a)
function day = getYearStartDay ( year ) day = 1; for i = 1900:( year -1) if isLeapYear (i) day = day + 2; else day = day + 1; end if day >= 8 day = day - 7; end end end
b)
function day = getMonthStartDay ( year , month ) if month > 0 && month < 13 day = getYearStartDay ( year ); for i = 1 : month -1 day = day + daysInMonth (year , i); end while ( day > 7) day = day - 7; end else day = 0; end end