TEXT(YEAR(TODAY() + 1)) & "-" &
IF(MONTH(TODAY() + 1) < 10, "0" & TEXT(MONTH(TODAY() + 1)), TEXT(MONTH(TODAY() + 1))) & "-" &
IF(DAY(TODAY() + 1) < 10, "0" & TEXT(DAY(TODAY() + 1)), TEXT(DAY(TODAY() + 1))) & "T08:30"