Q: Are months based on the solar cycle?
A: The solar cycle is measured by the year: the length of one orbit, as well as by day: the length of one of Earth's rotation about its axis. However, months are based on the lunar cycle, how the shadow of the Earth on the moon causes it to appear to grow and shrink and change shape over the course of four weeks.
The answer is no.

Q: Was Ariana Grande inspired by Imogen Heap?
A: Ariana Grande's song 'Goodnight And Go' uses a sample from a track of the same name. "Goodnight and Go" is originally an Imogen Heap song.
The answer is yes.

Q: Was Surfing popular when pogs came out?
A: Pogs came out in the 1990's. The 90's saw a rise in 'Big Wave Culture', a practice involving finding the largest possible waves to surf on.
The answer is yes.

Q: Would most grand masters know what the French Defense is?
A:
Grand master is the highest title a chess player can get. The French Defense is a well known chess opening that is in many books.
The answer is yes.