What is angle between hour hand and minute hand in clock at 4 20?
Photo Credit: Courtesy of 3DStockPhoto (hour hand image)
At 4:20 the hour hand makes an angle of 4*30+20*30/60 = 120+10 = 130 deg from 12. At 4:20 the minute hand makes an angle of 4*30 = 120 deg from 12. Therefore, the hands of the clock at 4:20 make an angle of 10 deg between them.