Correct

下半月

/ xià bànyuè / 
Strokes

Example

As a Noun

second half of a month; latter half/part of a month

1
Chéngjiāo
呈交
xiàbànyuè
下半月
de
的
cáiwù
财务
bàobiǎo
报表

submit the financial statements of the second half of the month