Open Activity Monitor. If kernel_task is the top of the CPU % list and hogging its cores, what should you do? Can Energy Modes help?
summer
Why you shouldn’t try killing kernel_task, but take action to help cool your Mac and reduce the heat it’s producing.
It’s surprising that macOS can be slower to fully register the annual ‘spring forward’ change than you are walking round manually changing your clocks.
Strange behaviour when entering times, datestamps which suddenly leap forward – some of the changes seen when the clocks go forward.
Summer is allegedly coming: the season when your Mac could see its harshest use. Does yours get too hot?
The Eclectic Light Company 