Interestingly, technically the time of the event changed with the hypothetical TZ law changes. The event was going to be n hours from now, but with the TZ law change, it got moved to be n+1 hours away.

If the convention hall could be booked hourly and had different events every hour, suddenly a slot would've opened up, at the 2 AM on the DST-change Sunday, the hour which would've not existed if the daylight savings law stayed the same...