mhhhhhhh, good! and I scripted this here at last:
alias mytime {
if ($right($1,2) < 59) && ($mid($1,4,2) < 59) {
if ($len($calc($right($1,2) + 1)) != 1) {
return $left($1,6) $+ $calc($right($1,2) + 1)
}
if ($len($calc($right($1,2) + 1)) == 1) {
return $left($1,6) $+ 0 $+ $calc($right($1,2) + 1)
}
}
if ($right($1,2) == 59) && ($mid($1,4,2) < 59) {
return $left($1,3) $+ $calc($mid($1,4,2) + 1) $+ :00
}
if ($right($1,2) < 59) && ($mid($1,4,2) == 59) {
if ($len($calc($right($1,2) + 1)) != 1) {
return $left($1,6) $+ $calc($right($1,2) + 1)
}
if ($len($calc($right($1,2) + 1)) == 1) {
return $left($1,6) $+ 0 $+ $calc($right($1,2) + 1)
}
}
if ($right($1,2) == 59) && ($mid($1,4,2) == 59) {
if ($calc($left($1,2) + 1) == 24) {
return 00:00:00
}
if ($len($calc($left($1,2) + 1)) == 1) {
return 0 $+ $calc($left($1,2) + 1) $+ :00:00
}
if ($len($calc($left($1,2) + 1)) != 1) {
return $calc($left($1,2) + 1) $+ :00:00
}
}
}

Mathias