Advance to daylight timing tonight?

I just use WWV, well, I did until cellphones came along. They are always right...............

WOW, they've been around for 100 years as of 2019

NIST Radio Station WWV Celebrates a Century of Service

When I was in school, I played like I was playing violin. Our home piano was in poor tune, and sometimes I'd use WWV to get an "A" (440 hz, A above middle C) You had to be careful, for some periods of the day, they would send "D" instead

WWV parody