During the day wouldn’t be ideal either, but it’s dark at 5pm there. If they wanted it for the lights they could run it in the dark 4-5 hours earlier when the US could watch, but that would then make it an inconvenient time for the european viewers, which have clearly been made the priority
Edit: Also the temperatures aren’t a concern. It’ll be 20C air temp high this week. There’s no heat concerns, and anyone who’s saying there is has no idea what they’re talking about.
During the day wouldn’t be ideal either, but it’s dark at 5pm there. If they wanted it for the lights they could run it in the dark 4-5 hours earlier when the US could watch, but that would then make it an inconvenient time for the european viewers, which have clearly been made the priority
Edit: Also the temperatures aren’t a concern. It’ll be 20C air temp high this week. There’s no heat concerns, and anyone who’s saying there is has no idea what they’re talking about.