Geographical pictures are two small problems! !

The solar term in the northern hemisphere is the summer solstice.

Reason: The degree of angle θ is 23 26'. If the sun's rays are perpendicular to the termination line, it will be found that the sun's rays are 23 26' N, that is, the summer solstice.

At this time, the area occupied by the whole world and the area belonging to point F on the same day is 1/3 of the whole world, that is, from 180 to 60 W, choose B.

According to the autobiographical direction of the earth, from west to east, it is from day to night at this time, which means faint line. The time when the dark line crosses the equator is 18, that is, the time of 150 W is 18. It can be calculated that 60 W is 24 o'clock, that is, 0 o'clock, and 150 W is in the same place.