library(lubridate) library(ggplot2) library(StreamMetabolism) library(xts) library(reshape) library(scales) Köln <- sunrise.set(50.85654539343374,7.0819865162598035, "2024/01/01", timezone="MET", num.days=370) sunrise <- Köln$sunrise sunset <- Köln$sunset sunrise <- strftime(sunrise, format="%R", tz="MET") sunset <- strftime(sunset, format="%R", tz="MET") Köln["sr"] <- as.POSIXct(sunrise, format = "%H:%M") Köln["ss"] <- as.POSIXct(sunset, format = "%H:%M") Köln["timestamp"] <- align.time(Köln$sunrise, 60*10) Köln <- Köln[c("timestamp", "sr", "ss")] locsrss <- ggplot(Köln, aes(x=Köln$timestamp)) + geom_line(aes(y=Köln$sr)) + geom_line(aes(y=Köln$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - Köln 2024", x = "Datum", y = "Zeit") pdf("Köln_SA_SU.pdf", paper="a4r", width=11) locsrss dev.off() png(filename="Köln_SA_SU.png", width = 1400, height = 800, units = "px") locsrss dev.off() Köln["Sonnenaufgang"] <- strftime(Köln$sr, format="%H:%M") Köln["Sonnenuntergang"] <- strftime(Köln$ss, format="%H:%M") write.table(Köln, file="Köln_SaSu.csv", dec=',', sep=';', row.names=FALSE)