To diplay todays date:

Markup Text
Displayed as
Today is !today. Today is 26 Oct, 2021.
XML is !today -xml. XML is 2021-10-26T11:29:22.
Right now it is !today -t. Right now it is 26 Oct, 2021 11:29.
Tomorrow is !today +1. Tomorrow is 27 Oct, 2021.
Last week was !today -7. Last week was 19 Oct, 2021.
The month is !today (MMM). The month is Oct.

As you can see, you can add or subtract days. You can include the time tiwh -t. And you can use your own format for the time. (See SimpleDataFormat for the syntax.)