My answer - 11:55.

Game is Diablo, city is Dublin.

From Dublin to Warsaw - 1825km (http://www.prokerala.com/travel/distance/from-dublin-ireland/to-warsaw-poland/).

690km with average velocity 460km/h means 690km in 1,5h. From ratio I got 3,967391304347826 so ~~ 4h.

7:30 + 4h = 11:30. But Warsaw is in +1 time zone, so 12:30.

12:30 - 35min = 11:55.