TV Globo (formerly Rede Globo) is the main producer of telenovelas in Brazil. Its productions are split into five different categories, according to the airtime. Novelas airing at 9:00 p.m. (known as "novela das nove"), or 8:00 p.m ("novela das oito") telenovela, but these programs are never broadcast at 8:00 p.m, the earliest known time that a novela of this period has aired was 8:30 p.m.) feature plots that tend to be more formulaic, although a wider range of themes are explored. These productions include elements of action, romance and humour and usually last longer than the other novelas. These productions usually garner the highest ratings. These categories became widely adopted by most television companies in Brazil.