(һ)        Ǽ
ۿɼ,ѰǾͿɶ׼,֮΢֮áͱóǵʱǡγ̲ҵ
᣺
1        ƽᡣֱڵƽ棬¶ż̨ӣ϶뼫ӣеƽ߶ȿ̶̡ƵƽתɵԶĵƽλǡ
2        ᡣһƽ°⶯ɵƽ߶Ƚǡһγ90oӣװʱǶ̣Զָʱǣྭ
3        γᡣ뼫90o϶Ͳ90oԱ֤Ͳ뼫ƽС¶ƽⴸװгγ̣Զָĳγȵ
׼۲հ
     һʹԶ͵תƽУָ켫
1        ǡǼӺãСN־һȰǼܸ߶ȣʹǼ̨ˮƽ
2        ɿᣨྭᣩƽݶת߻ұߡɿƽⴸƽݶ,ƶƽⴸ,ʹԶ봸ƽ⡣ԶϷƽݶ
3        ɿƽƽݶתǣʹᣨԶָ򱱷ָ붨򣩣ƽݶ
4        ɿƽƽݶ°⶯ᣬʹָ׼۲صĵγȣϵγΪ+36.6o,γ+36.6o,ƽݶ
5        ɿγƽݶתԶʹ뼫ƽУ༴뵱ؾȦƽУƽݶ
6        ԶùѰǾйۿǷӳ룬ƫԼĵƽλǣƽ߶Ƚϸֱӳ벻ƶ
7        šʱǿ̶̣ʱ0h׼ָ룻šγ̶̣90o׼ָ루еڳʱѾ̶90o0o
ˣԶתᡢ۲ȫƽСƾתԶʼնűǡ
رʾúżܡ᷽λǡ߶ȽǶ˿ƶҪµ켫뱱ǲȫغϣСƫ1o
ڶ۲۲ʱ̵ĵطʱ
200251ձʱ19ʱļϵطʱ
1        ӵĹÿһв200251ʱ0hεطʱΪ14h35m00s
2        вϣ۲㣩Ϊ117oΪʱΪ7h48m00s15o=1h1o=4m1=4s
3        湫ʽ
                 s=So+m-8h+ˣ+(m-8h)*0.002738
ʽ         s            طʱڹ۲ⶨĴֵõʱ
So           ʱ0hεطʱ
m              طƽʱ
                  ۲ĵȣʱǣ
       8h           ʱǶʱ׼ʱ
0.002738     ϵ1/365.2422
                 ֪ݴ빫ʽ
                     S=14h35m00s+(19h00m00s-8h+7h48m00s)+(19h00m00s-8h)*0.002738
                 =14h35m00s+18h48m00s+00h1m48s =33h24m48s
Ϊ24hҪе24hΪһ죬ȥ24hS=43h25m13s-24h=19h25m13s
200251 ձʱ19h00m00sʱļϵطʱ
5209h24m48s
㱻۲۲ʱ̵ʱǣt
tԱȦΪ㣬ɶԲܷΪ24СʱÿСʱ15o
ʨڵm65ϵ
1        ϵΪ
ྭ=11h18m00sγ=13o13
ྭϵľȣֵͨõľγΪ0㣬򶫽ԲܷΪ24Сʱ
γģϵγȣΪ0oϸ90o
2        ùʽ
t=s-               t=09h24m48s-11h18m00s= -1h53m12s
ĲԶ׼塣
1        ɿγƽݶתȶ׼γ0oȻת=13o13׼γָ룬ƽݶ
2        ɿƽݶƼ򶫣ʱtΪתԶm65ʱ-1h53m12s׼ʱǿ̶ָ룬ƽݶ
3        õͱ۲m65粻г룬óྭγ΢ֽӳ롣ڵתĿὥƳӳҪ΢ָ١ΪԶٳǣ򿪵żɡ
      رʾڶٹ۲ʱתʱǽ3m56sΪ-1h49m16s