diff --git a/nvim/init.lua b/nvim/init.lua
index aec0f5d..3f39b53 100644
--- a/nvim/init.lua
+++ b/nvim/init.lua
@@ -11,6 +11,7 @@ if not vim.loop.fs_stat(lazypath) then
 end
 vim.opt.rtp:prepend(lazypath)
 
+local Utils = require("juancwu.utils")
 require("juancwu.config").setup({
-	colorscheme = "kanagawa-dragon",
+	colorscheme = Utils.colors.get_timebased_colorscheme(),
 })
diff --git a/nvim/lua/juancwu/utils/colors.lua b/nvim/lua/juancwu/utils/colors.lua
new file mode 100644
index 0000000..4f83a80
--- /dev/null
+++ b/nvim/lua/juancwu/utils/colors.lua
@@ -0,0 +1,21 @@
+---@class juancwu.utils.colors
+local M = {}
+
+---@return boolean
+function M.is_daytime()
+	local current_hour = tonumber(os.date("%H"))
+	return current_hour >= 7 and current_hour < 19
+end
+
+---@return string
+function M.get_timebased_colorscheme()
+	local light = "kanagawa-lotus"
+	local dark = "kanagawa-dragon"
+	if M.is_daytime() then
+		return light
+	else
+		return dark
+	end
+end
+
+return M
diff --git a/nvim/lua/juancwu/utils/init.lua b/nvim/lua/juancwu/utils/init.lua
index 7c1034b..8b5d893 100644
--- a/nvim/lua/juancwu/utils/init.lua
+++ b/nvim/lua/juancwu/utils/init.lua
@@ -1,10 +1,11 @@
 ---@class Utils
 ---@field os juancwu.utils.os
+---@field colors juancwu.utils.colors
 local M = setmetatable({}, {
-    __index = function(t, k)
-        t[k] = require("juancwu.utils." .. k)
-        return t[k]
-    end
+	__index = function(t, k)
+		t[k] = require("juancwu.utils." .. k)
+		return t[k]
+	end,
 })
 
 return M