I have no idea what the event will be, but Petrov Day itself is the 26th of September, and given that LW users are in many timezones my expectation is that there will be no specific time you need to be available on that day.
I have no idea what the event will be, but Petrov Day itself is the 26th of September, and given that LW users are in many timezones my expectation is that there will be no specific time you need to be available on that day.