Login to Aruba 2530 Switch via SSH and go to configuration mode

ssh manager@192.168.1.100
SW#conf t

Configure Timezone (Malaysia), Date & Time manually

clock set MM/DD/YYYY
clock set HH/MM/SS
time timezone 480

Configure Aruba 2530 Switch to point to DNS Server for name resolution

ip dns server-address priority 1 192.168.1.221
ip dns server-address priority 2 192.168.1.222

Configure NTP to sync with time.windows.com

timesync ntp
ntp unicast
ntp server-name time.windows.com iburst
ntp enable 

Verify NTP sync is working fine with “show ntp status”

show ntp status

Save the Configuration

wri mem