diff --git a/go.mod b/go.mod
index c18ee59..43fcd31 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,6 @@ require (
 	github.com/microcosm-cc/bluemonday v1.0.27
 	github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8
 	github.com/stretchr/testify v1.9.0
-	github.com/thlib/go-timezone-local v0.0.3
 	github.com/urfave/cli/v2 v2.27.2
 	go.uber.org/ratelimit v0.3.1
 	golang.org/x/oauth2 v0.22.0
diff --git a/go.sum b/go.sum
index c3e37a2..4880266 100644
--- a/go.sum
+++ b/go.sum
@@ -120,8 +120,6 @@ github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8
 github.com/teambition/rrule-go v1.7.2/go.mod h1:mBJ1Ht5uboJ6jexKdNUJg2NcwP8uUMNvStWXlJD3MvU=
 github.com/teambition/rrule-go v1.8.2 h1:lIjpjvWTj9fFUZCmuoVDrKVOtdiyzbzc93qTmRVe/J8=
 github.com/teambition/rrule-go v1.8.2/go.mod h1:Ieq5AbrKGciP1V//Wq8ktsTXwSwJHDD5mD/wLBGl3p4=
-github.com/thlib/go-timezone-local v0.0.3 h1:ie5XtZWG5lQ4+1MtC5KZ/FeWlOKzW2nPoUnXYUbV/1s=
-github.com/thlib/go-timezone-local v0.0.3/go.mod h1:/Tnicc6m/lsJE0irFMA0LfIwTBo4QP7A8IfyIv4zZKI=
 github.com/urfave/cli/v2 v2.27.2 h1:6e0H+AkS+zDckwPCUrZkKX38mRaau4nL2uipkJpbkcI=
 github.com/urfave/cli/v2 v2.27.2/go.mod h1:g0+79LmHHATl7DAcHO99smiR/T7uGLw84w8Y42x+4eM=
 github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 h1:+qGGcbkzsfDQNPPe9UDgpxAWQrhbbBXOYJFQDq/dtJw=
@@ -171,7 +169,6 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210616045830-e2b7044e8c71/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210831042530-f4d43177bf5e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
 golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
diff --git a/internal/adapter/outlook_http/client.go b/internal/adapter/outlook_http/client.go
index 37aae49..07ed1dd 100644
--- a/internal/adapter/outlook_http/client.go
+++ b/internal/adapter/outlook_http/client.go
@@ -12,7 +12,6 @@ import (
 	"time"
 
 	"github.com/charmbracelet/log"
-	"github.com/thlib/go-timezone-local/tzlocal"
 
 	"github.com/inovex/CalendarSync/internal/models"
 )
@@ -190,16 +189,10 @@ func (o OutlookClient) eventToOutlookEvent(e models.Event) (oe Event) {
 	outlookEvent := Event{}
 	outlookEvent.Location.Name = e.Location
 
-	// microsoft expects iana time zone codes, but the go standard library returns abbreviations like "CET"
-	// NOTE: This may not work when events get imported from other time zones, i would expect golang to properly format the time strings correctly using the local runtime timezone
-	tzname, err := tzlocal.RuntimeTZ()
-	if err != nil {
-		tzname = "UTC"
-	}
-	outlookEvent.Start.DateTime = e.StartTime.Format(timeFormat)
-	outlookEvent.Start.TimeZone = tzname
-	outlookEvent.End.DateTime = e.EndTime.Format(timeFormat)
-	outlookEvent.End.TimeZone = tzname
+	outlookEvent.Start.DateTime = e.StartTime.UTC().Format(timeFormat)
+	outlookEvent.Start.TimeZone = "UTC"
+	outlookEvent.End.DateTime = e.EndTime.UTC().Format(timeFormat)
+	outlookEvent.End.TimeZone = "UTC"
 
 	outlookEvent.Subject = e.Title
 	outlookEvent.ID = e.ID