library(lubridate) library(ggplot2) library(StreamMetabolism) library(xts) library(reshape) library(scales) Chur <- sunrise.set(46.85726210000001,9.526730499999985, "2024/01/01", timezone="MET", num.days=370) sunrise <- Chur$sunrise sunset <- Chur$sunset sunrise <- strftime(sunrise, format="%R", tz="MET") sunset <- strftime(sunset, format="%R", tz="MET") Chur["sr"] <- as.POSIXct(sunrise, format = "%H:%M") Chur["ss"] <- as.POSIXct(sunset, format = "%H:%M") Chur["timestamp"] <- align.time(Chur$sunrise, 60*10) Chur <- Chur[c("timestamp", "sr", "ss")] locsrss <- ggplot(Chur, aes(x=Chur$timestamp)) + geom_line(aes(y=Chur$sr)) + geom_line(aes(y=Chur$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - Chur 2024", x = "Datum", y = "Zeit") pdf("Chur_SA_SU.pdf", paper="a4r", width=11) locsrss dev.off() png(filename="Chur_SA_SU.png", width = 1400, height = 800, units = "px") locsrss dev.off() Chur["Sonnenaufgang"] <- strftime(Chur$sr, format="%H:%M") Chur["Sonnenuntergang"] <- strftime(Chur$ss, format="%H:%M") write.table(Chur, file="Chur_SaSu.csv", dec=',', sep=';', row.names=FALSE)