"Sonntag" ("Sunday") was the Austrian representative in the Eurovision Song Contest 1982, performed in German by Mess.
The song was performed tenth on the night, following Sweden's Chips with "Dag efter dag" and preceding Belgium's Stella with "Si tu aimes ma musique". At the close of voting, it had received 57 points, placing 9th in a field of 18.
The song is in praise of lying around on a Sunday, which is described as being one of the best things to do.
It was succeeded as Austrian representative in the 1983 Contest by Westend singing "Hurricane".