the zodiac [singular] the imaginary area in the sky in which the sun, moon and planets appear to lie, and which has been divided into twelve equal parts each with a special name and symbol
[countable] a diagram of these twelve parts, and signs that some people believe can be used to predict how the planets will influence our lives
In fact, “Songkran” is a Thai word which means “move” or “change place” as it is the day when the sun changes its position in the zodiac.