diff --git a/packages/shadcn-ui/package.json b/packages/shadcn-ui/package.json
index e8ee9268..281f5569 100644
--- a/packages/shadcn-ui/package.json
+++ b/packages/shadcn-ui/package.json
@@ -76,7 +76,7 @@
     "next-themes": "^0.4.6",
     "pnpm": "^10.10.0",
     "react": "^19.1.0",
-    "react-day-picker": "8.10.1",
+    "react-day-picker": "9.11.1",
     "react-dom": "^19.1.0",
     "react-hook-form": "^7.58.1",
     "react-resizable-panels": "^3.0.1",
diff --git a/packages/shadcn-ui/src/components/calendar.tsx b/packages/shadcn-ui/src/components/calendar.tsx
index 6fd3b3e4..8f57f15c 100644
--- a/packages/shadcn-ui/src/components/calendar.tsx
+++ b/packages/shadcn-ui/src/components/calendar.tsx
@@ -1,75 +1,210 @@
 "use client"
 
 import * as React from "react"
-import { ChevronLeft, ChevronRight } from "lucide-react"
-import { DayPicker } from "react-day-picker"
+import { DayButton, DayPicker, getDefaultClassNames } from "react-day-picker"
 
+import { Button, buttonVariants } from "@repo/shadcn-ui/components/button"
 import { cn } from "@repo/shadcn-ui/lib/utils"
-import { buttonVariants } from "@repo/shadcn-ui/components/button"
+import { ChevronDownIcon, ChevronLeftIcon, ChevronRightIcon } from 'lucide-react'
+
 
 function Calendar({
   className,
   classNames,
   showOutsideDays = true,
+  captionLayout = "label",
+  buttonVariant = "ghost",
+  formatters,
+  components,
   ...props
-}: React.ComponentProps<typeof DayPicker>) {
+}: React.ComponentProps<typeof DayPicker> & {
+  buttonVariant?: React.ComponentProps<typeof Button>["variant"]
+}) {
+  const defaultClassNames = getDefaultClassNames()
+
   return (
     <DayPicker
       showOutsideDays={showOutsideDays}
-      className={cn("p-3", className)}
+      className={cn(
+        "bg-background group/calendar p-3 [--cell-size:--spacing(8)] [[data-slot=card-content]_&]:bg-transparent [[data-slot=popover-content]_&]:bg-transparent",
+        String.raw`rtl:**:[.rdp-button\_next>svg]:rotate-180`,
+        String.raw`rtl:**:[.rdp-button\_previous>svg]:rotate-180`,
+        className
+      )}
+      captionLayout={captionLayout}
+      formatters={{
+        formatMonthDropdown: (date) =>
+          date.toLocaleString("default", { month: "short" }),
+        ...formatters,
+      }}
       classNames={{
-        months: "flex flex-col sm:flex-row gap-2",
-        month: "flex flex-col gap-4",
-        caption: "flex justify-center pt-1 relative items-center w-full",
-        caption_label: "text-sm font-medium",
-        nav: "flex items-center gap-1",
-        nav_button: cn(
-          buttonVariants({ variant: "outline" }),
-          "size-7 bg-transparent p-0 opacity-50 hover:opacity-100"
+        root: cn("w-fit", defaultClassNames.root),
+        months: cn(
+          "flex gap-4 flex-col md:flex-row relative",
+          defaultClassNames.months
         ),
-        nav_button_previous: "absolute left-1",
-        nav_button_next: "absolute right-1",
-        table: "w-full border-collapse space-x-1",
-        head_row: "flex",
-        head_cell:
-          "text-muted-foreground rounded-md w-8 font-normal text-[0.8rem]",
-        row: "flex w-full mt-2",
-        cell: cn(
-          "relative p-0 text-center text-sm focus-within:relative focus-within:z-20 [&:has([aria-selected])]:bg-accent [&:has([aria-selected].day-range-end)]:rounded-r-md",
-          props.mode === "range"
-            ? "[&:has(>.day-range-end)]:rounded-r-md [&:has(>.day-range-start)]:rounded-l-md first:[&:has([aria-selected])]:rounded-l-md last:[&:has([aria-selected])]:rounded-r-md"
-            : "[&:has([aria-selected])]:rounded-md"
+        month: cn("flex flex-col w-full gap-4", defaultClassNames.month),
+        nav: cn(
+          "flex items-center gap-1 w-full absolute top-0 inset-x-0 justify-between",
+          defaultClassNames.nav
+        ),
+        button_previous: cn(
+          buttonVariants({ variant: buttonVariant }),
+          "size-(--cell-size) aria-disabled:opacity-50 p-0 select-none",
+          defaultClassNames.button_previous
+        ),
+        button_next: cn(
+          buttonVariants({ variant: buttonVariant }),
+          "size-(--cell-size) aria-disabled:opacity-50 p-0 select-none",
+          defaultClassNames.button_next
+        ),
+        month_caption: cn(
+          "flex items-center justify-center h-(--cell-size) w-full px-(--cell-size)",
+          defaultClassNames.month_caption
+        ),
+        dropdowns: cn(
+          "w-full flex items-center text-sm font-medium justify-center h-(--cell-size) gap-1.5",
+          defaultClassNames.dropdowns
+        ),
+        dropdown_root: cn(
+          "relative has-focus:border-ring border border-input shadow-xs has-focus:ring-ring/50 has-focus:ring-[3px] rounded-md",
+          defaultClassNames.dropdown_root
+        ),
+        dropdown: cn(
+          "absolute bg-popover inset-0 opacity-0",
+          defaultClassNames.dropdown
+        ),
+        caption_label: cn(
+          "select-none font-medium",
+          captionLayout === "label"
+            ? "text-sm"
+            : "rounded-md pl-2 pr-1 flex items-center gap-1 text-sm h-8 [&>svg]:text-muted-foreground [&>svg]:size-3.5",
+          defaultClassNames.caption_label
+        ),
+        table: "w-full border-collapse",
+        weekdays: cn("flex", defaultClassNames.weekdays),
+        weekday: cn(
+          "text-muted-foreground rounded-md flex-1 font-normal text-[0.8rem] select-none",
+          defaultClassNames.weekday
+        ),
+        week: cn("flex w-full mt-2", defaultClassNames.week),
+        week_number_header: cn(
+          "select-none w-(--cell-size)",
+          defaultClassNames.week_number_header
+        ),
+        week_number: cn(
+          "text-[0.8rem] select-none text-muted-foreground",
+          defaultClassNames.week_number
         ),
         day: cn(
-          buttonVariants({ variant: "ghost" }),
-          "size-8 p-0 font-normal aria-selected:opacity-100"
+          "relative w-full h-full p-0 text-center [&:first-child[data-selected=true]_button]:rounded-l-md [&:last-child[data-selected=true]_button]:rounded-r-md group/day aspect-square select-none",
+          defaultClassNames.day
         ),
-        day_range_start:
-          "day-range-start aria-selected:bg-primary aria-selected:text-primary-foreground",
-        day_range_end:
-          "day-range-end aria-selected:bg-primary aria-selected:text-primary-foreground",
-        day_selected:
-          "bg-primary text-primary-foreground hover:bg-primary hover:text-primary-foreground focus:bg-primary focus:text-primary-foreground",
-        day_today: "bg-accent text-accent-foreground",
-        day_outside:
-          "day-outside text-muted-foreground aria-selected:text-muted-foreground",
-        day_disabled: "text-muted-foreground opacity-50",
-        day_range_middle:
-          "aria-selected:bg-accent aria-selected:text-accent-foreground",
-        day_hidden: "invisible",
+        range_start: cn(
+          "rounded-l-md bg-accent",
+          defaultClassNames.range_start
+        ),
+        range_middle: cn("rounded-none", defaultClassNames.range_middle),
+        range_end: cn("rounded-r-md bg-accent", defaultClassNames.range_end),
+        today: cn(
+          "bg-accent text-accent-foreground rounded-md data-[selected=true]:rounded-none",
+          defaultClassNames.today
+        ),
+        outside: cn(
+          "text-muted-foreground aria-selected:text-muted-foreground",
+          defaultClassNames.outside
+        ),
+        disabled: cn(
+          "text-muted-foreground opacity-50",
+          defaultClassNames.disabled
+        ),
+        hidden: cn("invisible", defaultClassNames.hidden),
         ...classNames,
       }}
       components={{
-        IconLeft: ({ className, ...props }) => (
-          <ChevronLeft className={cn("size-4", className)} {...props} />
-        ),
-        IconRight: ({ className, ...props }) => (
-          <ChevronRight className={cn("size-4", className)} {...props} />
-        ),
+        Root: ({ className, rootRef, ...props }) => {
+          return (
+            <div
+              data-slot="calendar"
+              ref={rootRef}
+              className={cn(className)}
+              {...props}
+            />
+          )
+        },
+        Chevron: ({ className, orientation, ...props }) => {
+          if (orientation === "left") {
+            return (
+              <ChevronLeftIcon className={cn("size-4", className)} {...props} />
+            )
+          }
+
+          if (orientation === "right") {
+            return (
+              <ChevronRightIcon
+                className={cn("size-4", className)}
+                {...props}
+              />
+            )
+          }
+
+          return (
+            <ChevronDownIcon className={cn("size-4", className)} {...props} />
+          )
+        },
+        DayButton: CalendarDayButton,
+        WeekNumber: ({ children, ...props }) => {
+          return (
+            <td {...props}>
+              <div className="flex size-(--cell-size) items-center justify-center text-center">
+                {children}
+              </div>
+            </td>
+          )
+        },
+        ...components,
       }}
       {...props}
     />
   )
 }
 
-export { Calendar }
+function CalendarDayButton({
+  className,
+  day,
+  modifiers,
+  ...props
+}: React.ComponentProps<typeof DayButton>) {
+  const defaultClassNames = getDefaultClassNames()
+
+  const ref = React.useRef<HTMLButtonElement>(null)
+  React.useEffect(() => {
+    if (modifiers.focused) ref.current?.focus()
+  }, [modifiers.focused])
+
+  return (
+    <Button
+      ref={ref}
+      variant="ghost"
+      size="icon"
+      data-day={day.date.toLocaleDateString()}
+      data-selected-single={
+        modifiers.selected &&
+        !modifiers.range_start &&
+        !modifiers.range_end &&
+        !modifiers.range_middle
+      }
+      data-range-start={modifiers.range_start}
+      data-range-end={modifiers.range_end}
+      data-range-middle={modifiers.range_middle}
+      className={cn(
+        "data-[selected-single=true]:bg-primary data-[selected-single=true]:text-primary-foreground data-[range-middle=true]:bg-accent data-[range-middle=true]:text-accent-foreground data-[range-start=true]:bg-primary data-[range-start=true]:text-primary-foreground data-[range-end=true]:bg-primary data-[range-end=true]:text-primary-foreground group-data-[focused=true]/day:border-ring group-data-[focused=true]/day:ring-ring/50 dark:hover:text-accent-foreground flex aspect-square size-auto w-full min-w-(--cell-size) flex-col gap-1 leading-none font-normal group-data-[focused=true]/day:relative group-data-[focused=true]/day:z-10 group-data-[focused=true]/day:ring-[3px] data-[range-end=true]:rounded-md data-[range-end=true]:rounded-r-md data-[range-middle=true]:rounded-none data-[range-start=true]:rounded-md data-[range-start=true]:rounded-l-md [&>span]:text-xs [&>span]:opacity-70",
+        defaultClassNames.day,
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Calendar, CalendarDayButton }
diff --git a/packages/shadcn-ui/src/styles/globals.css b/packages/shadcn-ui/src/styles/globals.css
index d06e199e..86295aaa 100644
--- a/packages/shadcn-ui/src/styles/globals.css
+++ b/packages/shadcn-ui/src/styles/globals.css
@@ -89,8 +89,8 @@
   --shadow-lg: 1px 1px 6px 0px hsl(0 0% 0% / 0.1), 1px 4px 6px -1px hsl(0 0% 0% / 0.1);
   --shadow-xl: 1px 1px 6px 0px hsl(0 0% 0% / 0.1), 1px 8px 10px -1px hsl(0 0% 0% / 0.1);
   --shadow-2xl: 1px 1px 6px 0px hsl(0 0% 0% / 0.25);
-  --tracking-normal: 0em;
-  --spacing: 0.20rem;
+  --tracking-normal: 0rem;
+  --spacing: 0.25rem;
 }
 
 .dark {