Today we have

• By default, "now" is defined as the current time according to the virtual machine, applying the current default time
  + * zone if needed. If required, an alternative
  Unknown macro: {@link ClockProvider}

  can be specified when bootstrapping a validator
  + * factory or validator, allowing to customize the

  Unknown macro: {@link Clock}

  representing the current instant, date and time.

I think the text should be more neutral on the feature.
Now is defined by the clock provider. The default clock provider will provide the current time of the VM.
Something better phrased but approaching.

If we start explaining how to use side features every time there is a correlation, we will have lots of dupes.