Index: src/OFZooArchiveEntry.m
==================================================================
--- src/OFZooArchiveEntry.m
+++ src/OFZooArchiveEntry.m
@@ -204,11 +204,11 @@
 				     format: @"%Y-%m-%d %H:%M:%S"];
 	else {
 		date = [OFDate dateWithDateString: dateString
 					   format: @"%Y-%m-%d %H:%M:%S"];
 		date = [[date dateByAddingTimeInterval:
-		    -(OFTimeInterval)_timeZone * 900] retain];
+		    (OFTimeInterval)_timeZone * 900] retain];
 	}
 
 	objc_autoreleasePoolPop(pool);
 
 	return [date autorelease];
@@ -217,11 +217,11 @@
 - (OFNumber *)timeZone
 {
 	if (_timeZone == 0x7F)
 		return nil;
 
-	return [OFNumber numberWithFloat: (float)_timeZone / 4];
+	return [OFNumber numberWithFloat: -(float)_timeZone / 4];
 }
 
 - (OFString *)description
 {
 	void *pool = objc_autoreleasePoolPush();