Be careful please!  Entries are scheduled using in Coordinated Universal Time (UTC) but may be displayed in your local time zone. Look at individual calendar entries to be certain – downloading events to your calendar is helpful. To check, here is a time zone calculator.

Tutorial #4, X3D Ontology

Online at https://web3d.siggraph.org/event/tutorial-4 Please see X3D Ontology for Semantic Web Query of 3D Models and Metadata for more information.

Did you check the time zone?  We hope to see you there!