From c1159e2c50a90296bd34446a78a2e87f8b107376 Mon Sep 17 00:00:00 2001
From: drewlanenga <drew.lanenga@gmail.com>
Date: Tue, 13 Sep 2016 10:40:04 -0400
Subject: [PATCH] add support for GMT formatted offsets

---
 parseany.go      | 24 ++++++++++++++++++++----
 parseany_test.go |  9 +++++++++
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/parseany.go b/parseany.go
index 7fd69df..4bdcd54 100644
--- a/parseany.go
+++ b/parseany.go
@@ -497,25 +497,41 @@ iterRunes:
 			if t, err := time.Parse("2006-01-02 15:04:05 UTC", datestr); err == nil {
 				return t, nil
 			} else {
-				return time.Time{}, err
+				if t, err := time.Parse("2006-01-02 15:04:05 GMT", datestr); err == nil {
+					return t, nil
+				} else {
+					return time.Time{}, err
+				}
 			}
 		case len("2015-02-18 00:12:00 +0000 UTC"):
 			if t, err := time.Parse("2006-01-02 15:04:05 +0000 UTC", datestr); err == nil {
 				return t, nil
 			} else {
-				return time.Time{}, err
+				if t, err = time.Parse("2006-01-02 15:04:05 +0000 GMT", datestr); err == nil {
+					return t, nil
+				} else {
+					return time.Time{}, err
+				}
 			}
 		case len("2015-09-30 18:48:56.35272715 +0000 UTC"):
 			if t, err := time.Parse("2006-01-02 15:04:05.00000000 +0000 UTC", datestr); err == nil {
 				return t, nil
 			} else {
-				return time.Time{}, err
+				if t, err := time.Parse("2006-01-02 15:04:05.00000000 +0000 GMT", datestr); err == nil {
+					return t, nil
+				} else {
+					return time.Time{}, err
+				}
 			}
 		case len("2015-06-25 01:25:37.115208593 +0000 UTC"):
 			if t, err := time.Parse("2006-01-02 15:04:05.000000000 +0000 UTC", datestr); err == nil {
 				return t, nil
 			} else {
-				return time.Time{}, err
+				if t, err := time.Parse("2006-01-02 15:04:05.000000000 +0000 GMT", datestr); err == nil {
+					return t, nil
+				} else {
+					return time.Time{}, err
+				}
 			}
 		}
 	case ST_DIGITSLASH: // starts digit then slash 02/ (but nothing else)
diff --git a/parseany_test.go b/parseany_test.go
index a84e96d..3307a4d 100644
--- a/parseany_test.go
+++ b/parseany_test.go
@@ -117,6 +117,10 @@ func TestParse(t *testing.T) {
 	//u.Debug(ts.In(time.UTC).Unix(), ts.In(time.UTC))
 	assert.T(t, "2006-01-02 22:04:05 +0000 UTC" == fmt.Sprintf("%v", ts.In(time.UTC)))
 
+	ts, err = ParseAny("2015-02-18 00:12:00 +0000 GMT")
+	assert.Tf(t, err == nil, "%v", err)
+	assert.T(t, "2015-02-18 00:12:00 +0000 UTC" == fmt.Sprintf("%v", ts.In(time.UTC)))
+
 	// Golang Native Format
 	ts, err = ParseAny("2015-02-18 00:12:00 +0000 UTC")
 	assert.Tf(t, err == nil, "%v", err)
@@ -277,6 +281,11 @@ func TestParse(t *testing.T) {
 	//u.Debug(ts.In(time.UTC).Unix(), ts.In(time.UTC))
 	assert.T(t, "2014-12-16 06:20:00 +0000 UTC" == fmt.Sprintf("%v", ts.In(time.UTC)))
 
+	ts, err = ParseAny("2014-12-16 06:20:00 GMT")
+	assert.Tf(t, err == nil, "%v", err)
+	//u.Debug(ts.In(time.UTC).Unix(), ts.In(time.UTC))
+	assert.T(t, "2014-12-16 06:20:00 +0000 UTC" == fmt.Sprintf("%v", ts.In(time.UTC)))
+
 	ts, err = ParseAny("2014-04-26 05:24:37 PM")
 	assert.Tf(t, err == nil, "%v", err)
 	//u.Debug(ts.In(time.UTC).Unix(), ts.In(time.UTC))