第三十八年夏至
[dì sān shí bā nián xià zhì]
It means 'the summer solstice of the 38th year'. This unique way of expressing time shows individualism or uniqueness. In China's cultural background, 'Xiazhi'(夏至-Summer Solstice), a significant node in twenty-four solar terms in China, marks the longest day of sunlight.