Create date input — dateInput
R/input-date.R
  Description
Creates a text input which, when clicked on, brings up a calendar that the user can click on to select dates.
Arguments
- inputId
- The - inputslot that will be used to access the value.
- label
- Display label for the control, or - NULLfor no label.
- value
- The starting date. Either a Date object, or a string in - yyyy-mm-ddformat. If NULL (the default), will use the current date in the client's time zone.
- min
- The minimum allowed date. Either a Date object, or a string in - yyyy-mm-ddformat.
- max
- The maximum allowed date. Either a Date object, or a string in - yyyy-mm-ddformat.
- format
- The format of the date to display in the browser. Defaults to - "yyyy-mm-dd".
- startview
- The date range shown when the input object is first clicked. Can be "month" (the default), "year", or "decade". 
- weekstart
- Which day is the start of the week. Should be an integer from 0 (Sunday) to 6 (Saturday). 
- language
- The language used for month and day names. Default is "en". Other valid values include "ar", "az", "bg", "bs", "ca", "cs", "cy", "da", "de", "el", "en-AU", "en-GB", "eo", "es", "et", "eu", "fa", "fi", "fo", "fr-CH", "fr", "gl", "he", "hr", "hu", "hy", "id", "is", "it-CH", "it", "ja", "ka", "kh", "kk", "ko", "kr", "lt", "lv", "me", "mk", "mn", "ms", "nb", "nl-BE", "nl", "no", "pl", "pt-BR", "pt", "ro", "rs-latin", "rs", "ru", "sk", "sl", "sq", "sr-latin", "sr", "sv", "sw", "th", "tr", "uk", "vi", "zh-CN", and "zh-TW". 
- width
- The width of the input, e.g. - '400px', or- '100%'; see- validateCssUnit().
- autoclose
- Whether or not to close the datepicker immediately when a date is selected. 
- datesdisabled
- Which dates should be disabled. Either a Date object, or a string in - yyyy-mm-ddformat.
- daysofweekdisabled
- Days of the week that should be disabled. Should be a integer vector with values from 0 (Sunday) to 6 (Saturday). 
Details
The date format string specifies how the date will be displayed in
the browser. It allows the following values:
- yyYear without century (12)
- yyyyYear with century (2012)
- mmMonth number, with leading zero (01-12)
- mMonth number, without leading zero (1-12)
- MAbbreviated month name
- MMFull month name
- ddDay of month with leading zero
- dDay of month without leading zero
- DAbbreviated weekday name
- DDFull weekday name
Server value
A Date vector of length 1.
See also
dateRangeInput(), updateDateInput()
Other input elements: 
actionButton(),
checkboxGroupInput(),
checkboxInput(),
dateRangeInput(),
fileInput(),
numericInput(),
passwordInput(),
radioButtons(),
selectInput(),
sliderInput(),
submitButton(),
textAreaInput(),
textInput(),
varSelectInput()
Examples
## Only run examples in interactive R sessions
if (interactive()) {
ui <- fluidPage(
  dateInput("date1", "Date:", value = "2012-02-29"),
  # Default value is the date in client's time zone
  dateInput("date2", "Date:"),
  # value is always yyyy-mm-dd, even if the display format is different
  dateInput("date3", "Date:", value = "2012-02-29", format = "mm/dd/yy"),
  # Pass in a Date object
  dateInput("date4", "Date:", value = Sys.Date()-10),
  # Use different language and different first day of week
  dateInput("date5", "Date:",
          language = "ru",
          weekstart = 1),
  # Start with decade view instead of default month view
  dateInput("date6", "Date:",
            startview = "decade"),
  # Disable Mondays and Tuesdays.
  dateInput("date7", "Date:", daysofweekdisabled = c(1,2)),
  # Disable specific dates.
  dateInput("date8", "Date:", value = "2012-02-29",
            datesdisabled = c("2012-03-01", "2012-03-02"))
)
shinyApp(ui, server = function(input, output) { })
}