tkcalendar is a python module that provides the Calendar and DateEntry widgets for Tkinter. The DateEntry widget is similar to a Combobox, but the drop-down is not a list but a Calendar to select a date. Events can be displayed in the Calendar with custom colors and a tooltip displays the event list for a given day. tkcalendar is compatible with both Python 2 and Python 3. It supports many locale settings (e.g. 'fr_FR', 'en_US', ..) and the colors are customizable.

The documentation is also available here: https://tkcalendar.readthedocs.io

• Linux, Windows, OSX
• Python 3

And the python packages:

• tkinter (included in the python distribution for Windows)
• babel

• Ubuntu: use the PPA ppa:j-4321-i/ppa

  $ sudo add-apt-repository ppa:j-4321-i/ppa
  $ sudo apt-get update
  $ sudo apt-get install python(3)-tkcalendar
  

• Archlinux:

  The package is available on AUR

• With pip:

  $ pip install tkcalendar
  

Calendar(master=None, **kw)

• Standard options

  cursor : str

  cursor to display when the pointer is in the widget

  font : str such as "Arial 20 bold" or a Tkinter Font instance

  font of the calendar

  borderwidth : int

  width of the border around the calendar

  state : str

  "normal" or "disabled" (unresponsive widget)

• Widget-specific options:

  year : int

  intinitially displayed year, default is current year.

  month : int

  initially displayed month, default is current month.

  day : int

  initially selected day, if month or year is given but not day, no initial selection, otherwise, default is today.

  firstweekday : "monday" or "sunday"

  first day of the week

  weekenddays : list

  days to be displayed as week-end days given as a list of integers corresponding to the number of the day in the week (e.g. [6, 7] for the last two days of the week).

  mindate : datetime.date or datetime.datetime (default is None)

  minimum allowed date

  maxdate : datetime.date or datetime.datetime (default is None)

  maximum allowed date

  showweeknumbers : bool (default is True)

  whether to display week numbers.

  showothermonthdays : bool (default is True)

  whether to display the last days of the previous month and the first of the next month.

  locale : str

  locale to use, e.g. 'en_US'

  date_pattern : str

  date pattern used to format the date as a string. The default pattern used is babel's short date format in the calendar's locale.

  A valid pattern is a combination of 'd', 'm' and 'y' separated by non letter characters to indicate how and in which order the year, month and day should be displayed.

  d	'd' for the day of month number without padding, 'dd' for a two-digit day
  m	'm' for the month number without padding, 'mm' for a two-digit month
  y	'yy' for the two last digits of the year, any other number of 'y's for the full year with an extra padding of zero if it has less digits than the number of 'y's.

  Examples for datetime.date(2019, 7, 1)

  • 'y-mm-dd' → '2019-07-01'
  • 'm/d/yy' → '7/1/19'

  selectmode : "none" or "day" (default)

  whether the user can change the selected day with a mouse click.

  textvariable : StringVar

  connect the currently selected date to the variable.

• Style options:

  background :

  background color of calendar border and month/year name

  foreground :

  foreground color of month/year name

  disabledbackground : str

  background color of calendar border and month/year name in disabled state

  disabledforeground : str

  foreground color of month/year name in disabled state

  bordercolor :

  day border color

  headersbackground :

  background color of day names and week numbers

  headersforeground :

  foreground color of day names and week numbers

  selectbackground :

  background color of selected day

  selectforeground :

  foreground color of selected day

  disabledselectbackground :

  background color of selected day in disabled state

  disabledselectforeground :

  foreground color of selected day in disabled state

  normalbackground :

  background color of normal week days

  normalforeground :

  foreground color of normal week days

  weekendbackground :

  background color of week-end days

  weekendforeground :

  foreground color of week-end days

  othermonthforeground :

  foreground color of normal week days belonging to the previous/next month

  othermonthbackground :

  background color of normal week days belonging to the previous/next month

  othermonthweforeground :

  foreground color of week-end days belonging to the previous/next month

  othermonthwebackground :

  background color of week-end days belonging to the previous/next month

  disableddaybackground :

  background color of days in disabled state

  disableddayforeground :

  foreground color of days in disabled state

• Tooltip options (for calevents):

  tooltipforeground :

  tooltip text color

  tooltipbackground :

  tooltip background color

  tooltipalpha : float

  tooltip opacity between 0 and 1

  tooltipdelay : int

  delay in ms before displaying the tooltip

• A <<CalendarSelected>> event is generated each time the user selects a day with the mouse.
• A <<CalendarMonthChanged>> event is generated each time the user changes the displayed month.

• Standard methods:

  • methods common to all tkinter widgets (more details here)
  • methods common to all ttk widgets (more details here)

• Widget-Specific methods:

  calevent_cget(ev_id, option) :

  Return value of given option for the event ev_id.

  calevent_configure(ev_id, **kw) :

  Return value of given option for the event ev_id.

  calevent_create(date, text, tags=[]) :

  Add new event in calendar and return event id.

  Options:

  date: datetime.date or datetime.datetime instance.

  text: text to put in the tooltip associated to date.

  tags: list of tags to apply to the event. The last tag determines the way the event is displayed. If there are several events on the same day, the lowest one (on the tooltip list) which has tags determines the colors of the day.

  calevent_lower(ev_id, below=None) :

  Lower event ev_id in tooltip event list.

  below: put event below given one, if below is None, put it at the bottom of tooltip event list.

  The day's colors are determined by the last tag of the lowest event which has tags.

  calevent_raise(ev_id, above=None) :

  Raise event ev_id in tooltip event list.

  above: put ev_id above given one, if above is None, put it on top of tooltip event list.

  The day's colors are determined by the last tag of the lowest event which has tags.

  calevent_remove(*ev_ids, **kw) :

  Remove events from calendar.

  Arguments: event ids to remove or 'all' to remove them all.

  Keyword arguments: tag, date. They are taken into account only if no id is given. Remove all events with given tag on given date. If only date is given, remove all events on date and if only tag is given, remove all events with tag.

  get_date() :

  If selectmode is 'day', return the string corresponding to the selected date in the Calendar locale, otherwise return "".

  get_calevents(date=None, tag=None) :

  Return event ids of events with given tag and on given date.

  If only date is given, return event ids of all events on date.

  If only tag is given, return event ids of all events with tag.

  If both options are None, return all event ids.

  get_displayed_month() :

  Return the currently displayed month in the form of a (month, year) tuple.

  see(date) :

  Display the month in which date is.

  date: datetime.date or datetime.datetime instance.

  selection_clear() :

  Clear the selection.

  selection_get() :

  If selectmode is 'day', return the selected date as a datetime.date instance, otherwise return None.

  selection_set(self, date) :

  If selectmode is 'day', set the selection to date where date can be either a datetime.date instance or a string corresponding to the date format "%x" in the Calendar locale. Does nothing if selectmode is "none".

  tag_cget(tag, option) :

  Return the value of the tag's option.

  tag_config(self, tag, **kw) :

  Configure tag.

  Keyword options: foreground, background (of the day in the calendar)

  tag_delete(tag) :

  Delete given tag and remove it from all events.

  tag_names() :

  Return tuple of existing tags.

Date selection entry with drop-down calendar.

DateEntry(master=None, **kw)

• Keyword options of Calendar to configure the drop-down calendar

  The Calendar option cursor has been renamed calendar_cursor to avoid name clashes with the corresponding ttk.Entry option.

• Keyword options of ttk.Entry

  By default, 'validate' is set to 'focusout' and 'validatecommand' is configured so that each time the widget looses focus, if the content is not a valid date (in locale format '%x'), it is reset to the previous valid date.

  The widget style is set to 'DateEntry'. A custom style inheritting from 'DateEntry' can be created by naming it '<style name>.DateEntry'

• Virtual Events

  A <<DateEntrySelected>> event is generated each time the user selects a date.

• Standard methods:

  • methods common to all tkinter widgets (more details here)
  • methods common to all ttk widgets (more details here)
  • methods of the Entry widget (more details here)

• Widget-Specific methods:

  drop_down() :

  Display or withdraw the drop-down calendar depending on its current state.

  get_date() :

  Return the selected date as a datetime.date instance.

  set_date(self, date) :

  Set the value of the DateEntry to date where date can be either a datetime.date instance or a string corresponding to the date format "%x" in the Calendar locale.

Widget styling, Pyinstaller, Custom date formatting: see https://tkcalendar.readthedocs.io/en/stable/howtos.html

• tkcalendar 1.6.1

  • Fix typo in DateEntry that lead to position issues for the drop-down (#66)

• tkcalendar 1.6.0

  • Fix vanishing of the drop-down calendar on any click when grab_set is used
  • Fix DateEntry cursor customization which had no effect
  • Temporarily fix python issue 38661 (#61)
  • Add calendar_cursor option to change the cursor on the Calendar of the DateEntry (#55)
  • Fix always on top bug using resizable (#62)

• tkcalendar 1.5.1

  • Fix calendar drop-down not in front issue if window has the -topmost attribute in Windows (#49)
  • Make Calendar.config() and DateEntry.config() accept a dictionary like standard tkinter widgets
  • Fix calendar not hiding when clicking again on DateEntry drop-down button in Windows (#51)
  • Fix maxdate disabled while it sould be the latest allowed date (#50)

• tkcalendar 1.5.0

  • Add disabledforeground and disabledbackground options to further customize the disabled state appearance of the Calendar
  • Add maxdate and mindate options to set an allowed date range for date selection
  • Add weekenddays option to choose the days colored as week-end days (#37)
  • Add date_pattern option to customize the date format
  • Add Calendar.see() method to make sure a date is visible
  • Make Calendar.selection_clear() actually clear the selection
  • Make locale option editable after the creation of the Calendar
  • Fix ValueError when retrieving default locale
  • Fix date parsing error in Swedish locale and some others (#44)
  • Improve compliance with ttk themes by making the DateEntry look like a ttk.Combobox (#42)
  • Fix high CPU issues in Windows (#36)

• tkcalendar 1.4.0

  • Add <<CalendarMonthChanged>> virtual event to the Calendar widget
  • Add get_displayed_month() method to the Calendar widget
  • Add showothermonthdays option to show/hide the last and first days of the previous and next months
  • Fix display of events for January days showing on December page and conversely

• tkcalendar 1.3.1

  • Fix bug in day selection when firstweekday is 'sunday' (#28)

• tkcalendar 1.3.0

  • No longer set locale globally to avoid conflicts between several instances, use babel module instead (#15)
  • Add showwekknumbers option to show/hide week numbers (#18)
  • Add firstweekday option to choose first week day between 'monday' and 'sunday' (#25)
  • Make DateEntry compatible with more ttk themes, especially OSX default theme (#16)
  • Add possibility to display special events (like birthdays, ..) in the calendar The events are displayed with colors defined by tags and the event description is displayed in a tooltip (see documentation) (#19)

• tkcalendar 1.2.1

  • Fix ValueError in DateEntry with Python 3.6.5 (#13)

• tkcalendar 1.2.0

  • Add textvariable option to Calendar (#6)
  • Add state ('normal' or 'disabled') option to Calendar
  • Add disabledselectbackground, disabledselectforeground, disableddaybackground and disableddayforeground options to configure colors when Calendar is disabled
  • Fix DateEntry behavior in readonly mode
  • Make Calendar.selection_get() always return a datetime.date

• tkcalendar 1.1.5

  • Fix endless triggering of <<ThemeChanged>> event in DateEntry (#9)

• tkcalendar 1.1.4

  • Fix error in January due to week 53
  • Fix DateEntry for ttk themes other than 'clam' (#3)

• tkcalendar 1.1.3

  • Make DateEntry support initialisation with partial dates (e.g. just year=2010)
  • Improve handling of wrong year-month-day combinations

• tkcalendar 1.1.2

  • Fix bug after destroying a DateEntry
  • Fix bug in style and font

• tkcalendar 1.1.1

  • Fix bug when content of DateEntry is not a valid date

• tkcalendar 1.1.0

  • Fix display of the first days of the next month
  • Increment year when going from December to January
  • Add widget DateEntry: date selection entry with drop-down calendar
  • Add borderwidth, othermonthbackground, othermonthweforeground, othermonthwebackground options to further customize the appearance of the calendar

• tkcalendar 1.0.0

  • Initial version

from tkcalendar import Calendar, DateEntry
try:
    import tkinter as tk
    from tkinter import ttk
except ImportError:
    import Tkinter as tk
    import ttk


def example1():
    def print_sel():
        print(cal.selection_get())
        cal.see(datetime.date(year=2016, month=2, day=5))

    top = tk.Toplevel(root)

    import datetime
    today = datetime.date.today()

    mindate = datetime.date(year=2018, month=1, day=21)
    maxdate = today + datetime.timedelta(days=5)
    print(mindate, maxdate)

    cal = Calendar(top, font="Arial 14", selectmode='day', locale='en_US',
                   mindate=mindate, maxdate=maxdate, disabledforeground='red',
                   cursor="hand1", year=2018, month=2, day=5)
    cal.pack(fill="both", expand=True)
    ttk.Button(top, text="ok", command=print_sel).pack()


def example2():

    top = tk.Toplevel(root)

    cal = Calendar(top, selectmode='none')
    date = cal.datetime.today() + cal.timedelta(days=2)
    cal.calevent_create(date, 'Hello World', 'message')
    cal.calevent_create(date, 'Reminder 2', 'reminder')
    cal.calevent_create(date + cal.timedelta(days=-2), 'Reminder 1', 'reminder')
    cal.calevent_create(date + cal.timedelta(days=3), 'Message', 'message')

    cal.tag_config('reminder', background='red', foreground='yellow')

    cal.pack(fill="both", expand=True)
    ttk.Label(top, text="Hover over the events.").pack()


def example3():
    top = tk.Toplevel(root)

    ttk.Label(top, text='Choose date').pack(padx=10, pady=10)

    cal = DateEntry(top, width=12, background='darkblue',
                    foreground='white', borderwidth=2, year=2010)
    cal.pack(padx=10, pady=10)


root = tk.Tk()
ttk.Button(root, text='Calendar', command=example1).pack(padx=10, pady=10)
ttk.Button(root, text='Calendar with events', command=example2).pack(padx=10, pady=10)
ttk.Button(root, text='DateEntry', command=example3).pack(padx=10, pady=10)

root.mainloop()