It is match number 6 on the 14th of June 2014, between Ivory Coast and Japan, that starts at 22.00 (UTC-03).
Why is that?
According to the fifa website, four matches are scheduled on Saturday 14 June:
Four matches are needed on Saturday 14 June because only one match will be played on Thursday 12 June after the opening ceremony. The late starting time is needed in order to observe 3 hours between every starting time