Devendra leaves his home every day at 8:25 am and reaches office at 9:55 am. One day he leaves his home at 8:25 am, but covers \(\frac{3}{10}\) of the total distance at \(\frac{6}{7}\) of normal speed and the remaining distance at \(\frac{7}{6}\) of normal speed. What time does Devendra reach office that day?