Translation of boundary in German

Some of the disadvantages are the coldness, darkness and the fact that the days are a lot shorter then as in the summer. First let me tell you what I do not like about the winter. It is the following.
Sunday is fine. Please let us talk tomorrow to arrange a schedule of that day. I will call you tomorrow, but in any case, here is my number again. We could do it also on Monday next week, if it fits everybody.
After two weeks in less developed countries it was somehow interesting to arrive here. The express shuttle from the airport took us into town in less than twenty minutes and had several station.