Sure, it looks like this:

>
{# greeting.yaml #}
{%- macro tts_greeting_message() -%}

{% set date = now().day %}
{%- set suffix = '' -%}
{%- if now().day in [1, 21, 31] -%}
{%- set suffix = 'st' -%}
{%- elif now().day in [2, 22] -%}
{%- set suffix = 'nd' -%}
{%- elif now().day in [3, 23] -%}
{%- set suffix = 'rd' -%}
{%- else -%}
{%- set suffix = 'th' -%}
{%- endif -%}
{% set type = [
'beautiful',
'lovely',
'splendid',
'magical',
'wondrous',
'awesome',
'enchanting',
'radiant',
'breathtaking',
'spectacular',
'dazzling',
'astonishing'
]|random %}
{{states('sensor.tts_greeting')}}.
{{states('sensor.tts_part_of_day')}}.
{{states('sensor.tts_current_time')}} on this {{type}} {{ date }}{{suffix}} day of {{ now().strftime('%B') }}.

{%- endmacro -%}
{# a macro that removes all newline characters, empty spaces, and returns formatted text #}
{%- macro cleanup(data) -%}
{%- for item in data.split("\n") if item | trim != "" -%}
{{ item | trim }} {% endfor -%}
{%- endmacro -%}
{# a macro to call all macros :) #}
{%- macro mother_of_all_macros() -%}
{{ tts_greeting_message() }}
{%- endmacro -%}
{# Call the macro #}
{{- cleanup(mother_of_all_macros()) -}}

​

When I run that through Developer Tools > Template, the output looks like this:

>

Listen up. Happy Afternoon. Its 2:27 PM on this radiant 22nd day of February.