Yes, as the load changes on the grid the frequency of the grid will slow down/sp...

X-Istence on Oct 31, 2013 | parent | context | favorite | on: Why does the alarm clock snooze button give you ni...

Yes, as the load changes on the grid the frequency of the grid will slow down/speed up. So yes alarm clocks and other time keeping devices will be a little slow during those times the frequency itself is slow.