Значение слова "Ч6" найдено в 1 источнике

Ч6

АДМИРАЛЬСКИЙ ЧАС obs, humorNPsing only) noon, the time for a lunch break

lunchtime.

Starting in 1865, the beginning of the lunch break in St. Petersburg was signaled at 12 noon by a shot fired from one of the admiralty cannons.