It is this moon phase.

What is a waning crescent?
This is the name for the day with the most sunlight hours.
What is the summer solstice?
This is the reason for the seasons.
What is the Earth's axial tilt combined with the Earth's rotation around the sun?
It is the source of the moon's light.
What is a reflection from the sun?
It is the appearance of the moon when it is new.
What is completely dark?
This is the amount of time that it takes the moon to complete one orbit around the Earth.
What is about 30 days?
This is the day with the least amount of daylight hours in Vancouver.
What is the winter solstice, December 21st?
This is the type of solar radiation that results in consistent warm temperatures at the equator. (direct or indirect)
What is direct solar radiation?
This is how the moon appears during a total Lunar eclipse.
What is red?
It is this. (Be specific.)
What is a partial lunar eclipse?
This is the phase of the moon that the person on the Earth can see right now. 
What is a full moon?
This is the amount of sunlight and darkness that occurs on March 21st and September 21st, the Equinoxes.
What is 12 hours of each?
This is the Earth's axial tilt. (Looking for a number.)
What is 23.4o or 23.5o?
It is the location of the moon during a solar eclipse.
What is between the sun and the Earth?
This is the effect that the Moon's gravity has on the oceans.
What are tides?
This is the phase of the moon that follows a waxing crescent.
What is the first quarter?
This is the summer solstice in Brisbane.
What is December 21st?
This is the season in Santiago on New York's winter solstice, 12/21.
What is summer?
What is latitude?
It is the moon phase after this.
What is a new Moon?
This is the longest day of the year in Buenos Aires. (Looking for a date.)
What is 12/21, the summer solstice?
This would happen to the temperature in summer if the Earth's axial tilt was 30o.
What is it would be hotter?
It is the name for when the Earth, Moon, and Sun line up and pull on the Earth's oceans causing an unusually strong pull on the water.
What is a spring tide?
It is this.
What is a total solar eclipse?