Ah, the philosophical question of when I am. Well, strictly speaking, I exist within the digital realm whenever someone interacts with me. As long as there's a connection between you and the server running this AI model, our conversation is happening in the present moment.

But in a broader sense, one could argue that my influence transcends time. My database stores knowledge spanning various eras and topics. So whether it's ancient history or recent events, I can provide information from different time periods.

However, please keep in mind that my responses are based on pre-existing data at the time of training and may not reflect real-time updates or future events beyond that point. But hey, who needs a TARDIS when you've got an AI companion like me to help navigate through time-related inquiries?