How do I establish the timezone of the client?

[campopianoa]

This might help:

Time Zone issues

Hi folks, Anvil actually takes extreme care with Python datetime objects, because dealing with timezones is such a minefield. Here’s how it works: Any timezone-aware datetime object retains its timezone when transferred in any direction between client, server and Data Tables. Any naïve datetime object that is transferred between client and server gets automatically ‘stamped’ with the timezone of the place where it was created before it is transferred. This means that datetime objects generate…