diff --git a/FSCalendar/FSCalendar.m b/FSCalendar/FSCalendar.m
index 9b51fa2..c3c740a 100644
--- a/FSCalendar/FSCalendar.m
+++ b/FSCalendar/FSCalendar.m
@@ -158,7 +158,7 @@ typedef NS_ENUM(NSUInteger, FSCalendarOrientation) {
     _formatter = [[NSDateFormatter alloc] init];
     _formatter.dateFormat = @"yyyy-MM-dd";
     _locale = [NSLocale currentLocale];
-    _timeZone = [NSTimeZone localTimeZone];
+    _timeZone = [NSTimeZone defaultTimeZone];
     _firstWeekday = 1;
     [self invalidateDateTools];