Document that feedparser returns datetimes in UTC

Fixes kurtmckee#51

Author: kurtmckee

NEWS

@@ -7,6 +7,7 @@ coming in the next release:
     * Update the default User-Agent name and URL
     * Catch EOFError when using gzip in Python 3.4
     * Issue 20: Support Middle European (Summer) Time timezones
+    * Issue 51: Document that datetimes are returned in UTC
 
 5.2.1 - July 23, 2015
     * Fix #22 (pip package keeps upgrading all the time)

docs/date-parsing.rst

@@ -6,7 +6,8 @@ Date Parsing
 Different feed types and versions use wildly different date formats.
 :program:`Universal Feed Parser` will attempt to auto-detect the date format
 used in any date element, and parse it into a standard :program:`Python`
-9-tuple, as documented in `the Python time module <http://docs.python.org/lib/module-time.html>`_.
+9-tuple in UTC, as documented in
+`the Python time module <http://docs.python.org/lib/module-time.html>`_.
 
 The following elements are parsed as dates: