cow-dust time
n.— «The late afternoon/ early evening, when the cows are led home from their pastures, is called “go-dhUli-kAla” (cow-dust time), for the many herds of cows all moving at once stir up quite a bit of dust.» —“Go-dhuli-kala” by M. Tandy Usenet: alt.religion.vaisnava Aug. 1, 1999. (source: Double-Tongued Dictionary)