library(lubridate)
library(ggplot2)
library(StreamMetabolism)
library(xts)
library(reshape)
library(scales)
Belfast <- sunrise.set(54.597269,-5.930109, "2024/01/01", timezone="MET", num.days=370)
sunrise <- Belfast$sunrise
sunset <- Belfast$sunset
sunrise <- strftime(sunrise, format="%R", tz="MET")
sunset <- strftime(sunset, format="%R", tz="MET")
Belfast["sr"] <- as.POSIXct(sunrise, format = "%H:%M")
Belfast["ss"] <- as.POSIXct(sunset, format = "%H:%M")
Belfast["timestamp"] <- align.time(Belfast$sunrise, 60*10)
Belfast <- Belfast[c("timestamp", "sr", "ss")]
locsrss <- ggplot(Belfast, aes(x=Belfast$timestamp)) + geom_line(aes(y=Belfast$sr)) + geom_line(aes(y=Belfast$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - Belfast 2024", x = "Datum", y = "Zeit")
pdf("Belfast_SA_SU.pdf", paper="a4r", width=11)
locsrss
dev.off()
png(filename="Belfast_SA_SU.png", width = 1400, height = 800, units = "px")
locsrss
dev.off()
Belfast["Sonnenaufgang"] <- strftime(Belfast$sr, format="%H:%M")
Belfast["Sonnenuntergang"] <- strftime(Belfast$ss, format="%H:%M")
write.table(Belfast, file="Belfast_SaSu.csv", dec=',', sep=';', row.names=FALSE)