diff --git a/rss.go b/rss.go
index 62d9d7e..64ce52e 100644
--- a/rss.go
+++ b/rss.go
@@ -92,7 +92,7 @@ func newRssItem(i *Item) *RssItem {
 		Link:        i.Link.Href,
 		Description: i.Description,
 		Guid:        i.Id,
-		PubDate:     anyTimeFormat(time.RFC822, i.Created, i.Updated),
+		PubDate:     anyTimeFormat("2006-01-02T15:04:05-07:00", i.Created, i.Updated),
 	}
 
 	intLength, err := strconv.ParseInt(i.Link.Length, 10, 64)
@@ -108,8 +108,8 @@ func newRssItem(i *Item) *RssItem {
 
 // create a new RssFeed with a generic Feed struct's data
 func (r *Rss) RssFeed() *RssFeed {
-	pub := anyTimeFormat(time.RFC822, r.Created, r.Updated)
-	build := anyTimeFormat(time.RFC822, r.Updated)
+	pub := anyTimeFormat("2006-01-02T15:04:05-07:00", r.Created, r.Updated)
+	build := anyTimeFormat("2006-01-02T15:04:05-07:00", r.Updated)
 	author := ""
 	if r.Author != nil {
 		author = r.Author.Email