The time in most of Brazil visited by foreign tourists is Brasília Time (BRT) which is 3 hours behind Greenwich Mean Time ( GMT-3 ). This is also true of Rio de Janeiro , São Paulo , Brasilia , Bahia, Minas Gerais etc.
Time in Brazil is determined at state level. Some states on BRT used to observe Summer Time ( BRST ), until 2019, when the government decided to give up Daylight Saving.