☼ INTRODUCTION  :   We know that the person who appreciate the time, the time will appreciate him. We have mainly two hands in a watch or clock. ( Actually we have three hands, but we ignore the seconds hand because it is irrelevant for our discussions.)

The minute hand is the longer hand and the hour hand is the small hand.

For  the  Minute  Hand

Angle in 1 hr.		Angle in 1 minute
		=
( 1 hr.  =  60 min.)

For  the  Hour  Hand

Angle in 12 hrs.				Angle in 1 min
			=

Hence, the minute hand covers  6⁰ in 1 minute and  in 1 minute. We have following different types of  images of  clock in our mind, since childhood.

The four figures given above show the particular timings we always watched and thought about since our childhood. Figure 1 shows the time  7 : 00 where the minute hand is exactly 150 degrees apart from the hour hand. Figure 2 shows the time 12 : 00  where the minute hand and hour hand coincide. Figure 3 shows the minute hand to be perpendicular to the hour hand. This happens exactly twice in an hour. Figure 4 shows the hand to be at an angle of  180 degrees with the hour hand. This happens exactly once  in an hour.

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