if you're doing it in a query you'd have to use a nested if statement like:
Code:
DayText: iif(isnull([date of burial]), null, iif(weekday([date of burial]) = 1, "Sunday", iif(weekday([date of burial]) = 2, "Monday",iif(weekday([date of burial]) = 3, "Tuesday",iif(weekday([date of burial]) = 4, "Wednesday",iif(weekday([date of burial]) = 5, "Thursday",iif(weekday([date of burial]) = 6, "Friday",iif(weekday([date of burial]) = 7, "Saturday", "Unknown"))))))))
didn't test the code so I may be off on the parentheses but you get the idea.