How to change server time zone

Check current time by entering

date

into console.

Available timezones could be found in /usr/share/zoneinfo

You have to choose correct timezone file and copy it on top of /etc/localtime file.

Example if your server is in Dublin , Europe:

cp /usr/share/zoneinfo/Europe/Dublin /etc/localtime

Next step, change hardware clock time to your localtime:

hwclock --systohc

Check hardware clock time by running:

hwclock --show

Then restart asterisk, if this doesn't help, restart your server.