diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7956427..128d5525 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ### Development versions after 0.9.1 release
 
+#### Build 2005020
+
+-   Added ACST and ACST/ACDT timezones
+
 #### Build 2005010
 
 -   Added module info page to web UI
diff --git a/wled00/html_settings.h b/wled00/html_settings.h
index 1e6db0d0..d3b78d4d 100644
--- a/wled00/html_settings.h
+++ b/wled00/html_settings.h
@@ -384,6 +384,8 @@ Time zone:
 <option value="13">North Korea</option>
 <option value="14">IST (India)</option>
 <option value="15">CA-Saskatchewan</option>
+<option value="16">ACST</option>
+<option value="17">ACST/ACDT</option>
 </select><br>
 UTC offset: <input name="UO" type="number" min="-65500" max="65500" required> seconds (max. 18 hours)<br>
 Current local time is <span class="times">unknown</span>.
diff --git a/wled00/ntp.cpp b/wled00/ntp.cpp
index d6332fd2..4836ed34 100644
--- a/wled00/ntp.cpp
+++ b/wled00/ntp.cpp
@@ -60,8 +60,13 @@ Timezone tzNK(NKST, NKST);
 TimeChangeRule IST = {Last, Sun, Mar, 1, 330};     // India Standard Time = UTC + 5.5 hours
 Timezone tzIndia(IST, IST);
 
+TimeChangeRule ACST = {First, Sun, Apr, 3, 570};   //Australian Central Standard = UTC + 9.5 hours
+TimeChangeRule ACDT = {First, Sun, Oct, 2, 630};   //Australian Central Daylight = UTC + 10.5 hours
+Timezone tzAUNorthern(ACST, ACST);
+Timezone tzAUSouthern(ACDT, ACST);
+
 // Pick your timezone from here.
-Timezone* timezones[] = {&tzUTC, &tzUK, &tzEUCentral, &tzEUEastern, &tzUSEastern, &tzUSCentral, &tzUSMountain, &tzUSArizona, &tzUSPacific, &tzChina, &tzJapan, &tzAUEastern, &tzNZ, &tzNK, &tzIndia, &tzCASaskatchewan};  
+Timezone* timezones[] = {&tzUTC, &tzUK, &tzEUCentral, &tzEUEastern, &tzUSEastern, &tzUSCentral, &tzUSMountain, &tzUSArizona, &tzUSPacific, &tzChina, &tzJapan, &tzAUEastern, &tzNZ, &tzNK, &tzIndia, &tzCASaskatchewan, &tzAUNorthern, &tzAUSouthern};  
 
 void handleNetworkTime()
 {
diff --git a/wled00/wled.h b/wled00/wled.h
index 66b8d495..1a04b3e5 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2005010
+#define VERSION 2005020
 
 // ESP8266-01 (blue) got too little storage space to work with all features of WLED. To use it, you must use ESP8266 Arduino Core v2.4.2 and the setting 512K(No SPIFFS).