diff --git a/application/controllers/api/frontend/v1/LvMenu.php b/application/controllers/api/frontend/v1/LvMenu.php
index 45741b567..6f4f5ad97 100644
--- a/application/controllers/api/frontend/v1/LvMenu.php
+++ b/application/controllers/api/frontend/v1/LvMenu.php
@@ -423,7 +423,7 @@ class LvMenu extends FHCAPI_Controller
 			{
 				if($row->gruppe_kurzbz != '')
 				{
-					$bngrp_uids = $this->Benutzergrupp_model->getUids($row->gruppe_kurzbz, $angezeigtes_stsem);
+					$bngrp_uids = $this->Benutzergruppe_model->getUids($row->gruppe_kurzbz, $angezeigtes_stsem);
 					if(count($bngrp_uids) > 0)
 					{
 						if(!$row->mailgrp)
diff --git a/public/js/apps/Cis/Stundenplan.js b/public/js/apps/Cis/Stundenplan.js
index cbca415e0..cb019952c 100644
--- a/public/js/apps/Cis/Stundenplan.js
+++ b/public/js/apps/Cis/Stundenplan.js
@@ -11,6 +11,8 @@ const app = Vue.createApp({
 			events: null,
 			calendarDate: new CalendarDate(new Date()),
 			currentlySelectedEvent: null,
+			currentDay: new Date(),
+			minimized: false,
 		}
 	},
 	components: {
@@ -32,17 +34,23 @@ const app = Vue.createApp({
 		},
 	},
 	methods:{
-
+		selectDay: function(day){
+			this.currentDay = day;
+		},
 		showModal: function(event){
 			this.currentlySelectedEvent = event;
 			Vue.nextTick(() => {
 				this.$refs.lvmodal.show();
 			});
 		},
-		updateRange: function (data) {
-			let tmp_date = new CalendarDate(data.start);
+		updateRange: function ({start,end}) {
+
+			let checkDate = (date) => {
+				return date.m != this.calendarDate.m || date.y != this.calendarDate.y;
+			}
+
 			// only load month data if the month or year has changed
-			if(tmp_date.m != this.calendarDate.m || tmp_date.y != this.calendarDate.y){
+			if (checkDate(new CalendarDate(start)) && checkDate(new CalendarDate(end))){
 				// reset the events before querying the new events to activate the loading spinner
 				this.events = null;
 				this.calendarDate = tmp_date;
@@ -51,15 +59,12 @@ const app = Vue.createApp({
 				});
 			}
 		},
-
 		calendarDateToString: function (calendarDate) {
-
 			return calendarDate instanceof CalendarDate ?
 				[calendarDate.y, calendarDate.m + 1, calendarDate.d].join('-') :
 				null;
 
 		},
-
 		loadEvents: function(){
 			Promise.allSettled([
 				this.$fhcApi.factory.stundenplan.getStundenplan(this.monthFirstDay, this.monthLastDay),
@@ -96,11 +101,12 @@ const app = Vue.createApp({
 	created(){
 		this.loadEvents();
 	},
+	//TODO: Stundenplan phrase
 	template:/*html*/`
 	<h2>Stundenplan</h2>
 	<hr>
-	<lv-modal v-if="currentlySelectedEvent" :event="currentlySelectedEvent" ref="lvmodal"  />
-	<fhc-calendar @change:range="updateRange" :events="events" initial-mode="week" show-weeks >
+	<lv-modal v-if="currentlySelectedEvent" :event="currentlySelectedEvent" ref="lvmodal" />
+	<fhc-calendar :initial-date="currentDay" @change:range="updateRange" :events="events" initial-mode="week" show-weeks @select:day="selectDay" v-model:minimized="minimized">
 		<template #weekPage="{event,day}">
 			<div @click="showModal(event?.orig)" type="button" class="d-flex flex-column align-items-center justify-content-evenly h-100">
 				<span>{{event?.orig.topic}}</span>
@@ -108,6 +114,14 @@ const app = Vue.createApp({
 				<span>{{event?.orig.ort_kurzbz}}</span>
 			</div>
 		</template>
+		<template #dayPage="{event,day}">
+			<div @click="showModal(event?.orig)" type="button" class="d-flex flex-column align-items-center justify-content-evenly h-100">
+				<span>{{event?.orig.topic}}</span>
+				<span v-for="lektor in event?.orig.lektor">{{lektor.kurzbz}}</span>
+				<span>{{event?.orig.ort_kurzbz}}</span>
+			</div>
+		</template>
+		<template
 	</fhc-calendar>
 	`
 });
diff --git a/public/js/components/Calendar/Calendar.js b/public/js/components/Calendar/Calendar.js
index a38f630be..dd12456ca 100644
--- a/public/js/components/Calendar/Calendar.js
+++ b/public/js/components/Calendar/Calendar.js
@@ -3,6 +3,7 @@ import CalendarMonths from './Months.js';
 import CalendarYears from './Years.js';
 import CalendarWeek from './Week.js';
 import CalendarWeeks from './Weeks.js';
+import CalendarDay from './Day.js';
 import CalendarMinimized from './Minimized.js';
 import CalendarDate from '../../composables/CalendarDate.js';
 
@@ -16,6 +17,7 @@ export default {
 		CalendarYears,
 		CalendarWeek,
 		CalendarWeeks,
+		CalendarDay,
 		CalendarMinimized,
 	},
 	provide() {
@@ -104,7 +106,6 @@ export default {
 	},
 	methods: {
 		handleInput(day) {
-			console.log(day[0], "first",day[1],"second")
 			this.$emit(day[0], day[1]);
 		}
 	},
@@ -142,6 +143,9 @@ export default {
 			<template #weekPage="{event,day}">
 				<slot name="weekPage" :event="event" :day="day"></slot>
 			</template>
+			<template #dayPage="{event,day}">
+				<slot name="dayPage" :event="event" :day="day"></slot>
+			</template>
 		</component>
 	</div>`
 }
diff --git a/public/js/components/Calendar/Day.js b/public/js/components/Calendar/Day.js
new file mode 100644
index 000000000..dc9795850
--- /dev/null
+++ b/public/js/components/Calendar/Day.js
@@ -0,0 +1,52 @@
+import CalendarAbstract from './Abstract.js';
+import CalendarPane from './Pane.js';
+import CalendarDayPage from './Day/Page.js';
+import CalendarDate from '../../composables/CalendarDate.js';
+
+export default {
+	mixins: [
+		CalendarAbstract
+	],
+	components: {
+		CalendarDayPage,
+		CalendarPane
+	},
+	computed: {
+		title() {
+			return this.focusDate.format({ year: 'numeric' }) + ' KW ' + this.focusDate.w;
+		}
+	},
+	methods: {
+		paneChanged(dir) {
+			let previousDate = new CalendarDate(this.focusDate);
+			this.focusDate.d += dir;
+			this.emitRangeChanged(previousDate);
+		},
+		emitRangeChanged(previousDate) {
+			this.$emit('change:range', { start: previousDate, end:this.focusDate });
+		},
+		prev() {
+			this.$refs.pane.prev();
+		},
+		next() {
+			this.$refs.pane.next();
+		},
+		selectEvent(event) {
+			this.$emit('input', ['select:event', event]);
+		}
+	},
+	created() {
+		this.emitRangeChanged();
+	},
+	template: /*html*/`
+	<div class="fhc-calendar-day">
+		<calendar-header :title="title" @prev="prev" @next="next" @updateMode="$emit('updateMode', $event)" @click="$emit('updateMode', 'week')"/>
+		<calendar-pane ref="pane" v-slot="slot" @slid="paneChanged">
+			<calendar-day-page :year="focusDate.y" :week="focusDate.w+slot.offset" @updateMode="$emit('updateMode', $event)" @page:back="prev" @page:forward="next" @input="selectEvent" >
+				<template #dayPage="{event,day}">
+					<slot name="dayPage" :event="event" :day="day" ></slot>
+				</template>
+			</calendar-day-page>
+		</calendar-pane>
+	</div>`
+}
diff --git a/public/js/components/Calendar/Day/Page.js b/public/js/components/Calendar/Day/Page.js
new file mode 100644
index 000000000..0da529b98
--- /dev/null
+++ b/public/js/components/Calendar/Day/Page.js
@@ -0,0 +1,154 @@
+import CalendarDate from '../../../composables/CalendarDate.js';
+
+function ggt(m, n) { return n == 0 ? m : ggt(n, m % n); }
+function kgv(m, n) { return (m * n) / ggt(m, n); }
+
+export default {
+	data() {
+		return {
+			hourPosition: null,
+			hourPositionTime: null,
+		}
+	},
+	inject: [
+		'date',
+		'focusDate',
+		'size',
+		'events',
+		'noMonthView'
+	],
+	props: {
+		year: Number,
+		week: Number
+	},
+	emits: [
+		'updateMode',
+		'page:back',
+		'page:forward',
+		'input'
+	],
+	computed: {
+		hours() {
+			// returns an array with elements starting at 7 and ending at 24
+			return [...Array(24).keys()].filter(hour => hour >= 7 && hour <= 24);
+		},
+		days() {
+			let startDay = this.focusDate;
+			let result = [];
+				result.push(new Date(startDay.y, startDay.m, startDay.d));
+			return result;
+		},
+		eventsPerDayAndHour() {
+			const res = {};
+			this.days.forEach(day => {
+				let key = day.toDateString();
+
+				let nextDay = new Date(day);
+				nextDay.setDate(nextDay.getDate() + 1);
+				nextDay.setMilliseconds(nextDay.getMilliseconds() - 1);
+				let d = { events: [], lanes: 1 };
+				if (this.events[key]) {
+					this.events[key].forEach(evt => {
+						let event = {
+							orig: evt, lane: 1, maxLane: 1, start: evt.start < day ? day : evt.start, end: evt.end > nextDay ? nextDay : evt.end, shared: [], setSharedMaxRecursive(doneItems) {
+								this.maxLane = Math.max(doneItems[0].maxLane, this.maxLane);
+								doneItems.push(this);
+								this.shared.filter(other => !doneItems.includes(other)).forEach(i => i.setSharedMaxRecursive(doneItems));
+							}
+						};
+						event.shared = d.events.filter(other => other.start < event.end && other.end > event.start);
+						event.shared.forEach(other => other.shared.push(event));
+						let occupiedLanes = event.shared.map(other => other.lane);
+						while (occupiedLanes.includes(event.lane))
+							event.lane++;
+						event.maxLane = Math.max(...[event.lane], ...occupiedLanes);
+						if (event.maxLane > 1) {
+							event.setSharedMaxRecursive([event]);
+						}
+						d.events.push(event);
+					});
+					d.lanes = d.events.map(e => e.maxLane).reduce((res, i) => kgv(res, i), 1);
+				}
+				res[key] = d;
+			});
+			return res;
+		},
+		smallestTimeFrame() {
+			return [30, 15, 10, 5][this.size];
+		}
+	},
+	methods: {
+		calcHourPosition(event) {
+			let top = this.$refs.eventcontainer.getBoundingClientRect().top;
+			let position = event.clientY - top;
+			this.hourPosition = position;
+			// position percentage of total height
+			let timePercentage = (position / this.$refs.eventcontainer.offsetHeight) * 100;
+			// minute percentage of total minutes
+			let result = (this.hours.length * 60) * (timePercentage / 100);
+			// calculate time in float
+			let currentMinutes = ((result + (this.hours[0] * 60)) / 60);
+			// get hour part of time
+			let currentHour = Math.floor(currentMinutes);
+			// get float part of time
+			let minutePercentage = currentMinutes % currentHour;
+			// calculate minutes from float part of time
+			let minute = Math.round(60 * minutePercentage);
+			// in case the rounding made the minutes 60, increase the hour and reset the minutes
+			if (minute == 60) {
+				currentHour++;
+				minute = 0;
+			}
+			// add padding to minutes that consist of only one digit
+			minute.toString().length == 1 ? minute = "0" + minute : minute;
+			this.hourPositionTime = currentHour + ":" + minute;
+		},
+		getAbsolutePositionForHour(hour) {
+			// used for the absolute positioning of the gutters of hours
+			return (100 / this.hours.length) * (hour - (24 - this.hours.length)) + '%';
+		},
+		changeToMonth(day) {
+			if (!this.noMonthView) {
+				this.date.set(day);
+				this.focusDate.set(day);
+				this.$emit('updateMode', 'month');
+			}
+		},
+		dateToMinutesOfDay(day) {
+			return Math.floor(((day.getHours() - 7) * 60 + day.getMinutes()) / this.smallestTimeFrame) + 1;
+		}
+	},
+	mounted() {
+		setTimeout(() => this.$refs.eventcontainer.scrollTop = this.$refs.eventcontainer.scrollHeight / 3 + 1, 0);
+	},
+	template: /*html*/`
+	<div class="fhc-calendar-week-page">
+		<div class="d-flex flex-column">
+			<div class="fhc-calendar-week-page-header d-grid border-2 border-bottom text-center" :style="{'z-index':4,'grid-template-columns': 'repeat(' + days.length + ', 1fr)', 'grid-template-rows':1}" style="position:sticky; top:0; " >
+				<div type="button" v-for="day in days" :key="day" class="flex-grow-1" :title="day.toLocaleString(undefined, {dateStyle:'short'})" @click.prevent="changeToMonth(day)">
+					<div class="fw-bold">{{day.toLocaleString(undefined, {weekday: size < 2 ? 'narrow' : (size < 3 ? 'short' : 'long')})}}</div>
+					<a href="#" class="small text-secondary text-decoration-none" >{{day.toLocaleString(undefined, [{day:'numeric',month:'numeric'},{day:'numeric',month:'numeric'},{day:'numeric',month:'numeric'},{dateStyle:'short'}][this.size])}}</a>
+				</div>
+			</div>
+			<div ref="eventcontainer" class="position-relative flex-grow-1" @mousemove="calcHourPosition" @mouseleave="" >
+				<div v-for="hour in hours" :key="hour"  class="position-absolute border-top" style="pointer-events: none;" :style="{top:getAbsolutePositionForHour(hour),left:0,right:0,'z-index':0}"></div>
+				<div v-if="hourPosition" class="position-absolute border-top small"  style="pointer-events: none; padding-left:3.5rem; margin-top:-1px;z-index:2;border-color:#00649C !important" :style="{top:hourPosition+'px',left:0,right:0}">
+					<span class="border border-top-0 px-2 bg-white">{{hourPositionTime}}</span>
+				</div>
+				<div class="events">
+					<div class="hours">
+						<div v-for="hour in hours" style="min-height:100px" :key="hour" class="text-muted text-end small" :ref="'hour' + hour">{{hour}}:00</div>
+					</div>
+					<div v-for="day in eventsPerDayAndHour" :key="day" class=" day border-start" :style="{'grid-template-columns': 'repeat(' + day.lanes + ', 1fr)', 'grid-template-rows': 'repeat(' + (hours.length * 60 / smallestTimeFrame) + ', 1fr)'}">
+						<div  :style="{'background-color':event.orig.color}" class="mx-2 border border-dark border-2 small rounded overflow-hidden "  @click.prevent="$emit('input', event.orig)" :style="{'z-index':1,'grid-column-start': 1+(event.lane-1)*day.lanes/event.maxLane, 'grid-column-end': 1+event.lane*day.lanes/event.maxLane, 'grid-row-start': dateToMinutesOfDay(event.start), 'grid-row-end': dateToMinutesOfDay(event.end) ,'--test': dateToMinutesOfDay(event.end)}" v-for="event in day.events" :key="event">	
+							<slot  name="dayPage" :event="event" :day="day">
+								<p>this is a placeholder which means that no template was passed to the Calendar Page slot</p>
+							</slot>
+						</div>
+						
+					</div>
+				</div>
+			</div>
+		</div>
+	</div>`
+}
diff --git a/public/js/components/Calendar/Header.js b/public/js/components/Calendar/Header.js
index 57e9024e1..aece861b4 100644
--- a/public/js/components/Calendar/Header.js
+++ b/public/js/components/Calendar/Header.js
@@ -4,7 +4,8 @@ export default {
 			selected: this.mode,
 			modes:{
 				week:"Woche", 
-				month:"Monat", 
+				month:"Monat",
+				day: "Tag", 
 			},
 		}
 	},
@@ -52,6 +53,7 @@ export default {
 					<button type="button" :class="{'active':mode_kurzbz == mode}" style="margin-right: 4px;" @click.prevent="$emit('updateMode',mode_kurzbz)" class="btn btn-outline-secondary" v-for="(mode_bezeichnung,mode_kurzbz) in modes">
 						<i v-if="!noWeekView && mode_kurzbz == 'week'" class="fa fa-calendar-week"></i>
 						<i v-else-if="!noMonthView && mode_kurzbz == 'month'" class="fa fa-calendar-days"></i>
+						<i v-else-if="mode_kurzbz == 'day'" class="fa-solid fa-sun"></i>
 					</button>
 				</div>
 			</div>
diff --git a/public/js/components/Calendar/Month/Page.js b/public/js/components/Calendar/Month/Page.js
index 59bd6ea5a..d65c358b0 100644
--- a/public/js/components/Calendar/Month/Page.js
+++ b/public/js/components/Calendar/Month/Page.js
@@ -61,6 +61,10 @@ export default {
 				this.$emit('updateMode', 'week');
 			}
 		},
+		changeToDay(day) {
+			this.focusDate.set(day);
+			this.$emit('updateMode', 'day');			
+		},
 		highlight(week, day){
 			this.highlightedWeek = week.no; 
 			this.highlightedDay = day;
@@ -71,7 +75,8 @@ export default {
 		clickEvent(day,week) {
 			if(!this.noWeekView)
 			{
-				this.changeToWeek(week);
+				//this.changeToWeek(week);
+				this.changeToDay(day);
 			}
 			this.selectDay(day);
 		}