library(lubridate) library(ggplot2) library(StreamMetabolism) library(xts) library(reshape) library(scales) Esslingen_am_neckar <- sunrise.set(48.7433425,9.3201122, "2021/01/01", timezone="MET", num.days=370) sunrise <- Esslingen_am_neckar$sunrise sunset <- Esslingen_am_neckar$sunset sunrise <- strftime(sunrise, format="%R", tz="MET") sunset <- strftime(sunset, format="%R", tz="MET") Esslingen_am_neckar["sr"] <- as.POSIXct(sunrise, format = "%H:%M") Esslingen_am_neckar["ss"] <- as.POSIXct(sunset, format = "%H:%M") Esslingen_am_neckar["timestamp"] <- align.time(Esslingen_am_neckar$sunrise, 60*10) Esslingen_am_neckar <- Esslingen_am_neckar[c("timestamp", "sr", "ss")] locsrss <- ggplot(Esslingen_am_neckar, aes(x=Esslingen_am_neckar$timestamp)) + geom_line(aes(y=Esslingen_am_neckar$sr)) + geom_line(aes(y=Esslingen_am_neckar$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - Esslingen_am_neckar 2021", x = "Datum", y = "Zeit") pdf("Esslingen_am_neckar_SA_SU.pdf", paper="a4r", width=11) locsrss dev.off() png(filename="Esslingen_am_neckar_SA_SU.png", width = 1400, height = 800, units = "px") locsrss dev.off() Esslingen_am_neckar["Sonnenaufgang"] <- strftime(Esslingen_am_neckar$sr, format="%H:%M") Esslingen_am_neckar["Sonnenuntergang"] <- strftime(Esslingen_am_neckar$ss, format="%H:%M") write.table(Esslingen_am_neckar, file="Esslingen_am_neckar_SaSu.csv", dec=',', sep=';', row.names=FALSE)