diff --git a/Rocky-9-Container-Base.ks b/Rocky-9-Container-Base.ks
index f9505aa..95e05ff 100644
--- a/Rocky-9-Container-Base.ks
+++ b/Rocky-9-Container-Base.ks
@@ -14,7 +14,7 @@ shutdown
 
 keyboard us
 lang en_US.UTF-8
-timezone --isUtc --nontp UTC
+timezone --utc --ntp-disable UTC
 
 # Disk setup
 zerombr
diff --git a/Rocky-9-Container-Minimal.ks b/Rocky-9-Container-Minimal.ks
index 58d79da..51471e7 100644
--- a/Rocky-9-Container-Minimal.ks
+++ b/Rocky-9-Container-Minimal.ks
@@ -13,7 +13,7 @@ shutdown
 
 keyboard us
 lang en_US.UTF-8
-timezone --isUtc --nontp UTC
+timezone --utc --ntp-disable UTC
 
 # Disk setup
 zerombr
diff --git a/Rocky-9-EC2.ks b/Rocky-9-EC2.ks
index 9ca516e..237d73d 100644
--- a/Rocky-9-EC2.ks
+++ b/Rocky-9-EC2.ks
@@ -13,7 +13,7 @@ network  --hostname=localhost.localdomain
 rootpw --iscrypted thereisnopasswordanditslocked
 selinux --enforcing
 services --disabled="kdump" --enabled="NetworkManager,sshd,rsyslog,chronyd,cloud-init,cloud-init-local,cloud-config,cloud-final,rngd"
-timezone UTC --isUtc
+timezone UTC --utc
 # Disk
 bootloader --append="console=ttyS0,115200n8 no_timer_check crashkernel=auto net.ifnames=0 nvme_core.io_timeout=4294967295 nvme_core.max_retries=10" --location=mbr --timeout=1 --boot-drive=vda 
 zerombr
diff --git a/Rocky-9-GenericCloud.ks b/Rocky-9-GenericCloud.ks
index f1d9d41..8d1392c 100644
--- a/Rocky-9-GenericCloud.ks
+++ b/Rocky-9-GenericCloud.ks
@@ -14,7 +14,7 @@ network  --hostname=localhost.localdomain
 rootpw --iscrypted thereisnopasswordanditslocked
 selinux --enforcing
 services --disabled="kdump" --enabled="NetworkManager,sshd,rsyslog,chronyd,cloud-init,cloud-init-local,cloud-config,cloud-final,rngd"
-timezone UTC --isUtc
+timezone --utc UTC
 # Disk
 bootloader --append="console=ttyS0,115200n8 no_timer_check crashkernel=auto net.ifnames=0" --location=mbr --timeout=1 --boot-drive=vda
 zerombr