library(lubridate)
library(ggplot2)
library(StreamMetabolism)
library(xts)
library(reshape)
library(scales)
25980_Sylt <- sunrise.set(54.9166544,8.3225949, "2024/01/01", timezone="MET", num.days=370)
sunrise <- 25980_Sylt$sunrise
sunset <- 25980_Sylt$sunset
sunrise <- strftime(sunrise, format="%R", tz="MET")
sunset <- strftime(sunset, format="%R", tz="MET")
25980_Sylt["sr"] <- as.POSIXct(sunrise, format = "%H:%M")
25980_Sylt["ss"] <- as.POSIXct(sunset, format = "%H:%M")
25980_Sylt["timestamp"] <- align.time(25980_Sylt$sunrise, 60*10)
25980_Sylt <- 25980_Sylt[c("timestamp", "sr", "ss")]
locsrss <- ggplot(25980_Sylt, aes(x=25980_Sylt$timestamp)) + geom_line(aes(y=25980_Sylt$sr)) + geom_line(aes(y=25980_Sylt$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - 25980_Sylt 2024", x = "Datum", y = "Zeit")
pdf("25980_Sylt_SA_SU.pdf", paper="a4r", width=11)
locsrss
dev.off()
png(filename="25980_Sylt_SA_SU.png", width = 1400, height = 800, units = "px")
locsrss
dev.off()
25980_Sylt["Sonnenaufgang"] <- strftime(25980_Sylt$sr, format="%H:%M")
25980_Sylt["Sonnenuntergang"] <- strftime(25980_Sylt$ss, format="%H:%M")
write.table(25980_Sylt, file="25980_Sylt_SaSu.csv", dec=',', sep=';', row.names=FALSE)