The following Lava code examples are used in this video:

{% assign hour = 'Now' | Date:'H' %}

{% if hour <= 12 %}
    Good Morning!
{% elseif hour < 18 %}
    Good Afternoon!
{% else %}    
    Good Evening!
{% endif %}

{% if 'Now' | Date:'H' %}
    Good Morning!
{% elseif hour < 18 %}
    Good Afternoon!
{% else %}    
    Good Evening!
{% endif %}