3 ms·Maybe I’m missing something but then what is 30 days after Christmas? 25389?by alexanderchr 1y agoMaybe I’m missing something but then what is 30 days after Christmas? 25389?mpyne 1y ago25389 mod 365, presumably. The very fancy mainframes probably would pick the appropriate modulus based on whether it was a leap year or not.cortesoft 1y agoWhat happens when you want to add more than 365 days to a date, then?