public static LocalDate dateOfEpochDay(long epochDay){
        return LocalDate.ofEpochDay(epochDay);
    }
Obtains an instance of LocalDate from the number of days since the epoch.
This returns a LocalDate with the specified epoch-of-day.
@param epochDay the number of days from epoch
@return the local date, not null
src/main/java/org/replicadb/time/Conversions.java