Translation of wintertime in German

Can we do it one day earlier? 30.April? I probably can't on the 04.05, but I will know just next week. Maybe we can do a phone lesson first and than the writing exercises. I do not feel ready yet.
The writer describes this situation by putting the persons into a natural environment. On one side there was no shade and there weren't any trees, he says. This description can be interpreted.
The same evening we left Patagonia and flew to the capital of Argentina, Buenos Aires. We have waited a long time for this moment as we have not been in a city for almost two weeks and we usually love the city.