library(lubridate)
library(ggplot2)
library(StreamMetabolism)
library(xts)
library(reshape)
library(scales)
50739_Köln <- sunrise.set(50.9717139507416,6.929296324890775, "2024/01/01", timezone="MET", num.days=370)
sunrise <- 50739_Köln$sunrise
sunset <- 50739_Köln$sunset
sunrise <- strftime(sunrise, format="%R", tz="MET")
sunset <- strftime(sunset, format="%R", tz="MET")
50739_Köln["sr"] <- as.POSIXct(sunrise, format = "%H:%M")
50739_Köln["ss"] <- as.POSIXct(sunset, format = "%H:%M")
50739_Köln["timestamp"] <- align.time(50739_Köln$sunrise, 60*10)
50739_Köln <- 50739_Köln[c("timestamp", "sr", "ss")]
locsrss <- ggplot(50739_Köln, aes(x=50739_Köln$timestamp)) + geom_line(aes(y=50739_Köln$sr)) + geom_line(aes(y=50739_Köln$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - 50739_Köln 2024", x = "Datum", y = "Zeit")
pdf("50739_Köln_SA_SU.pdf", paper="a4r", width=11)
locsrss
dev.off()
png(filename="50739_Köln_SA_SU.png", width = 1400, height = 800, units = "px")
locsrss
dev.off()
50739_Köln["Sonnenaufgang"] <- strftime(50739_Köln$sr, format="%H:%M")
50739_Köln["Sonnenuntergang"] <- strftime(50739_Köln$ss, format="%H:%M")
write.table(50739_Köln, file="50739_Köln_SaSu.csv", dec=',', sep=';', row.names=FALSE)