There's this magical place called the Southern Hemisphere, the water spins round a drain the other way and Summer happens in place of Winter! I know! How bizarre!
It seems Dell doesn't seem to know of this magical place because Summer Time doesn't allow the start month (eg: October) to be after the end month (eg: April)
Dell Networking N3024 running 6.2.0.5. I'm assuming Dell™ Networking N4064/N4064F/N4032/N4032F/8100/N3048P/N3048/N3024P/N3024/N3024F/N2048P/N2048/N2024P/N2024 are affected.