Sun’s Time of Southing. altitude. M. S. (Common clock, or London mean time.) June 15 62° 0 4 before noon. „ 30 61²⁄₃° 3 18 afternoon. July 15 59²⁄₃° 5 38 „ „ 31 56¹⁄₂° 6 4 „ Aug. 15 52¹⁄₂° 0 11 „ „ 31 47° 0 5 „ Sep. 15 38²⁄₃° 4 58 before noon. „ 30 35¹⁄₂° 10 6 „ Oct. 31 24° 16 14 „ Nov. 30 17° 10 58 „ Dec. 21 12° 0 27 „ „ 31 15° 3 29 afternoon. Jan. 1 15¹⁄₂° 3 36 „ „ 15 17° 9 33 „ „ 31 21° 13 41 „ Feb. 15 25° 14 28 „ „ 29 30¹⁄₂° 12 43 „ March 15 {On the Equator} 36° 9 2 „ { at 6 a.m. } 38¹⁄₂° 0 0 „ „ 21 42¹⁄₂° 4 10 before noon. April 15 48° 0 8 „ „ 30 53° 2 58 „ May 15 57° 3 54 „ „ 31 60° 2 37 „ In the following diagram (Fig. 27) A A A represent the Sun’s daily path on December 21st, and B B B the same on June 15th. N the North Pole, S the Sun, E Great Britain. The figures 1 2 3 the Arctic Circle, and 4 5 6 the extent of sunlight. The arrows show the direction of the Sun’s motion. [Illustration: FIG. 27.] SECTION 6. CAUSE OF DAY AND NIGHT, SEASONS, &c.