Castelo Ra Tim Bum is a Brazilian children's television series broadcast by TV Cultura in the 1990s, remembered for its castle setting, puppets and characters who spoke directly to young viewers. The announcer clock was part of that daily routine, marking transitions with a clear, cheerful voice that children learned to anticipate. Decades later the line circulates online as a short audio clip, shared in messages and soundboards whenever someone wants a nostalgic, unmistakable way to say time is up and the day should end.