Which of the following places (with their corresponding latitude position) has the longest period of daylight hours on June 21 (summer solstice)? Des Moines, lowa ( 4 1 N ) Havana, Cuba ( 23. 5 N ) Quit Equador ( 0 ) Rio de Janeiro, Brazil ( 23. 5 S ) Puerto Montt, Chile ( 4 1 S ).