diff --git a/build/service/CalendarExtractor.php b/build/service/CalendarExtractor.php
index 3f2c798..751d8a6 100644
--- a/build/service/CalendarExtractor.php
+++ b/build/service/CalendarExtractor.php
@@ -245,7 +245,7 @@
 			/* [3] Convert to UTC (+0)
 			=========================================================*/
 			/* (1) Get local timezone */
-			$tz = date_default_timezone_get();
+			$tz = 'Europe/Paris';
 
 			/* (2) Get timezone offset */
 			$tz_offset = get_timezone_offset($tz);