In some (most?) cases it will be more useful to base time rules on the user's clock, e.g. using the time rule to say 'Good morning' when the user is in Delhi and the server is in Cape Town.
In any case, the behaviour should be clarified for segment creators.
The date and time rules are currently based on the server's clock:
https://github.com/LabD/wagtail-personalisation/blob/master/src/wagtail_personalisation/rules.py#L77
In some (most?) cases it will be more useful to base time rules on the user's clock, e.g. using the time rule to say 'Good morning' when the user is in Delhi and the server is in Cape Town.
In any case, the behaviour should be clarified for segment creators.