There is no time difference between Brasilia, Brazil and Santiago, Chile currently.
Brasilia doesn't observe daylight saving time but Santiago does. DST in Santiago started on 08 September 2019 and will end on 05 April 2020. Once DST ends, Brasilia and Santiago time difference will be 1:0 hour.
See distance from Brasilia to Santiago
3:44 pm Monday, in Brasilia, Distrito Federal, Brazil is 3:44 pm Monday, in Santiago, Chile