The Ox is also associated with the Earthly Branch (地支 / dì zhī) Chǒu (丑) and the hours 1–3 in the morning. In the terms of yin and yang (阴阳 / yīn yáng), the Ox is Yang.
In Chinese culture, the Ox is a valued animal. Because of its role in agriculture, positive characteristics, such as being hardworking and honest, are attributed to it.Oxen are the hard workers in the background, intelligent and reliable, but never demanding praise.
Paired with the Celestial Stems (天干 / Tiān gān), there is a 60-year calendrical cycle. Although chǒu is associated with earth, the years also cycle through the five elements of nature (五行 / wǔ xíng).