From Ouyang Xiu
欧阳修's Northern Song ci
生查子·
元夕 (authorship sometimes attributed to Zhu Shuzhen
朱淑真):
月上柳梢头,人约黄昏后 (The moon climbs to the willow tip; we meet after dusk.) Set on the Lantern Festival
元夕, traditionally a rare night when young men and women could meet freely.