diff --git a/.config/nvim/lua/config/options.lua b/.config/nvim/lua/config/options.lua
index 2c19de9..007936a 100644
--- a/.config/nvim/lua/config/options.lua
+++ b/.config/nvim/lua/config/options.lua
@@ -19,6 +19,15 @@ vim.opt.wrap = true -- Enable line wrap
 
 vim.opt.spelllang = { "en", "nl" }
 
+-- Replace 'dayh' with a formatted day header
+vim.cmd("iab <expr> dayh strftime('== %Y%m%d %A ======')")
+-- Replace 'timeh' with a formatted date/time header
+vim.cmd("iab <expr> timeh strftime('## %Y%m%d %a %H:%M:%S')")
+
+-- vim.cmd("iabbrev <expr> ,d strftime('%Y-%m-%d')")
+-- vim.cmd("iabbrev <expr> ,t strftime('%Y-%m-%dT%TZ')")
+vim.cmd("inoreabbrev <expr> ,u system('uuidgen')->trim()->tolower()")
+
 -- Enable autoread and set up checking triggers
 vim.o.autoread = true
 vim.api.nvim_create_autocmd({ "FocusGained", "BufEnter" }, {