diff --git a/source/i18n/L10n.cpp b/source/i18n/L10n.cpp
index fc2ff993e0..c822a10328 100644
--- a/source/i18n/L10n.cpp
+++ b/source/i18n/L10n.cpp
@@ -387,7 +387,7 @@ std::string L10n::FormatMillisecondsIntoDateString(const UDate& milliseconds, co
 	if (U_FAILURE(status))
 		LOGERROR("Error creating SimpleDateFormat: %s", u_errorName(status));
 
-	const TimeZone* timeZone = TimeZone::getGMT();
+	const TimeZone* timeZone = TimeZone::createDefault();
 
 	status = U_ZERO_ERROR;
 	Calendar* calendar = Calendar::createInstance(*timeZone, currentLocale, status);
diff --git a/source/i18n/L10n.h b/source/i18n/L10n.h
index 8b1b1269b3..0cc6842977 100644
--- a/source/i18n/L10n.h
+++ b/source/i18n/L10n.h
@@ -427,7 +427,7 @@ public:
 	std::string LocalizeDateTime(const UDate& dateTime, const DateTimeType& type, const DateFormat::EStyle& style) const;
 
 	/**
-	 * Returns the specified date using the specified date format.
+	 * Returns the specified date converted to the local timezone using the specified date format.
 	 *
 	 * @param milliseconds Date specified as a UNIX timestamp in milliseconds
 	 *        (not seconds).
diff --git a/source/i18n/scripting/JSInterface_L10n.h b/source/i18n/scripting/JSInterface_L10n.h
index fa9d33c140..809148c4a8 100644
--- a/source/i18n/scripting/JSInterface_L10n.h
+++ b/source/i18n/scripting/JSInterface_L10n.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2014 Wildfire Games.
+/* Copyright (C) 2016 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -153,7 +153,7 @@ namespace JSI_L10n
 	std::vector<std::wstring> TranslateArray(ScriptInterface::CxPrivate* UNUSED(pCxPrivate), const std::vector<std::wstring>& sourceArray);
 
 	/**
-	 * Returns the specified date using the specified date format.
+	 * Returns the specified date converted to the local timezone using the specified date format.
 	 *
 	 * This is a JavaScript interface to
 	 * L10n::FormatMillisecondsIntoDateString().