I read an essay once by Isaac Asimov about this fact .. and I remember that in russia they hadn't fully switched when he was born, but did before his family imm

I read an essay once by Isaac Asimov about this fact .. and I remember that in russia they hadn't fully switched when he was born, but did before his family immigrated to America. By that time the loss was 13 days, and he ended the essay by saying, "Where are my thirteen days? Give me my thirteen days!"