Pope and Monti exchange birthday, name day greetings
Italian PM turns 69, pontiff marks St Joseph's Day19 March, 13:54
Both sides said the telephone conversation had been "very cordial".
Monti was born on March 19, 1943 and so turned 69 on Monday.
The birth name of the pope, 84, is Joseph Ratzinger.
Catholics called Joseph celebrate March 19 as their name day after Jesus's earthly father, the carpenter Joseph, and the day is also Father's Day in many countries.