diff --git a/CHANGELOG.md b/CHANGELOG.md
index b703c7412..589a19636 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ All notable changes to this project will be documented in this file.
 
 ## [13.0.0.1]
 ### Added
+- Command ``Delay -1`` to wait until next second (#18984)
 
 ### Breaking Changed
 - Berry `bool( [] )` and `bool( {} )` now evaluate as `false` (#18986)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index de625b717..e3395e77e 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -112,6 +112,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 
 ## Changelog v13.0.0.1
 ### Added
+- Command ``Delay -1`` to wait until next second [#18984](https://github.com/arendst/Tasmota/issues/18984)
 
 ### Breaking Changed
 - Berry `bool( [] )` and `bool( {} )` now evaluate as `false` [#18986](https://github.com/arendst/Tasmota/issues/18986)
diff --git a/tasmota/tasmota_support/support_command.ino b/tasmota/tasmota_support/support_command.ino
index ca205150d..c775b8aab 100644
--- a/tasmota/tasmota_support/support_command.ino
+++ b/tasmota/tasmota_support/support_command.ino
@@ -651,9 +651,15 @@ void CmndJson(void) {
   }
 }
 
-void CmndDelay(void)
-{
-  if ((XdrvMailbox.payload >= (MIN_BACKLOG_DELAY / 100)) && (XdrvMailbox.payload <= 3600)) {
+void CmndDelay(void) {
+  // Delay -1  - Wait until next second
+  // Delay 1   - Wait default time (200ms)
+  // Delay 2   - Wait 2 x 100ms
+  // Delay 10  - Wait 10 x 100ms
+  if (XdrvMailbox.payload == -1) {
+    TasmotaGlobal.backlog_timer = millis() + (1000 - RtcMillis());  // Next second (#18984)
+  }
+  else if ((XdrvMailbox.payload >= (MIN_BACKLOG_DELAY / 100)) && (XdrvMailbox.payload <= 3600)) {
     TasmotaGlobal.backlog_timer = millis() + (100 * XdrvMailbox.payload);
   }
   uint32_t bl_delay = 0;