From Longman Dictionary of Contemporary Englishsundownsun‧down /ˈsʌndaʊn/ noun [uncountable] old-fashioned TMCDNsunset(1)
Examples from the Corpus
sundown• After sundown the Confederates made an attack on the right creating considerable confusion.• After sundown, a bit of target practice on the estate, using his collection of sophisticated weapons.• As sundown approached, scores of settlers and a wagon train of police vans moved down the hill as Maj.• During Ramadan, the family does not eat or drink before sundown.• Expect to hear good news before sundown.• He had to be in shul before sundown.• To kick-off, we've got an official Happy Hour around the 8.30 p.m. mark - well before sundown.• From high noon to sundown we blazed and buzzed like hot island bees on sweet cherry trees. 