Use timestamp with timezone offset to (finally) fix weather issue

weather/weather.go

@@ -82,8 +82,12 @@ type TimelineHeader struct {
 // NewHeader creates and populates a new timeline header
 // and returns it
 func NewHeader(evtType EventType, expires time.Duration) TimelineHeader {
+	now := time.Now()
+	_, offset := now.Zone()
+	now = now.Add(time.Duration(offset) * time.Second)
+
 	return TimelineHeader{
-		Timestamp: uint64(time.Now().Unix()),
+		Timestamp: uint64(now.Unix()),
 		Expires:   uint32(expires.Seconds()),
 		EventType: evtType,
 	}