> the day (日) of the fire light (火曜). The fire light being Mars. > I don't know the modern Japanese word for Mars, but in Chinese it's 火星, not 火曜. 火星 is the

> the day (日) of the fire light (火曜). The fire light being Mars. > I don't know the modern Japanese word for Mars, but in Chinese it's 火星, not 火曜. 火星 is the same. I don't know about Chinese, but in Japanese 曜 can be a general word for the sun, the moon, and stars (七曜).