While your phone will probably adapt automagically, your wall clocks, microwaves, and car dash clocks likely won’t.
So…
Don’t forget to set your clocks ahead this weekend, especially if you are taking (or teaching) one of the following classes on Sunday.
Yay! Time travel, the old-fashioned way!
We’ll go an hour into the future, but to us it will seem instantaneous. 
About the only good thing about DST is in the fall. Not because you get the “extra” hour, but because bars and taverns do two last calls the day it rolls over.