diff --git a/test/api/v3/unit/libs/cron.test.js b/test/api/v3/unit/libs/cron.test.js
index d4629b9104..19268c59f7 100644
--- a/test/api/v3/unit/libs/cron.test.js
+++ b/test/api/v3/unit/libs/cron.test.js
@@ -439,16 +439,30 @@ describe('cron', () => {
       expect(user.history.exp[0].value).to.equal(150);
     });
 
-    it('increments perfect day achievement', () => {
+    it('increments perfect day achievement if all (at least 1) due dailies were completed', () => {
+      daysMissed = 1;
       tasksByType.dailys[0].completed = true;
+      tasksByType.dailys[0].startDate = moment(new Date()).subtract({days: 1});
 
       cron({user, tasksByType, daysMissed, analytics});
 
       expect(user.achievements.perfect).to.equal(1);
     });
 
-    it('increments user buffs if they have a perfect day', () => {
+    it('does not increment perfect day achievement if no due dailies', () => {
+      daysMissed = 1;
       tasksByType.dailys[0].completed = true;
+      tasksByType.dailys[0].startDate = moment(new Date()).add({days: 1});
+
+      cron({user, tasksByType, daysMissed, analytics});
+
+      expect(user.achievements.perfect).to.equal(0);
+    });
+
+    it('increments user buffs if all (at least 1) due dailies were completed', () => {
+      daysMissed = 1;
+      tasksByType.dailys[0].completed = true;
+      tasksByType.dailys[0].startDate = moment(new Date()).subtract({days: 1});
 
       let previousBuffs = clone(user.stats.buffs);
 
@@ -460,24 +474,31 @@ describe('cron', () => {
       expect(user.stats.buffs.con).to.be.greaterThan(previousBuffs.con);
     });
 
-    it('still grants a perfect day when CRON_SAFE_MODE is set', () => {
-      sandbox.stub(nconf, 'get').withArgs('CRON_SAFE_MODE').returns('true');
-      let cronOverride = requireAgain(pathToCronLib).cron;
+    it('clears buffs if user does not have a perfect day (no due dailys)', () => {
       daysMissed = 1;
-      tasksByType.dailys[0].completed = false;
-      tasksByType.dailys[0].startDate = moment(new Date()).subtract({days: 1});
+      tasksByType.dailys[0].completed = true;
+      tasksByType.dailys[0].startDate = moment(new Date()).add({days: 1});
 
-      let previousBuffs = clone(user.stats.buffs);
+      user.stats.buffs = {
+        str: 1,
+        int: 1,
+        per: 1,
+        con: 1,
+        stealth: 0,
+        streaks: true,
+      };
 
-      cronOverride({user, tasksByType, daysMissed, analytics});
+      cron({user, tasksByType, daysMissed, analytics});
 
-      expect(user.stats.buffs.str).to.be.greaterThan(previousBuffs.str);
-      expect(user.stats.buffs.int).to.be.greaterThan(previousBuffs.int);
-      expect(user.stats.buffs.per).to.be.greaterThan(previousBuffs.per);
-      expect(user.stats.buffs.con).to.be.greaterThan(previousBuffs.con);
+      expect(user.stats.buffs.str).to.equal(0);
+      expect(user.stats.buffs.int).to.equal(0);
+      expect(user.stats.buffs.per).to.equal(0);
+      expect(user.stats.buffs.con).to.equal(0);
+      expect(user.stats.buffs.stealth).to.equal(0);
+      expect(user.stats.buffs.streaks).to.be.false;
     });
 
-    it('clears buffs if user does not have a perfect day', () => {
+    it('clears buffs if user does not have a perfect day (at least one due daily not completed)', () => {
       daysMissed = 1;
       tasksByType.dailys[0].completed = false;
       tasksByType.dailys[0].startDate = moment(new Date()).subtract({days: 1});
@@ -500,6 +521,23 @@ describe('cron', () => {
       expect(user.stats.buffs.stealth).to.equal(0);
       expect(user.stats.buffs.streaks).to.be.false;
     });
+
+    it('still grants a perfect day when CRON_SAFE_MODE is set', () => {
+      sandbox.stub(nconf, 'get').withArgs('CRON_SAFE_MODE').returns('true');
+      let cronOverride = requireAgain(pathToCronLib).cron;
+      daysMissed = 1;
+      tasksByType.dailys[0].completed = false;
+      tasksByType.dailys[0].startDate = moment(new Date()).subtract({days: 1});
+
+      let previousBuffs = clone(user.stats.buffs);
+
+      cronOverride({user, tasksByType, daysMissed, analytics});
+
+      expect(user.stats.buffs.str).to.be.greaterThan(previousBuffs.str);
+      expect(user.stats.buffs.int).to.be.greaterThan(previousBuffs.int);
+      expect(user.stats.buffs.per).to.be.greaterThan(previousBuffs.per);
+      expect(user.stats.buffs.con).to.be.greaterThan(previousBuffs.con);
+    });
   });
 
   describe('adding mp', () => {
diff --git a/website/server/libs/cron.js b/website/server/libs/cron.js
index 704adcba02..cc451a84a8 100644
--- a/website/server/libs/cron.js
+++ b/website/server/libs/cron.js
@@ -118,7 +118,7 @@ export function cron (options = {}) {
   // User is only allowed a certain number of drops a day. This resets the count.
   if (user.items.lastDrop.count > 0) user.items.lastDrop.count = 0;
 
-  // "Perfect Day" achievement for perfect-days
+  // "Perfect Day" achievement for perfect days
   let perfect = true;
 
   if (user.isSubscribed()) {
@@ -155,6 +155,7 @@ export function cron (options = {}) {
   // For incomplete Dailys, add value (further incentive), deduct health, keep records for later decreasing the nightly mana gain
   let dailyChecked = 0; // how many dailies were checked?
   let dailyDueUnchecked = 0; // how many dailies were un-checked?
+  let atLeastOneDailyDue = false; // were any dailies due?
   if (!user.party.quest.progress.down) user.party.quest.progress.down = 0;
 
   tasksByType.dailys.forEach((task) => {
@@ -165,6 +166,10 @@ export function cron (options = {}) {
 
     if (completed) {
       dailyChecked += 1;
+      if (!atLeastOneDailyDue) { // only bother checking until the first thing is found
+        let thatDay = moment(now).subtract({days: daysMissed});
+        atLeastOneDailyDue = shouldDo(thatDay.toDate(), task, user.preferences);
+      }
     } else {
       // dailys repeat, so need to calculate how many they've missed according to their own schedule
       scheduleMisses = 0;
@@ -173,6 +178,7 @@ export function cron (options = {}) {
         let thatDay = moment(now).subtract({days: i + 1});
 
         if (shouldDo(thatDay.toDate(), task, user.preferences)) {
+          atLeastOneDailyDue = true;
           scheduleMisses++;
           if (user.stats.buffs.stealth) {
             user.stats.buffs.stealth--;
@@ -256,7 +262,7 @@ export function cron (options = {}) {
   // TODO also do while resting in the inn. Note that later we'll be allowing the value/color of tasks to change while sleeping (https://github.com/HabitRPG/habitrpg/issues/5232), so the code in performSleepTasks() might be best merged back into here for that. Perhaps wait until then to do preen history for sleeping users.
   preenUserHistory(user, tasksByType, user.preferences.timezoneOffset);
 
-  if (perfect) {
+  if (perfect && atLeastOneDailyDue) {
     user.achievements.perfect++;
     let lvlDiv2 = Math.ceil(common.capByLevel(user.stats.lvl) / 2);
     user.stats.buffs = {