diff --git a/grammars/toml.cson b/grammars/toml.cson
index 0d123d1..1309474 100644
--- a/grammars/toml.cson
+++ b/grammars/toml.cson
@@ -212,6 +212,10 @@
           '2': 'name': 'keyword.other.offset.toml'
           '3': 'name': 'keyword.other.offset.toml'
       }
+      {
+        'match': '\\d{2}:\\d{2}:\\d{2}(?:\\.\\d+)?'
+        'name': 'constant.numeric.date.toml'
+      }
       {
         'match': '[+-]?(0|[1-9]\\d*)(_\\d+)*((\\.\\d+)(_\\d+)*)?([eE][+-]?\\d+(_\\d+)*)?'
         'name': 'constant.numeric.toml'