greetings.yaml

---
- name: date and time demo
  hosts: localhost
  connection: local
  gather_facts: true
  tasks:
    - name: time of day
      vars:
        afternoon: 'afternoon'
        morning: "{{ 'morning' if ansible_date_time.hour < '12' else afternoon }}"
        period: "{{ 'evening' if ansible_date_time.hour >= '17' else morning }}"
      debug: msg="{{ 'Good ' +  period + '!' }}"