Last Problem:
Is the following statement true or false?
The autumnal equinox is the date when the Sun is closest to the Earth
Answer:
The statement is false.
The autumnal equinox is one of two days a year when day and night are of equal length. It happens around September 23 when the Sun’s position makes the length of day and night equal everywhere on Earth.
Today’s Problem:
Who was the first person to propose the idea of daylight-saving time?