Detailed Instructions: In this task, you are given a sentence in the Bulgarian language. Here, your job is to convert bulgarian sentence into the english language.
Problem:(" συνεδρίαση λήγει στις 4.20 μ.μ.)
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(The sitting was closed at 4.20 p.m.)