diff --git a/.scripts/build.mjs b/.scripts/build.mjs
index 8b38407ed..5a24cfdfe 100644
--- a/.scripts/build.mjs
+++ b/.scripts/build.mjs
@@ -1,19 +1,19 @@
 #!/usr/bin/env zx
-import isCI from 'is-ci';
+import isCI from 'is-ci'
 
 const {
   b = isCI, // pass `-b` to build if you want it to run browserslist update outside of CI environment
-} = argv;
+} = argv
 
 if (b) {
   // Update browserslist
-  await $`npx browserslist@latest --update-db`;
+  await $`npx update-browserslist-db@latest`
 }
 
 console.log(chalk.blue('[BEGIN BUILD]'))
 console.log(chalk.blue('Building js'))
 // build distributables
-await $`NODE_ENV=production rollup -c`;
+await $`NODE_ENV=production rollup -c`
 console.log(chalk.blue(`Compiling 'lib' js files`))
 // build files used for overrides
 await $`NODE_ENV=production RBC_CJS_BUILD=true babel src --out-dir lib`
@@ -22,7 +22,10 @@ console.log(chalk.blue(`Copying SASS files to 'lib'`))
 await fs.copy('./src/sass', './lib/sass')
 console.log(chalk.blue(`...and the 'Add-on' SASS`))
 // don't forget DnD
-await fs.copy('./src/addons/dragAndDrop/styles.scss', './lib/addons/dragAndDrop/styles.scss')
+await fs.copy(
+  './src/addons/dragAndDrop/styles.scss',
+  './lib/addons/dragAndDrop/styles.scss'
+)
 console.log(chalk.blue('Now we will build some CSS'))
 // Compile SASS from './lib' to get sourcemaps
 console.log(chalk.blue('Compile base styles'))
diff --git a/src/Month.js b/src/Month.js
index 997f48fd8..9fc1d597d 100644
--- a/src/Month.js
+++ b/src/Month.js
@@ -16,7 +16,7 @@ import DateContentRow from './DateContentRow'
 import Header from './Header'
 import DateHeader from './DateHeader'
 
-import { inRange, sortEvents } from './utils/eventLevels'
+import { inRange, sortWeekEvents } from './utils/eventLevels'
 
 let eventsForWeek = (evts, start, end, accessors, localizer) =>
   evts.filter((e) => inRange(e, start, end, accessors, localizer))
@@ -124,7 +124,7 @@ class MonthView extends React.Component {
       localizer
     )
 
-    weeksEvents.sort((a, b) => sortEvents(a, b, accessors, localizer))
+    const sorted = sortWeekEvents(weeksEvents, accessors, localizer)
 
     return (
       <DateContentRow
@@ -135,7 +135,7 @@ class MonthView extends React.Component {
         getNow={getNow}
         date={date}
         range={week}
-        events={weeksEvents}
+        events={sorted}
         maxRows={showAllEvents ? Infinity : rowLimit}
         selected={selected}
         selectable={selectable}
diff --git a/src/localizer.js b/src/localizer.js
index 2a869b750..a59279b7e 100644
--- a/src/localizer.js
+++ b/src/localizer.js
@@ -14,6 +14,7 @@ import {
   add,
   range,
   diff,
+  duration,
   ceil,
   min,
   max,
@@ -87,6 +88,10 @@ function continuesAfter(start, end, last) {
     : gt(end, last, 'minutes')
 }
 
+function daySpan(start, end) {
+  return duration(start, end, 'day')
+}
+
 // These two are used by eventLevels
 function sortEvents({
   evtA: { start: aStart, end: aEnd, allDay: aAllDay },
@@ -94,13 +99,13 @@ function sortEvents({
 }) {
   let startSort = +startOf(aStart, 'day') - +startOf(bStart, 'day')
 
-  let durA = diff(aStart, ceil(aEnd, 'day'), 'day')
+  let durA = daySpan(aStart, aEnd)
 
-  let durB = diff(bStart, ceil(bEnd, 'day'), 'day')
+  let durB = daySpan(bStart, bEnd)
 
   return (
     startSort || // sort by start Day first
-    Math.max(durB, 1) - Math.max(durA, 1) || // events spanning multiple days go first
+    durB - durA || // events spanning multiple days go first
     !!bAllDay - !!aAllDay || // then allDay single day events
     +aStart - +bStart || // then sort by start time
     +aEnd - +bEnd // then sort by end time
@@ -167,13 +172,14 @@ export class DateLocalizer {
     this.min = spec.min || min
     this.max = spec.max || max
     this.minutes = spec.minutes || minutes
+    this.daySpan = spec.daySpan || daySpan
     this.firstVisibleDay = spec.firstVisibleDay || firstVisibleDay
     this.lastVisibleDay = spec.lastVisibleDay || lastVisibleDay
     this.visibleDays = spec.visibleDays || visibleDays
 
     this.getSlotDate = spec.getSlotDate || getSlotDate
     this.getTimezoneOffset =
-      spec.getTimezoneOffset || (value => value.getTimezoneOffset())
+      spec.getTimezoneOffset || ((value) => value.getTimezoneOffset())
     this.getDstOffset = spec.getDstOffset || getDstOffset
     this.getTotalMin = spec.getTotalMin || getTotalMin
     this.getMinutesFromMidnight =
diff --git a/src/localizers/dayjs.js b/src/localizers/dayjs.js
index 4f8787418..618a069d2 100644
--- a/src/localizers/dayjs.js
+++ b/src/localizers/dayjs.js
@@ -298,6 +298,12 @@ export default function (dayjsLib) {
     return djEnd.isSameOrAfter(djLast, 'minutes')
   }
 
+  function daySpan(start, end) {
+    const startDay = dayjs(start)
+    const endDay = dayjs(end)
+    return endDay.diff(startDay, 'day')
+  }
+
   // These two are used by eventLevels
   function sortEvents({
     evtA: { start: aStart, end: aEnd, allDay: aAllDay },
@@ -305,13 +311,13 @@ export default function (dayjsLib) {
   }) {
     const startSort = +startOf(aStart, 'day') - +startOf(bStart, 'day')
 
-    const durA = diff(aStart, ceil(aEnd, 'day'), 'day')
+    const durA = daySpan(aStart, aEnd)
 
-    const durB = diff(bStart, ceil(bEnd, 'day'), 'day')
+    const durB = daySpan(bStart, bEnd)
 
     return (
       startSort || // sort by start Day first
-      Math.max(durB, 1) - Math.max(durA, 1) || // events spanning multiple days go first
+      durB - durA || // events spanning multiple days go first
       !!bAllDay - !!aAllDay || // then allDay single day events
       +aStart - +bStart || // then sort by start time *don't need dayjs conversion here
       +aEnd - +bEnd // then sort by end time *don't need dayjs conversion here either
diff --git a/src/localizers/luxon.js b/src/localizers/luxon.js
index 726f62554..cfc20bf26 100644
--- a/src/localizers/luxon.js
+++ b/src/localizers/luxon.js
@@ -308,6 +308,12 @@ export default function (DateTime, { firstDayOfWeek = 7 } = {}) {
     return gte(end, last)
   }
 
+  function daySpan(start, end) {
+    const dtStart = DateTime.fromJSDate(start)
+    const dtEnd = DateTime.fromJSDate(end)
+    return dtEnd.diff(dtStart).as('days')
+  }
+
   // These two are used by eventLevels
   function sortEvents({
     evtA: { start: aStart, end: aEnd, allDay: aAllDay },
@@ -315,13 +321,13 @@ export default function (DateTime, { firstDayOfWeek = 7 } = {}) {
   }) {
     const startSort = +startOf(aStart, 'day') - +startOf(bStart, 'day')
 
-    const durA = diff(aStart, ceil(aEnd, 'day'), 'day')
+    const durA = daySpan(aStart, aEnd)
 
-    const durB = diff(bStart, ceil(bEnd, 'day'), 'day')
+    const durB = daySpan(bStart, bEnd)
 
     return (
       startSort || // sort by start Day first
-      Math.max(durB, 1) - Math.max(durA, 1) || // events spanning multiple days go first
+      durB - durA || // events spanning multiple days go first
       !!bAllDay - !!aAllDay || // then allDay single day events
       +aStart - +bStart || // then sort by start time *don't need moment conversion here
       +aEnd - +bEnd // then sort by end time *don't need moment conversion here either
@@ -413,6 +419,7 @@ export default function (DateTime, { firstDayOfWeek = 7 } = {}) {
     sortEvents,
     inEventRange,
     isSameDate,
+    daySpan,
     browserTZOffset,
   })
 }
diff --git a/src/localizers/moment.js b/src/localizers/moment.js
index 7652b42b8..8951d42bc 100644
--- a/src/localizers/moment.js
+++ b/src/localizers/moment.js
@@ -275,6 +275,13 @@ export default function (moment) {
     return mEnd.isSameOrAfter(mLast, 'minutes')
   }
 
+  function daySpan(start, end) {
+    const mStart = moment(start)
+    const mEnd = moment(end)
+    const dur = moment.duration(mEnd.diff(mStart))
+    return dur.days()
+  }
+
   // These two are used by eventLevels
   function sortEvents({
     evtA: { start: aStart, end: aEnd, allDay: aAllDay },
@@ -282,13 +289,13 @@ export default function (moment) {
   }) {
     const startSort = +startOf(aStart, 'day') - +startOf(bStart, 'day')
 
-    const durA = diff(aStart, ceil(aEnd, 'day'), 'day')
+    const durA = daySpan(aStart, aEnd)
 
-    const durB = diff(bStart, ceil(bEnd, 'day'), 'day')
+    const durB = daySpan(bStart, bEnd)
 
     return (
       startSort || // sort by start Day first
-      Math.max(durB, 1) - Math.max(durA, 1) || // events spanning multiple days go first
+      durB - durA || // events spanning multiple days go first
       !!bAllDay - !!aAllDay || // then allDay single day events
       +aStart - +bStart || // then sort by start time *don't need moment conversion here
       +aEnd - +bEnd // then sort by end time *don't need moment conversion here either
@@ -381,6 +388,7 @@ export default function (moment) {
     sortEvents,
     inEventRange,
     isSameDate,
+    daySpan,
     browserTZOffset,
   })
 }
diff --git a/src/utils/eventLevels.js b/src/utils/eventLevels.js
index eb04722c5..99e4a1a10 100644
--- a/src/utils/eventLevels.js
+++ b/src/utils/eventLevels.js
@@ -76,6 +76,28 @@ export function segsOverlap(seg, otherSegs) {
   )
 }
 
+export function sortWeekEvents(events, accessors, localizer) {
+  const base = [...events]
+  const multiDayEvents = []
+  const standardEvents = []
+  base.forEach((event) => {
+    const startCheck = accessors.start(event)
+    const endCheck = accessors.end(event)
+    if (localizer.daySpan(startCheck, endCheck) > 1) {
+      multiDayEvents.push(event)
+    } else {
+      standardEvents.push(event)
+    }
+  })
+  const multiSorted = multiDayEvents.sort((a, b) =>
+    sortEvents(a, b, accessors, localizer)
+  )
+  const standardSorted = standardEvents.sort((a, b) =>
+    sortEvents(a, b, accessors, localizer)
+  )
+  return [...multiSorted, ...standardSorted]
+}
+
 export function sortEvents(eventA, eventB, accessors, localizer) {
   const evtA = {
     start: accessors.start(eventA),
diff --git a/stories/resources/events.js b/stories/resources/events.js
index 5554d9113..227c65a5d 100644
--- a/stories/resources/events.js
+++ b/stories/resources/events.js
@@ -1,13 +1,13 @@
 const now = new Date()
 
 export default [
-  {
+  /* {
     id: 0,
     title: 'All Day Event very long title',
     allDay: true,
     start: new Date(2015, 3, 0),
     end: new Date(2015, 3, 1),
-  },
+  }, */
   {
     id: 1,
     title: 'Long Event',
@@ -33,7 +33,15 @@ export default [
     id: 4,
     title: 'Some Event',
     start: new Date(2015, 3, 9, 0, 0, 0),
-    end: new Date(2015, 3, 10, 0, 0, 0),
+    end: new Date(2015, 3, 9, 0, 0, 0),
+    allDay: true,
+  },
+
+  {
+    id: 92,
+    title: 'Some Other Event',
+    start: new Date(2015, 3, 9, 8, 0, 0),
+    end: new Date(2015, 3, 10, 11, 30, 0),
   },
   {
     id: 5,
diff --git a/yarn.lock b/yarn.lock
index d49aad288..c63927460 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5351,9 +5351,9 @@ camelcase@^6.2.0:
   integrity sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==
 
 caniuse-lite@^1.0.30001109, caniuse-lite@^1.0.30001464, caniuse-lite@^1.0.30001517:
-  version "1.0.30001519"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001519.tgz#3e7b8b8a7077e78b0eb054d69e6edf5c7df35601"
-  integrity sha512-0QHgqR+Jv4bxHMp8kZ1Kn8CH55OikjKJ6JmKkZYP1F3D7w+lnFXF70nG5eNfsZS89jadi5Ywy5UCSKLAglIRkg==
+  version "1.0.30001585"
+  resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001585.tgz"
+  integrity sha512-yr2BWR1yLXQ8fMpdS/4ZZXpseBgE7o4g41x3a6AJOqZuOi+iE/WdJYAuZ6Y95i4Ohd2Y+9MzIWRR+uGABH4s3Q==
 
 capture-exit@^2.0.0:
   version "2.0.0"