Tel Aviv is 5 hours ahead of Brasília
Best overlap: 8:00 AM to 1:00 PM in Brasília is 1:00 PM to 6:00 PM in Tel Aviv.
If you set up a recurring sync, 8:00 AM to 1:00 PM in Brasília (1:00 PM to 6:00 PM in Tel Aviv) is the natural home for it. Tel Aviv is 5 hours ahead of Brasília, which gives you a solid 5-hour window. Book earlier in it and neither side is rushing. Remember that Tel Aviv shifts for daylight saving and Brasília doesn't, so recalculate the overlap after each clock change.