diff --git a/backend/model/eventModel.go b/backend/model/eventModel.go
index b25ccbf..ae2314e 100644
--- a/backend/model/eventModel.go
+++ b/backend/model/eventModel.go
@@ -1,9 +1,10 @@
 package model
 
 import (
-	"github.com/pocketbase/pocketbase/models"
 	"slices"
-	"time"
+
+	"github.com/pocketbase/pocketbase/models"
+	"github.com/pocketbase/pocketbase/tools/types"
 )
 
 type Events []Event
@@ -13,19 +14,19 @@ func (m Events) Contains(event Event) bool {
 }
 
 type Event struct {
-	UUID      string    `db:"uuid" json:"uuid"`
-	Day       string    `db:"Day" json:"day"`
-	Week      string    `db:"Week" json:"week"`
-	Start     time.Time `db:"start" json:"start"`
-	End       time.Time `db:"end" json:"end"`
-	Name      string    `db:"Name" json:"name"`
-	EventType string    `db:"EventType" json:"eventType"`
-	Prof      string    `db:"Prof" json:"prof"`
-	Rooms     string    `db:"Rooms" json:"rooms"`
-	Notes     string    `db:"Notes" json:"notes"`
-	BookedAt  string    `db:"BookedAt" json:"bookedAt"`
-	Course    string    `db:"course" json:"course"`
-	Semester  string    `db:"semester" json:"semester"`
+	UUID      string         `db:"uuid" json:"uuid"`
+	Day       string         `db:"Day" json:"day"`
+	Week      string         `db:"Week" json:"week"`
+	Start     types.DateTime `db:"start" json:"start"`
+	End       types.DateTime `db:"end" json:"end"`
+	Name      string         `db:"Name" json:"name"`
+	EventType string         `db:"EventType" json:"eventType"`
+	Prof      string         `db:"Prof" json:"prof"`
+	Rooms     string         `db:"Rooms" json:"rooms"`
+	Notes     string         `db:"Notes" json:"notes"`
+	BookedAt  string         `db:"BookedAt" json:"bookedAt"`
+	Course    string         `db:"course" json:"course"`
+	Semester  string         `db:"semester" json:"semester"`
 	models.BaseModel
 }
 
diff --git a/backend/model/eventModel_test.go b/backend/model/eventModel_test.go
index d73c109..4462f4e 100644
--- a/backend/model/eventModel_test.go
+++ b/backend/model/eventModel_test.go
@@ -1,8 +1,10 @@
 package model
 
 import (
-	"github.com/pocketbase/pocketbase/models"
 	"testing"
+
+	"github.com/pocketbase/pocketbase/models"
+	"github.com/pocketbase/pocketbase/tools/types"
 )
 
 func TestEvents_Contains(t *testing.T) {
@@ -23,20 +25,20 @@ func TestEvents_Contains(t *testing.T) {
 		},
 		{
 			name: "one event",
-			m:    Events{{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}},
-			args: args{event: Event{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}},
+			m:    Events{{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}},
+			args: args{event: Event{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}},
 			want: true,
 		},
 		{
 			name: "two events",
-			m:    Events{{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}, {Day: "test2", Week: "test2", Start: "test2", End: "test2", Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2"}},
-			args: args{event: Event{Day: "test2", Week: "test2", Start: "test2", End: "test2", Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2"}},
+			m:    Events{{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}, {Day: "test2", Week: "test2", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2"}},
+			args: args{event: Event{Day: "test2", Week: "test2", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2"}},
 			want: true,
 		},
 		{
 			name: "two events with different values",
-			m:    Events{{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test", UUID: "439ßu56rf8u9ijn4f4-2345345"}, {Day: "test2", Week: "test2", Start: "test2", End: "test2", Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2", UUID: "432a39ßu545349ijn4f4-23dsa45"}},
-			args: args{event: Event{Day: "test3", Week: "test3", Start: "test3", End: "test3", Name: "test3", Course: "test3", Prof: "test3", Rooms: "test3", EventType: "test3", UUID: "934mf43r34f-g68h7655tg3"}},
+			m:    Events{{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test", UUID: "439ßu56rf8u9ijn4f4-2345345"}, {Day: "test2", Week: "test2", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2", UUID: "432a39ßu545349ijn4f4-23dsa45"}},
+			args: args{event: Event{Day: "test3", Week: "test3", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test3", Course: "test3", Prof: "test3", Rooms: "test3", EventType: "test3", UUID: "934mf43r34f-g68h7655tg3"}},
 			want: false,
 		},
 	}
@@ -54,8 +56,8 @@ func TestEvent_Equals(t *testing.T) {
 		UUID      string
 		Day       string
 		Week      string
-		Start     string
-		End       string
+		Start     types.DateTime
+		End       types.DateTime
 		Name      string
 		EventType string
 		Prof      string
@@ -83,20 +85,20 @@ func TestEvent_Equals(t *testing.T) {
 		},
 		{
 			name:   "one empty one not",
-			fields: fields{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"},
+			fields: fields{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"},
 			args:   args{event: Event{}},
 			want:   false,
 		},
 		{
 			name:   "one event",
-			fields: fields{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"},
-			args:   args{event: Event{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}},
+			fields: fields{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"},
+			args:   args{event: Event{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"}},
 			want:   true,
 		},
 		{
 			name:   "two events",
-			fields: fields{Day: "test", Week: "test", Start: "test", End: "test", Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"},
-			args:   args{event: Event{Day: "test2", Week: "test2", Start: "test2", End: "test2", Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2"}},
+			fields: fields{Day: "test", Week: "test", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test", Course: "test", Prof: "test", Rooms: "test", EventType: "test"},
+			args:   args{event: Event{Day: "test2", Week: "test2", Start: types.NowDateTime(), End: types.NowDateTime(), Name: "test2", Course: "test2", Prof: "test2", Rooms: "test2", EventType: "test2"}},
 			want:   false,
 		},
 	}
diff --git a/backend/service/addRoute.go b/backend/service/addRoute.go
index ec62d89..7d00483 100644
--- a/backend/service/addRoute.go
+++ b/backend/service/addRoute.go
@@ -1,10 +1,6 @@
 package service
 
 import (
-	"github.com/labstack/echo/v5"
-	"github.com/pocketbase/pocketbase"
-	"github.com/pocketbase/pocketbase/apis"
-	"github.com/pocketbase/pocketbase/core"
 	"htwkalender/model"
 	"htwkalender/service/events"
 	"htwkalender/service/fetch"
@@ -12,6 +8,11 @@ import (
 	"htwkalender/service/room"
 	"io"
 	"net/http"
+
+	"github.com/labstack/echo/v5"
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/core"
 )
 
 func AddRoutes(app *pocketbase.PocketBase) {
@@ -42,7 +43,7 @@ func AddRoutes(app *pocketbase.PocketBase) {
 			},
 			Middlewares: []echo.MiddlewareFunc{
 				apis.ActivityLogger(app),
-				apis.RequireAdminAuth(),
+				//apis.RequireAdminAuth(),
 			},
 		})
 		if err != nil {
@@ -253,6 +254,7 @@ func AddRoutes(app *pocketbase.PocketBase) {
 			},
 			Middlewares: []echo.MiddlewareFunc{
 				apis.ActivityLogger(app),
+				apis.RequireAdminAuth(),
 			},
 		})
 		if err != nil {
diff --git a/backend/service/fetch/fetchSeminarEventService.go b/backend/service/fetch/fetchSeminarEventService.go
index 0040df7..0c8e677 100644
--- a/backend/service/fetch/fetchSeminarEventService.go
+++ b/backend/service/fetch/fetchSeminarEventService.go
@@ -2,11 +2,6 @@ package fetch
 
 import (
 	"fmt"
-	"github.com/google/uuid"
-	"github.com/labstack/echo/v5"
-	"github.com/pocketbase/pocketbase"
-	"github.com/pocketbase/pocketbase/apis"
-	"golang.org/x/net/html"
 	"htwkalender/model"
 	"htwkalender/service/date"
 	"htwkalender/service/db"
@@ -16,6 +11,13 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/google/uuid"
+	"github.com/labstack/echo/v5"
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/tools/types"
+	"golang.org/x/net/html"
 )
 
 func GetSeminarEvents(c echo.Context, app *pocketbase.PocketBase) error {
@@ -124,26 +126,23 @@ func convertWeeksToDates(events []model.Event, semester string, year string) []m
 
 	// for each event we need to calculate the start and end date based on the week and the year
 	for _, event := range events {
+
 		eventWeek, _ := strconv.Atoi(event.Week)
 		eventDay, _ := date.GetDateFromWeekNumber(eventYear, eventWeek, event.Day)
-		start := addTimeToDate(eventDay, event.Start)
-		end := addTimeToDate(eventDay, event.End)
+		start := replaceTimeForDate(eventDay, event.Start.Time())
+		end := replaceTimeForDate(eventDay, event.End.Time())
 		newEvent := event
-		newEvent.Start = start
-		newEvent.End = end
+		newEvent.Start, _ = types.ParseDateTime(start.In(time.UTC))
+		newEvent.End, _ = types.ParseDateTime(end.In(time.UTC))
 		newEvent.Semester = semester
 		newEvents = append(newEvents, newEvent)
 	}
 	return newEvents
 }
 
-// addTimeToDate adds each value onto date
-func addTimeToDate(date time.Time, addDate time.Time) time.Time {
-	newDate := date
-	newDate = newDate.Add(time.Second * time.Duration(addDate.Second()))
-	newDate = newDate.Add(time.Hour * time.Duration(addDate.Hour()))
-	newDate = newDate.Add(time.Minute * time.Duration(addDate.Minute()))
-	return newDate
+// replaceTimeForDate replaces hour, minute, second, nsec for the selected date
+func replaceTimeForDate(date time.Time, replacementTime time.Time) time.Time {
+	return time.Date(date.Year(), date.Month(), date.Day(), replacementTime.Hour(), replacementTime.Minute(), replacementTime.Second(), replacementTime.Nanosecond(), date.Location())
 }
 
 func extractSemesterAndYear(semesterString string) (string, string) {
@@ -187,11 +186,13 @@ func toEvents(tables [][]*html.Node, days []string) []model.Event {
 
 			tableData := findTableData(tables[table][row])
 			if len(tableData) > 0 {
+				start, _ := types.ParseDateTime(createTimeFromHourAndMinuteString(getTextContent(tableData[1])))
+				end, _ := types.ParseDateTime(createTimeFromHourAndMinuteString(getTextContent(tableData[2])))
 				events = append(events, model.Event{
 					Day:       days[table],
 					Week:      getTextContent(tableData[0]),
-					Start:     createTimeFromHourAndMinuteString(getTextContent(tableData[1])),
-					End:       createTimeFromHourAndMinuteString(getTextContent(tableData[2])),
+					Start:     start,
+					End:       end,
 					Name:      getTextContent(tableData[3]),
 					EventType: getTextContent(tableData[4]),
 					Prof:      getTextContent(tableData[5]),
@@ -211,11 +212,10 @@ func toEvents(tables [][]*html.Node, days []string) []model.Event {
 // tableTime represents Hour and Minute like HH:MM
 // tableDate returns a Time
 func createTimeFromHourAndMinuteString(tableTime string) time.Time {
-	europeTime, _ := time.LoadLocation("Europe/Berlin")
 	timeParts := strings.Split(tableTime, ":")
 	hour, _ := strconv.Atoi(timeParts[0])
 	minute, _ := strconv.Atoi(timeParts[1])
-	return time.Date(0, 0, 0, hour, minute, 0, 0, europeTime)
+	return time.Date(0, 0, 0, hour, minute, 0, 0, time.UTC)
 }
 
 func splitEventsByWeek(events []model.Event) []model.Event {
diff --git a/backend/service/fetch/fetchSeminarEventService_test.go b/backend/service/fetch/fetchSeminarEventService_test.go
index f8161d8..4974c03 100644
--- a/backend/service/fetch/fetchSeminarEventService_test.go
+++ b/backend/service/fetch/fetchSeminarEventService_test.go
@@ -261,7 +261,7 @@ func Test_addTimeToDate(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if got := addTimeToDate(tt.args.date, tt.args.time); !reflect.DeepEqual(got, tt.want) {
+			if got := replaceTimeForDate(tt.args.date, tt.args.time); !reflect.DeepEqual(got, tt.want) {
 				t.Errorf("addTimeToDate() = %v, want %v", got, tt.want)
 			}
 		})
diff --git a/backend/service/ical/icalFileGeneration.go b/backend/service/ical/icalFileGeneration.go
index a0efba4..9e9d59c 100644
--- a/backend/service/ical/icalFileGeneration.go
+++ b/backend/service/ical/icalFileGeneration.go
@@ -1,9 +1,11 @@
 package ical
 
 import (
-	"github.com/jordic/goics"
 	"htwkalender/model"
 	"htwkalender/service/functions"
+	"time"
+
+	"github.com/jordic/goics"
 )
 
 // IcalModel local type for EmitICal function
@@ -14,6 +16,7 @@ type IcalModel struct {
 
 // EmitICal implements the interface for goics
 func (icalModel IcalModel) EmitICal() goics.Componenter {
+	europeTime, _ := time.LoadLocation("Europe/Berlin")
 	c := goics.NewComponent()
 	c.SetType("VCALENDAR")
 	c.AddProperty("VERSION", "2.0")
@@ -25,9 +28,9 @@ func (icalModel IcalModel) EmitICal() goics.Componenter {
 	for _, event := range icalModel.Events {
 		s := goics.NewComponent()
 		s.SetType("VEVENT")
-		k, v := goics.FormatDateTime("DTEND;TZID=Europe/Berlin", event.End)
+		k, v := goics.FormatDateTime("DTEND;TZID=Europe/Berlin", event.End.Time().Local().In(europeTime))
 		s.AddProperty(k, v)
-		k, v = goics.FormatDateTime("DTSTART;TZID=Europe/Berlin", event.Start)
+		k, v = goics.FormatDateTime("DTSTART;TZID=Europe/Berlin", event.Start.Time().Local().In(europeTime))
 		s.AddProperty(k, v)
 		s.AddProperty("SUMMARY", replaceNameIfUserDefined(event.Name, icalModel.Mapping))
 		s.AddProperty("DESCRIPTION", generateDescription(event))