diff --git a/utils/airtime-check-system.php b/utils/airtime-check-system.php
index 91fe19c5e..39d9b19b7 100644
--- a/utils/airtime-check-system.php
+++ b/utils/airtime-check-system.php
@@ -2,6 +2,8 @@
 
 AirtimeCheck::ExitIfNotRoot();
 
+date_default_timezone_set("UTC");
+
 $sapi_type = php_sapi_name();
 
 $showColor = !in_array("--no-color", $argv);
diff --git a/utils/airtime-log.php b/utils/airtime-log.php
index b98cc34c0..7a1050e72 100644
--- a/utils/airtime-log.php
+++ b/utils/airtime-log.php
@@ -2,6 +2,8 @@
 
 exitIfNotRoot();
 
+date_default_timezone_set("UTC");
+
 $airtimeIni = getAirtimeConf();
 $airtime_base_dir = $airtimeIni['general']['airtime_dir'];
 
diff --git a/utils/phone_home_stat.php b/utils/phone_home_stat.php
index 47929f5f7..d25c546f7 100644
--- a/utils/phone_home_stat.php
+++ b/utils/phone_home_stat.php
@@ -2,6 +2,8 @@
 
 exitIfNotRoot();
 
+date_default_timezone_set("UTC");
+
 $values = parse_ini_file('/etc/airtime/airtime.conf', true);
 
 // Name of the web server user
diff --git a/utils/soundcloud-uploader.php b/utils/soundcloud-uploader.php
index 2660d32e2..2b4615a8c 100644
--- a/utils/soundcloud-uploader.php
+++ b/utils/soundcloud-uploader.php
@@ -1,4 +1,6 @@
 <?php
+date_default_timezone_set("UTC");
+
 $values = parse_ini_file('/etc/airtime/airtime.conf', true);
 
 // Name of the web server user