diff --git a/doc/src/sgml/datetime.sgml b/doc/src/sgml/datetime.sgml
index 47f857af8b7..6296040d813 100644
--- a/doc/src/sgml/datetime.sgml
+++ b/doc/src/sgml/datetime.sgml
@@ -1,5 +1,5 @@
@@ -367,11 +367,6 @@ Date/time details
+07:00
Christmas (Island) Time
-
- ALMT
- +06:00
- Almaty Time
-
+
+ MMT
+ +06:30
+ Myannar Time
+
+
+ ALMT
+ +06:00
+ Almaty Time
+
MAWT
+06:00
@@ -426,7 +431,7 @@ Date/time details
Mahe Island Time
- IT
+ IRT, IT
+03:30
Iran Time
@@ -711,6 +716,11 @@ Date/time details
-09:00
Yukon Standard Time
+
+ MART
+ -09:30
+ Marquesas Time
+
AHST
-10:00