diff --git a/src/NtpClientLib.h b/src/NtpClientLib.h
index 3be7f35..9c5fa0a 100644
--- a/src/NtpClientLib.h
+++ b/src/NtpClientLib.h
@@ -335,6 +335,7 @@ class NTPClient{
 protected:
 
 	bool _daylight; //Does this time zone have daylight saving?
+    int8_t _timeZone; //Keep track of set time zone offset
 	int _shortInterval; //Interval to set periodic time sync until first synchronization.
 	int _longInterval; //Interval to set periodic time sync
 	time_t _lastSyncd = 0; //Stored time of last successful sync