeconds()`

---
 apps/twenties/lib.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index e0b373bb4c..9fe7c0358c 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -1,10 +1,10 @@
-{ // this code is called from `twenties.boot.js` in a scope where the `alarms` variable is defined.
+{
 
   exports.getTimeAtNextBuzz = () => {
     const isWorkTime = (d) =>
       d.getDay() % 6 && d.getHours() >= 8 && d.getHours() < 18;
     const isLookAwayTime = (d) => {
-      d.getMinutes() % 20 === 0 && d.getseconds < 20
+      d.getMinutes() % 20 === 0 && d.getSeconds() < 20
     }
     const NOW = new Date();
     let t = 8 * 3600000;

From 06dddfe5548536d3a271468607e8ed72ef91d3db Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 11:34:45 +0200
Subject: [PATCH 05/14] twenties: fix uninstall logic

---
 apps/twenties/lib.js | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index 9fe7c0358c..3f9b843c5b 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -22,21 +22,24 @@
 
   const S = require("sched");
 
-  exports.buzzRearmOrDeleteAlarm = function () {
-    try { // Verify that twenties is still installed. If not delete its alarm.
-      require("twenties");
-    } catch (e) {
-      S.setAlarm("twenties", undefined);
-      S.reload();
-      return;
-    }
-    Bangle.buzz()
+  exports.buzzAndRearm = function () {
+    Bangle.buzz();
     let twentiesAlarm = S.getAlarm("twenties");
     twentiesAlarm.t = exports.getTimeAtNextBuzz();
     S.setAlarm("twenties", twentiesAlarm);
-    S.setTimer()
+    S.setTimer();
   }
 
+  // If twenties is not installed anymore the alarm is deleted (catch block). Otherwise buzz and rearm as usual (try block).
+  const JS_BUZZ_REARM_OR_DELETE_ALARM = `{
+    try {
+      require('twenties').buzzAndRearm();
+    } catch(e) {
+      S.setAlarm("twenties", undefined);
+      S.reload();
+    }
+  }`
+
   exports.setup = function (alarms) {
     const TIME_AT_NEXT_BUZZ = exports.getTimeAtNextBuzz()
     alarms.push({
@@ -46,7 +49,7 @@
       dow: 0b0111110,
       hidden: true,
       group: "Hidden",
-      js: "require('twenties').buzzRearmOrDeleteAlarm()"
+      js: JS_BUZZ_REARM_OR_DELETE_ALARM
     });
     S.setAlarms(alarms);
     S.reload();

From b774c6c906ed92adc38ae58416e7d58b34be8c3f Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 11:51:41 +0200
Subject: [PATCH 06/14] twenties: fix arrow function

---
 apps/twenties/lib.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index 3f9b843c5b..60fde2f4a9 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -3,9 +3,8 @@
   exports.getTimeAtNextBuzz = () => {
     const isWorkTime = (d) =>
       d.getDay() % 6 && d.getHours() >= 8 && d.getHours() < 18;
-    const isLookAwayTime = (d) => {
-      d.getMinutes() % 20 === 0 && d.getSeconds() < 20
-    }
+    const isLookAwayTime = (d) =>
+      d.getMinutes() % 20 === 0 && d.getSeconds() < 20;
     const NOW = new Date();
     let t = 8 * 3600000;
     if (isWorkTime(NOW)) {

From 597095fdd64034e90e9a8f37dd7387e3ea5837a3 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 13:09:08 +0200
Subject: [PATCH 07/14] twenties: fix 20 second buzz interval (hopefully)

---
 apps/twenties/boot.js |  2 +-
 apps/twenties/lib.js  | 27 ++++++++++++++-------------
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/apps/twenties/boot.js b/apps/twenties/boot.js
index 7e837e243e..91a1a24990 100644
--- a/apps/twenties/boot.js
+++ b/apps/twenties/boot.js
@@ -2,5 +2,5 @@
   // The app will continue working by having the alarm rearm itself until
   // the app is uninstalled.
 let alarms = require("Storage").readJSON("sched.json", 1) || [];
-if (!alarms.includes(a => a.id === "twenties")) {require("twenties").setup(alarms);}
+if (!alarms.includes(a => a.id === "twenties")) {require("twenties").setup();}
 }
diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index 60fde2f4a9..ab69b8fd9d 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -7,6 +7,8 @@
       d.getMinutes() % 20 === 0 && d.getSeconds() < 20;
     const NOW = new Date();
     let t = 8 * 3600000;
+    print(NOW);
+    print(NOW.getSeconds());
     if (isWorkTime(NOW)) {
       if (isLookAwayTime(NOW)) {
         t = NOW.getHours() * 3600000 +
@@ -17,41 +19,40 @@
       }
     }
     return t;
-  }
+  };
 
   const S = require("sched");
 
   exports.buzzAndRearm = function () {
+    print("buzz");
     Bangle.buzz();
     let twentiesAlarm = S.getAlarm("twenties");
     twentiesAlarm.t = exports.getTimeAtNextBuzz();
     S.setAlarm("twenties", twentiesAlarm);
-    S.setTimer();
-  }
+  };
 
   // If twenties is not installed anymore the alarm is deleted (catch block). Otherwise buzz and rearm as usual (try block).
   const JS_BUZZ_REARM_OR_DELETE_ALARM = `{
     try {
       require('twenties').buzzAndRearm();
+      // require("twenties").setup(); // For DEBUGGING as to regenerate the javascript string to evaluate in the alarm.
     } catch(e) {
-      S.setAlarm("twenties", undefined);
-      S.reload();
+      require("sched").setAlarm("twenties", undefined);
+      require("sched").reload();
+      throw(e);
     }
-  }`
+  }`;
 
-  exports.setup = function (alarms) {
-    const TIME_AT_NEXT_BUZZ = exports.getTimeAtNextBuzz()
-    alarms.push({
-      id: "twenties",
+  exports.setup = function () {
+    S.setAlarm("twenties", {
       on: true,
-      t: TIME_AT_NEXT_BUZZ,
+      t: exports.getTimeAtNextBuzz(),
       dow: 0b0111110,
       hidden: true,
       group: "Hidden",
       js: JS_BUZZ_REARM_OR_DELETE_ALARM
     });
-    S.setAlarms(alarms);
     S.reload();
     require("Storage").erase("twenties.boot.js");
-  }
+  };
 }

From da9584ac9279e8f4819ea403ce6a025e419a2d3a Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 16:01:01 +0200
Subject: [PATCH 08/14] twenties: fix so alarms are reloaded whence modified.

---
 apps/twenties/lib.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index ab69b8fd9d..23f0ef4838 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -7,8 +7,6 @@
       d.getMinutes() % 20 === 0 && d.getSeconds() < 20;
     const NOW = new Date();
     let t = 8 * 3600000;
-    print(NOW);
-    print(NOW.getSeconds());
     if (isWorkTime(NOW)) {
       if (isLookAwayTime(NOW)) {
         t = NOW.getHours() * 3600000 +
@@ -24,11 +22,11 @@
   const S = require("sched");
 
   exports.buzzAndRearm = function () {
-    print("buzz");
     Bangle.buzz();
     let twentiesAlarm = S.getAlarm("twenties");
     twentiesAlarm.t = exports.getTimeAtNextBuzz();
     S.setAlarm("twenties", twentiesAlarm);
+    S.reload();
   };
 
   // If twenties is not installed anymore the alarm is deleted (catch block). Otherwise buzz and rearm as usual (try block).

From 2cfb8abdae8e396cf02ae59de2b7ee2622caa26d Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 16:43:13 +0200
Subject: [PATCH 09/14] twenties: rework logic re deleting the app and its
 alarms

---
 apps/twenties/boot.js |  4 ++--
 apps/twenties/lib.js  | 28 +++++++---------------------
 2 files changed, 9 insertions(+), 23 deletions(-)

diff --git a/apps/twenties/boot.js b/apps/twenties/boot.js
index 91a1a24990..8450b7e293 100644
--- a/apps/twenties/boot.js
+++ b/apps/twenties/boot.js
@@ -1,6 +1,6 @@
 { // This boot script is deleted once the companion alarm is set up.
   // The app will continue working by having the alarm rearm itself until
   // the app is uninstalled.
-let alarms = require("Storage").readJSON("sched.json", 1) || [];
-if (!alarms.includes(a => a.id === "twenties")) {require("twenties").setup();}
+  require("twenties").setup();
+  require("Storage").erase("twenties.boot.js");
 }
diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index 23f0ef4838..f7cec6da78 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -1,5 +1,4 @@
 {
-
   exports.getTimeAtNextBuzz = () => {
     const isWorkTime = (d) =>
       d.getDay() % 6 && d.getHours() >= 8 && d.getHours() < 18;
@@ -19,27 +18,14 @@
     return t;
   };
 
-  const S = require("sched");
-
-  exports.buzzAndRearm = function () {
+  exports.buzzAndSetup = function () {
     Bangle.buzz();
-    let twentiesAlarm = S.getAlarm("twenties");
-    twentiesAlarm.t = exports.getTimeAtNextBuzz();
-    S.setAlarm("twenties", twentiesAlarm);
-    S.reload();
+    exports.setup();
   };
 
-  // If twenties is not installed anymore the alarm is deleted (catch block). Otherwise buzz and rearm as usual (try block).
-  const JS_BUZZ_REARM_OR_DELETE_ALARM = `{
-    try {
-      require('twenties').buzzAndRearm();
-      // require("twenties").setup(); // For DEBUGGING as to regenerate the javascript string to evaluate in the alarm.
-    } catch(e) {
-      require("sched").setAlarm("twenties", undefined);
-      require("sched").reload();
-      throw(e);
-    }
-  }`;
+  const JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP = `require("sched").setAlarm("twenties", undefined); require("sched").reload(); require('twenties').buzzAndSetup();`;
+
+  const S = require("sched");
 
   exports.setup = function () {
     S.setAlarm("twenties", {
@@ -48,9 +34,9 @@
       dow: 0b0111110,
       hidden: true,
       group: "Hidden",
-      js: JS_BUZZ_REARM_OR_DELETE_ALARM
+      del: true,
+      js: JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP
     });
     S.reload();
-    require("Storage").erase("twenties.boot.js");
   };
 }

From 5383eb8e690a4bdbb3beeb6c3ce81d584b2604e5 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 17:21:27 +0200
Subject: [PATCH 10/14] twenties: drop a schedule reload

---
 apps/twenties/lib.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index f7cec6da78..ddf88d128f 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -23,7 +23,7 @@
     exports.setup();
   };
 
-  const JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP = `require("sched").setAlarm("twenties", undefined); require("sched").reload(); require('twenties').buzzAndSetup();`;
+  const JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP = `require("sched").setAlarm("twenties", undefined); require('twenties').buzzAndSetup();`;
 
   const S = require("sched");
 

From a3b51cf7afcc9456c2e88ee70d31e69cc7fb730b Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 18:18:46 +0200
Subject: [PATCH 11/14] twenties: drop del attribute from alarm

---
 apps/twenties/lib.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index ddf88d128f..f9b3b8d452 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -34,7 +34,6 @@
       dow: 0b0111110,
       hidden: true,
       group: "Hidden",
-      del: true,
       js: JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP
     });
     S.reload();

From 70e7abf422a1c08c4d62dd8ccbaa436eb4cb4779 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Mon, 25 May 2026 22:40:54 +0200
Subject: [PATCH 12/14] twenties: fix working around sched library peculiarity

setting an alarm at a time that had already occurred today would fire
immediately instead of be scheduled for tomorrow.
---
 apps/twenties/lib.js | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index f9b3b8d452..57c311b884 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -15,6 +15,7 @@
           (NOW.getMinutes() + (20 - NOW.getMinutes() % 20)) * 60000;
       }
     }
+    print(t);
     return t;
   };
 
@@ -28,14 +29,23 @@
   const S = require("sched");
 
   exports.setup = function () {
-    S.setAlarm("twenties", {
+    const TIME_AT_NEXT_BUZZ = exports.getTimeAtNextBuzz();
+    const TIME_AT_SETUP = new Date();
+    let alarm = {
       on: true,
-      t: exports.getTimeAtNextBuzz(),
+      t: TIME_AT_NEXT_BUZZ,
       dow: 0b0111110,
       hidden: true,
       group: "Hidden",
       js: JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP
-    });
+    };
+    if ( TIME_AT_NEXT_BUZZ <
+      TIME_AT_SETUP.getHours() * 3600000 +
+      TIME_AT_SETUP.getMinutes() * 60000 +
+      TIME_AT_SETUP.getSeconds() * 1000 ) { // FIXME: this is done to work around a behavior in sched library. I think that is maybe a :BUG: that we should fix there. But unsure. It's around https://github.com/espruino/BangleApps/blob/master/apps/sched/boot.js#L21-L21
+      alarm.last = Date().getDate();
+    }
+    S.setAlarm("twenties", alarm);
     S.reload();
   };
 }

From e3c8afc0d150a9add1b34dba465f74f1091f8a60 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Thu, 28 May 2026 22:35:16 +0200
Subject: [PATCH 13/14] twenties: fix boot script not running before being
 deleted

(I think that was the problem at least.)
---
 apps/twenties/boot.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/twenties/boot.js b/apps/twenties/boot.js
index 8450b7e293..295bf42a8d 100644
--- a/apps/twenties/boot.js
+++ b/apps/twenties/boot.js
@@ -2,5 +2,5 @@
   // The app will continue working by having the alarm rearm itself until
   // the app is uninstalled.
   require("twenties").setup();
-  require("Storage").erase("twenties.boot.js");
+  setTimeout(require("Storage").erase, 1000, "twenties.boot.js");
 }

From 75999de16a2ec55ceed7af8e5e5dea3bbd5c06a2 Mon Sep 17 00:00:00 2001
From: thyttan <6uuxstm66@mozmail.com⁩>
Date: Fri, 29 May 2026 08:35:22 +0200
Subject: [PATCH 14/14] twenties: try to fix interference with `edgeclk`
 drawing time

---
 apps/twenties/lib.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/apps/twenties/lib.js b/apps/twenties/lib.js
index 57c311b884..e33ce464a2 100644
--- a/apps/twenties/lib.js
+++ b/apps/twenties/lib.js
@@ -20,8 +20,10 @@
   };
 
   exports.buzzAndSetup = function () {
-    Bangle.buzz();
-    exports.setup();
+    setTimeout(() => { // Timeout to try and not interfere with `edgeclk` redrawing the time.
+      Bangle.buzz();
+      exports.setup();
+    }, 10)
   };
 
   const JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP = `require("sched").setAlarm("twenties", undefined); require('twenties').buzzAndSetup();`;
@@ -39,10 +41,10 @@
       group: "Hidden",
       js: JS_DELETE_ALARM_THEN_BUZZ_AND_SETUP
     };
-    if ( TIME_AT_NEXT_BUZZ <
+    if (TIME_AT_NEXT_BUZZ <
       TIME_AT_SETUP.getHours() * 3600000 +
       TIME_AT_SETUP.getMinutes() * 60000 +
-      TIME_AT_SETUP.getSeconds() * 1000 ) { // FIXME: this is done to work around a behavior in sched library. I think that is maybe a :BUG: that we should fix there. But unsure. It's around https://github.com/espruino/BangleApps/blob/master/apps/sched/boot.js#L21-L21
+      TIME_AT_SETUP.getSeconds() * 1000) { // FIXME: this is done to work around a behavior in sched library. I think that is maybe a :BUG: that we should fix there. But unsure. It's around https://github.com/espruino/BangleApps/blob/master/apps/sched/boot.js#L21-L21
       alarm.last = Date().getDate();
     }
     S.setAlarm("twenties", alarm);