We could do wonders in Custom Code with CSS Calc if we could access the individual elements as we can do everywhere else with this field.
(To clarify, the Date formatting is already available in the CMS binding settings for text elements, just not in the embed bindings.)
Without it, if we want to do calculations on dates, we have to waste a tons of fields and makes the use of the CMS less than ideal.
https://dl.dropboxusercontent.com/s%2Fx32bh0yavkjpgn0%2FWebflow%2520-%2520Manifest%25202020-08-07%252011-55-38.png
I think this is described here: https://forum.webflow.com/t/alter-date-field-format-in-custom-code-embed/118511