___
___ 夕 [evening]
is in  ___
On-reading: セキ as in 今夕 konseki ___
SEKI yū dusk | evening 
夕方 yūgata [early] evening  
夕べ yūbe last night | yesterday evening  
夕食 yūshoku supper  
今夕 konseki this evening | tonight  
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Most Japanese dictionaries defines 夕 as the time around sunset and when it starts to get darker. 晩 is defined as the same as 夕, or 夜, i.e. night.