Rio will move its clocks forward one hour at zero hour on Sunday, 19 October. The city will remain on summer time until Sunday, 22 February, the Sunday after carnival.
With summer time in parts of Brazil, the country will have three time zones. The first includes Rio and the country’s capital, Brasília, as well as all the states in the South and South East, as well as Goiás. The second, which is one hour behind, includes the states in the Northeast as well as Pará, Amapá, Tocantins, Mato Grosso and Mato Grosso do Sul. The third, two hours behind Brasília, includes Acre, Amazonas, Roraima and Rondônia.