undercloud deployment fails with "Error message:\ngiven timezone \"EDT\" is not available""

Environment:
python3-tripleoclient-11.2.1-0.20190313150340.969e01a.el8ost.noarch

[stack@undercloud-0 ~]$ date
Fri Mar 15 15:49:37 EDT 2019



Steps to reproduce:

Try deploy undercloud on a system with time zone set to EDT

Result:

TASK [Set timezone to EDT] *******************************************************************************************************************************************************************
fatal: [undercloud-0]: FAILED! => {"changed": false, "msg": "Error message:\ngiven timezone \"EDT\" is not available"}

NO MORE HOSTS LEFT ***************************************************************************************************************************************************************************

PLAY RECAP ***********************************************************************************************************************************************************************************
undercloud-0               : ok=199  changed=66   unreachable=0    failed=1

Exception: Deployment failed
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tripleoclient/v1/tripleo_deploy.py", line 1256, in _standalone_deploy
    raise exceptions.DeploymentError('Deployment failed')
tripleoclient.exceptions.DeploymentError: Deployment failed
None
Install artifact is located at /home/stack/undercloud-install-20190315191557.tar.bzip2

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Deployment Failed!

ERROR: Heat log files: /var/log/heat-launcher/undercloud_deploy-ioaows1b

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Deployment failed.