diff --git a/internal/p10k.zsh b/internal/p10k.zsh
index f73dd208..443111f2 100644
--- a/internal/p10k.zsh
+++ b/internal/p10k.zsh
@@ -3527,7 +3527,8 @@ _p9k_prompt_time_compute() {
 }
 
 _p9k_prompt_time_async() {
-  sleep 1 || true
+  zmodload zsh/mathfunc zsh/zselect || return
+  zselect -t $((int(ceil(_POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC * 100)))) || true
 }
 
 _p9k_prompt_time_sync() {
@@ -7809,8 +7810,10 @@ _p9k_init_params() {
   # commands will contain the start times of their commands as opposed to the default
   # behavior where they contain the end times of their preceding commands.
   _p9k_declare -b POWERLEVEL9K_TIME_UPDATE_ON_COMMAND 0
-  # If set to true, time will update every second.
+  # If set to true, time will update every
+  # POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC seconds.
   _p9k_declare -b POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME 0
+  _p9k_declare -F POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC 1
 
   _p9k_declare -b POWERLEVEL9K_NIX_SHELL_INFER_FROM_PATH 0
   typeset -g _p9k_nix_shell_cond='${IN_NIX_SHELL:#0}'