diff --git a/API.md b/API.md
index 950af84..43b5b22 100644
--- a/API.md
+++ b/API.md
@@ -112,14 +112,16 @@ used in `calendar.register_holiday`.
 
 ### `calendar.show_calendar(player_name, settings, wanted_months, wanted_years)`
 Display a graphical calendar to player. It shows the days of a single month
-with one numbered box per day. Holidays and the current day are marked and
-have a tooltip.
+with one numbered box per day. Also, holidays and the current day can be marked and
+get a tooltip.
 
 * `player_name`: Named of player
 * `settings`: Table to customize calendar:
     * `ordinal`: If `true`, use ordinal numbers, otherwise, use cardinal numbers (default: `false`)
     * `show_weekdays`: If `true`, show weekdays and arrange the day boxes to weekdays (default: `true`)
-    * `show_controls`: If `true`, show buttons to change the month and year
+    * `show_today`: If `true`, mark today (default: `true`)
+    * `show_holiday`: If `true`, mark holidays (default: `true`)
+    * `show_controls`: If `true`, show buttons to change the month and year (default: `true`)
 * `wanted_months`: Which cardinal calendar month to show (default: current one)
 * `wanted_years`: Which cardinal calendar year to show (default: current one)
 
diff --git a/gui.lua b/gui.lua
index ff9f6b5..464a591 100644
--- a/gui.lua
+++ b/gui.lua
@@ -14,22 +14,21 @@ local COLOR_TOOLTIP_TODAY = COLOR_DAYBOX_TODAY
 
 local player_current_calendars = {}
 
-local ORDINAL = true
-local SHOW_WEEKDAYS = true
-local SHOW_CONTROLS = true
-local DEFAULT_SETTINGS = { ordinal = ORDINAL, show_weekdays = SHOW_WEEKDAYS, show_controls = SHOW_CONTROLS }
+local DEFAULT_SETTINGS = {
+	ordinal = true,
+	show_weekdays = true,
+	show_today = true,
+	show_holidays = true,
+	show_controls = true,
+}
 
 function calendar.show_calendar(player_name, settings, wanted_months, wanted_years)
-	local ordinal, show_weekdays, show_controls
 	if not settings then
 		settings = DEFAULT_SETTINGS
 	end
-	ordinal = settings.ordinal
-	show_weekdays = settings.show_weekdays
-	show_controls = settings.show_controls
 	local days, months, years = calendar.get_date()
 	local total_days = minetest.get_day_count()
-	local ddays, dmonths, dyears = calendar.get_date(nil, ordinal)
+	local ddays, dmonths, dyears = calendar.get_date(nil, settings.ordinal)
 	local wanted_dmonths, wanted_dyears
 	if not wanted_months then
 		wanted_months = months
@@ -39,12 +38,12 @@ function calendar.show_calendar(player_name, settings, wanted_months, wanted_yea
 	end
 	wanted_dmonths = wanted_months
 	wanted_dyears = wanted_years
-	if ordinal then
+	if settings.ordinal then
 		wanted_dmonths = wanted_dmonths + 1
 		wanted_dyears = wanted_dyears + 1
 	end
 	local formspec = ""
-	if ordinal then
+	if settings.ordinal then
 		formspec = formspec .. "label[0.5,0.5;"..F(S("Month @1, year @2", wanted_dmonths, wanted_dyears)).."]"
 	else
 		formspec = formspec .. "label[0.5,0.5;"..F(S("@1 months, @2 years", wanted_dmonths, wanted_dyears)).."]"
@@ -55,7 +54,7 @@ function calendar.show_calendar(player_name, settings, wanted_months, wanted_yea
 	tdays = tdays + wanted_months * calendar.MONTH_DAYS
 	local tdays_start = tdays
 	local weekday, x, y
-	if show_weekdays then
+	if settings.show_weekdays then
 		weekday = calendar.get_weekday(tdays)
 		x, y = 0.75, 1.2
 		for w=1, #calendar.weekday_names_short do
@@ -75,14 +74,14 @@ function calendar.show_calendar(player_name, settings, wanted_months, wanted_yea
 		end
 		x = (weekday*1.1)- 0.5
 		local pday = iday
-		if ordinal then
+		if settings.ordinal then
 			pday = iday + 1
 		end
 		local day_str = tostring(pday)
 		local box_color = COLOR_DAYBOX
 		local holidays = calendar.get_holidays(tdays)
 		local tooltip_lines = {}
-		if #holidays > 0 then
+		if settings.show_holidays and #holidays > 0 then
 			for h=1, #holidays do
 				table.insert(tooltip_lines, minetest.colorize(COLOR_HOLIDAY, holidays[h].name))
 			end
@@ -90,7 +89,7 @@ function calendar.show_calendar(player_name, settings, wanted_months, wanted_yea
 			box_color = COLOR_DAYBOX_HOLIDAY
 		end
 		day_str = F(day_str)
-		if tdays == total_days then
+		if settings.show_today and tdays == total_days then
 			formspec = formspec .. "box["..(x-0.05)..","..(y-0.05)..";1.1,1.1;"..COLOR_DAYBOX_TODAY.."]"
 			table.insert(tooltip_lines, minetest.colorize(COLOR_TOOLTIP_TODAY, S("Today")))
 		end
@@ -102,11 +101,11 @@ function calendar.show_calendar(player_name, settings, wanted_months, wanted_yea
 		tdays = tdays + 1
 	end
 	y = y + 1.1
-	if show_weekdays and calendar.get_weekday(tdays_start) <= calendar.get_weekday(tdays - 1) then
+	if settings.show_weekdays and calendar.get_weekday(tdays_start) <= calendar.get_weekday(tdays - 1) then
 		y = y + 1.1
 	end
 	y = y + 0.1
-	if show_controls then
+	if settings.show_controls then
 		if wanted_months > 0 or wanted_years > 0 then
 			formspec = formspec .. "button[0.5,"..y..";1,1;prev_year;<<]"
 			.. "button[1.5,"..y..";1,1;prev_month;<]"