Burn the __ Oil, to Stay Up Extremely Late

This page is the CodyCross answer for the clue below from Life on Wheels, Group 1790, Puzzle 4 (Comfortable Saddle).

Question is: Burn the __ Oil, to Stay Up Extremely Late

and the answer is: MIDNIGHT

Word Meaning:

MIDNIGHT — The middle of the night: the sixth temporal hour, equidistant between sunset and sunrise.

Definitions from Wiktionary.

Burn the __ oil, to stay up extremely late — CodyCross Answer | CodyCross Solutions