diff --git a/web-apache-mysql/alpine/docker-entrypoint.sh b/web-apache-mysql/alpine/docker-entrypoint.sh
index 0f770ab42..6ff450c67 100755
--- a/web-apache-mysql/alpine/docker-entrypoint.sh
+++ b/web-apache-mysql/alpine/docker-entrypoint.sh
@@ -17,9 +17,6 @@ fi
 # Default Zabbix server port number
 : ${ZBX_SERVER_PORT:="10051"}
 
-# Default timezone for web interface
-: ${PHP_TZ:="Europe/Riga"}
-
 # Default directories
 # Configuration files directory
 ZABBIX_ETC_DIR="/etc/zabbix"
@@ -179,7 +176,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="MYSQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-apache-mysql/centos/docker-entrypoint.sh b/web-apache-mysql/centos/docker-entrypoint.sh
index 41647aa2a..0e64bdb55 100755
--- a/web-apache-mysql/centos/docker-entrypoint.sh
+++ b/web-apache-mysql/centos/docker-entrypoint.sh
@@ -17,9 +17,6 @@ fi
 # Default Zabbix server port number
 : ${ZBX_SERVER_PORT:="10051"}
 
-# Default timezone for web interface
-: ${PHP_TZ:="Europe/Riga"}
-
 # Default directories
 # Configuration files directory
 ZABBIX_ETC_DIR="/etc/zabbix"
@@ -188,7 +185,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="MYSQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-apache-mysql/ubuntu/docker-entrypoint.sh b/web-apache-mysql/ubuntu/docker-entrypoint.sh
index b20e16ef3..2b46916c8 100755
--- a/web-apache-mysql/ubuntu/docker-entrypoint.sh
+++ b/web-apache-mysql/ubuntu/docker-entrypoint.sh
@@ -17,9 +17,6 @@ fi
 # Default Zabbix server port number
 : ${ZBX_SERVER_PORT:="10051"}
 
-# Default timezone for web interface
-: ${PHP_TZ:="Europe/Riga"}
-
 # Default directories
 # Configuration files directory
 ZABBIX_ETC_DIR="/etc/zabbix"
@@ -179,7 +176,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="MYSQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-apache-pgsql/alpine/docker-entrypoint.sh b/web-apache-pgsql/alpine/docker-entrypoint.sh
index 32be2bf07..b52d56d5c 100755
--- a/web-apache-pgsql/alpine/docker-entrypoint.sh
+++ b/web-apache-pgsql/alpine/docker-entrypoint.sh
@@ -17,9 +17,6 @@ fi
 # Default Zabbix server port number
 : ${ZBX_SERVER_PORT:="10051"}
 
-# Default timezone for web interface
-: ${PHP_TZ:="Europe/Riga"}
-
 # Default directories
 # Configuration files directory
 ZABBIX_ETC_DIR="/etc/zabbix"
@@ -163,7 +160,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="POSTGRESQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-apache-pgsql/centos/docker-entrypoint.sh b/web-apache-pgsql/centos/docker-entrypoint.sh
index ca7eb0415..b6684fafa 100755
--- a/web-apache-pgsql/centos/docker-entrypoint.sh
+++ b/web-apache-pgsql/centos/docker-entrypoint.sh
@@ -17,9 +17,6 @@ fi
 # Default Zabbix server port number
 : ${ZBX_SERVER_PORT:="10051"}
 
-# Default timezone for web interface
-: ${PHP_TZ:="Europe/Riga"}
-
 #Enable PostgreSQL timescaleDB feature:
 ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
 
@@ -175,7 +172,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="POSTGRESQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-apache-pgsql/ubuntu/docker-entrypoint.sh b/web-apache-pgsql/ubuntu/docker-entrypoint.sh
index db3c9bddc..e359a2014 100755
--- a/web-apache-pgsql/ubuntu/docker-entrypoint.sh
+++ b/web-apache-pgsql/ubuntu/docker-entrypoint.sh
@@ -17,9 +17,6 @@ fi
 # Default Zabbix server port number
 : ${ZBX_SERVER_PORT:="10051"}
 
-# Default timezone for web interface
-: ${PHP_TZ:="Europe/Riga"}
-
 #Enable PostgreSQL timescaleDB feature:
 ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
 
@@ -170,7 +167,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="POSTGRESQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-nginx-mysql/alpine/docker-entrypoint.sh b/web-nginx-mysql/alpine/docker-entrypoint.sh
index dc0011932..d433dd373 100755
--- a/web-nginx-mysql/alpine/docker-entrypoint.sh
+++ b/web-nginx-mysql/alpine/docker-entrypoint.sh
@@ -17,9 +17,6 @@ ZBX_SERVER_HOST=${ZBX_SERVER_HOST:-"zabbix-server"}
 # Default Zabbix server port number
 ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 
-# Default timezone for web interface
-PHP_TZ=${PHP_TZ:-"Europe/Riga"}
-
 # Default directories
 # User 'zabbix' home directory
 ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
@@ -192,7 +189,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="MYSQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-nginx-mysql/centos/docker-entrypoint.sh b/web-nginx-mysql/centos/docker-entrypoint.sh
index 479ca9e1e..80a0c803a 100755
--- a/web-nginx-mysql/centos/docker-entrypoint.sh
+++ b/web-nginx-mysql/centos/docker-entrypoint.sh
@@ -17,9 +17,6 @@ ZBX_SERVER_HOST=${ZBX_SERVER_HOST:-"zabbix-server"}
 # Default Zabbix server port number
 ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 
-# Default timezone for web interface
-PHP_TZ=${PHP_TZ:-"Europe/Riga"}
-
 # Default directories
 # User 'zabbix' home directory
 ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
@@ -192,7 +189,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="MYSQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-nginx-mysql/ubuntu/docker-entrypoint.sh b/web-nginx-mysql/ubuntu/docker-entrypoint.sh
index 200f94042..28bb9f710 100755
--- a/web-nginx-mysql/ubuntu/docker-entrypoint.sh
+++ b/web-nginx-mysql/ubuntu/docker-entrypoint.sh
@@ -17,9 +17,6 @@ ZBX_SERVER_HOST=${ZBX_SERVER_HOST:-"zabbix-server"}
 # Default Zabbix server port number
 ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 
-# Default timezone for web interface
-PHP_TZ=${PHP_TZ:-"Europe/Riga"}
-
 # Default directories
 # User 'zabbix' home directory
 ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
@@ -192,7 +189,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="MYSQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-nginx-pgsql/alpine/docker-entrypoint.sh b/web-nginx-pgsql/alpine/docker-entrypoint.sh
index ee2b40aa2..e7c95b40d 100755
--- a/web-nginx-pgsql/alpine/docker-entrypoint.sh
+++ b/web-nginx-pgsql/alpine/docker-entrypoint.sh
@@ -17,9 +17,6 @@ ZBX_SERVER_HOST=${ZBX_SERVER_HOST:-"zabbix-server"}
 # Default Zabbix server port number
 ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 
-# Default timezone for web interface
-PHP_TZ=${PHP_TZ:-"Europe/Riga"}
-
 #Enable PostgreSQL timescaleDB feature:
 ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
 
@@ -178,7 +175,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="POSTGRESQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-nginx-pgsql/centos/docker-entrypoint.sh b/web-nginx-pgsql/centos/docker-entrypoint.sh
index 5c130e38c..81582c755 100755
--- a/web-nginx-pgsql/centos/docker-entrypoint.sh
+++ b/web-nginx-pgsql/centos/docker-entrypoint.sh
@@ -17,9 +17,6 @@ ZBX_SERVER_HOST=${ZBX_SERVER_HOST:-"zabbix-server"}
 # Default Zabbix server port number
 ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 
-# Default timezone for web interface
-PHP_TZ=${PHP_TZ:-"Europe/Riga"}
-
 #Enable PostgreSQL timescaleDB feature:
 ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
 
@@ -178,7 +175,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="POSTGRESQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/web-nginx-pgsql/ubuntu/docker-entrypoint.sh b/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
index a1e7e5975..7c2d2081c 100755
--- a/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
+++ b/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
@@ -17,9 +17,6 @@ ZBX_SERVER_HOST=${ZBX_SERVER_HOST:-"zabbix-server"}
 # Default Zabbix server port number
 ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 
-# Default timezone for web interface
-PHP_TZ=${PHP_TZ:-"Europe/Riga"}
-
 #Enable PostgreSQL timescaleDB feature:
 ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
 
@@ -178,7 +175,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="POSTGRESQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}
diff --git a/zabbix-appliance/rhel/docker-entrypoint.sh b/zabbix-appliance/rhel/docker-entrypoint.sh
index 8b6a80aff..db228d0ca 100755
--- a/zabbix-appliance/rhel/docker-entrypoint.sh
+++ b/zabbix-appliance/rhel/docker-entrypoint.sh
@@ -13,9 +13,6 @@ fi
 # Used only by Zabbix web-interface
 : ${ZBX_SERVER_NAME:="Zabbix docker"}
 
-# Default timezone for web interface
-: ${PHP_TZ:="Europe/Riga"}
-
 # Default MySQL instance location
 : ${DB_SERVER_HOST:="localhost"}
 : ${DB_SERVER_PORT:="3306"}
@@ -557,7 +554,7 @@ prepare_zbx_web_config() {
     export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
     export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
     export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
-    export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
+    export PHP_TZ=${PHP_TZ}
 
     export DB_SERVER_TYPE="MYSQL"
     export DB_SERVER_HOST=${DB_SERVER_HOST}