https://www.timeanddate.com/sun/usa/parowan https://hilaryparker.com/2014/05/27/sunsets-in-google-calendar-using-r/ https://www.digitalocean.com/community/tutorials/how-to-install-r-on-ubuntu-16-04-2 http://blog.samsandberg.com/2014/06/04/sunsets-in-google-calendar-for-r-noobs/ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9 #sudo add-apt-repository 'deb [arch=amd64,i386] https://cran.rstudio.com/bin/linux/ubuntu trusty/' #sudo add-apt-repository 'deb [arch=amd64,i386] https://cran.rstudio.com/bin/linux/ubuntu xenial/' sudo apt update sudo apt upgrade sudo apt install r-base wget https://raw.githubusercontent.com/hilaryparker/hilary/master/R/create_sunset_cal.R vi create_sunset_cal.R sudo -i R install.packages("StreamMetabolism") library(StreamMetabolism) install.packages("gpclib") library(maptools) source("/YourPath/create_sunset_cal.R") create_sunset_cal() q() head /YourPath/sunset.csv Subject,Start Date,Start Time,End Date,End Time,All Day Event,Description,Location,Private Sunset,2017-09-03,19:47:54 PM,2017-09-03,20:27:54 PM,False,Sunset Calendar,YourAddress,False Sunset,2017-09-04,19:46:24 PM,2017-09-04,20:26:24 PM,False,Sunset Calendar,YourAddress,False Sunset,2017-09-05,19:44:54 PM,2017-09-05,20:24:54 PM,False,Sunset Calendar,YourAddress,False cat /YourPath/create_sunset_cal.R #' Create a sunset calendar #' #' This function creates a .CSV of sunset appointments--with a user-specified location--that can be imported into Google Calendar. #' @param date Date at which you want the calendar to start, in yyyy/mm/dd format. #' @param lat Latitude of location (for sunset time calculation) #' @param long Longitude of location (for sunset time calculation, will be negative for continental US) #' @param timezone Timezone of location (for sunset time calculation). #' @param num.days Number of days you want sunset appointments for. #' @param file Filename for outputted .CSV file (to be uploaded to Google Calendar). #' @param location Location of sunset appointment. Will be input into Google Calendar event as the event location. #' @importFrom StreamMetabolism sunrise.set #' @export #' @examples \dontrun{ #' create_sunset_cal(location = "40.7127, -74.0059") #'} #' create_sunset_cal <- function(date="2017/09/03", lat = 40.7127, long = -74.0059, timezone = "America/Denver", num.days = 365, file="sunset.csv", location = "YourAddress"){ location <- gsub(",", "", location) dates <- seq( as.Date(date), by = "day", length.out = num.days ) sunset_times <- sunrise.set( lat = lat, long = long, date = date, timezone = timezone, num.days = num.days )$sunset nms <- c( 'Subject', 'Start Date', 'Start Time', 'End Date', 'End Time', 'All Day Event', 'Description', 'Location', 'Private' ) mat <- matrix( nrow = length(dates), ncol = length(nms) ) mat <- data.frame(mat) colnames(mat) <- nms mat$Subject <- "Sunset" mat$"Start Date" <- dates mat$"End Date" <- dates mat$"All Day Event" <- "False" mat$Description <- "Sunset Calendar" mat$Location <- location mat$Private <- "False" starts <- strftime(sunset_times-60*10, format="%H:%M:%S %p") ends <- strftime(sunset_times+60*30, format="%H:%M:%S %p") mat$"Start Time" <- starts mat$"End Time" <- ends write.csv( mat, file=file, quote=FALSE, row.names=FALSE ) }
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Generating a Google Sunset Calendar using R on Ubuntu
Notes for generating a Google Sunset Calendar using R. Note, I adjusted the start time 10 min earlier. Thanks to Hilary Parker
Time problems when dual booting Ubuntu Linux and Windows 10
Some OS like Linux set the hardware clock to UTC. Others like Windows use Local time. There are several ways to work around this issue but the easiest for me is below:
Change Windows 10:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation]
"RealTimeIsUniversal"=dword:00000001
or
Make Linux use 'Local' time
To tell your Ubuntu system that the hardware clock is set to 'local' time:
Pre-Ubuntu 15.04 systems (e.g. Ubuntu 14.04 LTS):
- edit /etc/default/rcS
- add or change the following section
# Set UTC=yes if your hardware clock is set to UTC (GMT) UTC=no
Ubuntu 15.04 systems and above (e.g. Ubuntu 16.04 LTS):
- open a terminal and execute the following command
timedatectl set-local-rtc 1
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