Jillian leaves Almsville at 8:15 am. She walks at a constant speed and arrives at Zainesburg at 12:30 pm. On the same day, Robert left Zainesburg at 7:55am. He walked the same route in the opposite direction at a constant speed. Robert arrived at Almsville at 10:34 am. The road crosses a wide river and both walkers arrived at the bridge on opposite sides of the river at the same instant. Jillian left the bridge 1.0 minute later than Robert.
At what time did they arrive at the bridge?