Site Feedback : month short form

At the bottom of the viz, the date is mentioned, like 1 January 2020,
Wondering January can be written as Jan.

It could be, but I don’t see the advantage of using the shorter forms. What benefit would that bring? IMO “January” is more explicit and clear than “Jan”.

Most of the web pages use short forms.

I’m not sure that’s the case. Can you provide some examples?

bl.ocks.org for example uses the full month.

YouTube uses the short form:

yes some use short form some long