Challenge 149

Logic zoo

Difficulty level:

At the time when the animals were talking, in a forest lived Dona Onça and Dona Hyena, inseparable comadres, with peculiar characteristics. Dona Hyena lies on Mondays, Tuesdays and Wednesdays. Dona Onça lies on Thursdays, Fridays and Saturdays. On days that don't lie, they tell the truth.

Once, during a meeting, Dona Hiena and Dona Onça talked:
- Hello, Dona Onça! Yesterday I lied said Dona Hyena.
- Hello, Dona Hyena! I also lied yesterday replied Dona Onça.
What day was this meeting?