library(lubridate) library(ggplot2) library(StreamMetabolism) library(xts) library(reshape) library(scales) Abisko <- sunrise.set(68.333333,18.85, "2021/01/01", timezone="MET", num.days=370) sunrise <- Abisko$sunrise sunset <- Abisko$sunset sunrise <- strftime(sunrise, format="%R", tz="MET") sunset <- strftime(sunset, format="%R", tz="MET") Abisko["sr"] <- as.POSIXct(sunrise, format = "%H:%M") Abisko["ss"] <- as.POSIXct(sunset, format = "%H:%M") Abisko["timestamp"] <- align.time(Abisko$sunrise, 60*10) Abisko <- Abisko[c("timestamp", "sr", "ss")] locsrss <- ggplot(Abisko, aes(x=Abisko$timestamp)) + geom_line(aes(y=Abisko$sr)) + geom_line(aes(y=Abisko$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - Abisko 2021", x = "Datum", y = "Zeit") pdf("Abisko_SA_SU.pdf", paper="a4r", width=11) locsrss dev.off() png(filename="Abisko_SA_SU.png", width = 1400, height = 800, units = "px") locsrss dev.off() Abisko["Sonnenaufgang"] <- strftime(Abisko$sr, format="%H:%M") Abisko["Sonnenuntergang"] <- strftime(Abisko$ss, format="%H:%M") write.table(Abisko, file="Abisko_SaSu.csv", dec=',', sep=';', row.names=FALSE)