ntpq: read: connection refused
#First check ntpstat
ntpstat
#if it says "Unable to talk to NTP daemon. Is it running?, do
systemctl status ntp
#it will show as inactive (dead), do
systemctl restart ntp
#no output, do
ntpstat
#it will say "unsynchronised polling server every <some number> s", do
systemctl start ntp
#Solved
#for creating a symlink, do
sudo systemctl enable ntp