When was the year of the horse in the Chinese calendar in 1978?

The year of the Horse in the Chinese calendar in 1978 was the Year of the Earth Horse. This is because 1978 was a Yang Earth year according to the Chinese zodiac calendar, and the Horse is an Earth sign.

In the Chinese zodiac, each year is associated with one of the five elements: Wood, Fire, Earth, Metal, and Water. The element of the year is determined by the two Chinese characters in the year's name. For example, the two characters in the name 1978 are "Yin" and "Earth". This means that the element of the year was Earth.

The Chinese zodiac also assigns each year to one of the 12 zodiac animals. The animal associated with the Earth element is the Horse. Therefore, the year 1978 was the Year of the Earth Horse.