Hello, Apprentice123!

I believe I've translated your problem to English . . .

The minute hand moves at 6 degress/minute.A man begin the trip when the hands of the clock are together between 8:00 and 9:00.

The journey ends when the hour hand is between 14:00 and 15:00 hours

and the minute hand is diametrically opposite. .How long did the trip last?

. . In minutes, moves: degrees.

The hour hand moves at ½ degrees/minute.

. . In minutes, moves: degrees.

At 8:00, the minute hand is at 0°; the hour hand is at 240°.

. . In minutes, is at degrees . . . and is at degrees.

The hands are together: .

. . The trip started at: . a.m.

At 2:00, is at 0°; is at 60°.

In minutes, is at degrees . . . and is at degrees.

The hands are 180° apart: .

. . The trip ended at: . p.m.

Therefore, the trip tookexactly6 hours.