Phụng left for work at 06:13. She walked to the bus stop in 18 minutes, then she had to wait 2 minutes for the bus to arrive. The journey on the bus lated 25 minutes, and then Phụng walked for another 12 minutes before she got to work 20 minutes early. What time did Phụng start work?

16. Phụng left for work at 06:13. She walked to the bus stop in 18 minutes, then she had to wait 2 minutes for the bus to arrive. The journey on the bus lated 25 minutes, and then Phụng walked for another 12 minutes before she got to work 20 minutes early. What time did Phụng start work?