THEME: DST letter combination in random phrases
GOOD ONES: Annual cause of losing an hr.'s sleep {theme} DST [I'm an hour late because I did not lose the hour

]
Holidays dishes? CHINA
Private club, briefly? USO
Where glasses may be raised? OPERA
Cooler cooler ICE
Pair of duffers? EFFS [2 F's in the word]
Seeing things EYES
Arrives home safely, perhaps SLIDES [in baseball --- to avoid being tagged out]
BTW: Other baseball clues today foreshadow Opening Day on 4/1, but I don't know who had 12 RBI's in one game --- which is 3 weeks' work for good hitters.
Env. contents ENCS [I had ENCL, which is better, yet was forced to write-over!]

This puzzle exemplifies how one can be easy yet clever and
a propos of the day.
RATING:

Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun