diff --git a/UI/MainUI/Welsh.lproj/Locale b/UI/MainUI/Welsh.lproj/Locale
index fed4bf312..f69d4b8b5 100644
--- a/UI/MainUI/Welsh.lproj/Locale
+++ b/UI/MainUI/Welsh.lproj/Locale
@@ -1,35 +1,35 @@
-/* English */
+/* Welsh */
 {
   NSLanguageName = "Welsh";
-  NSFormalName = "Welsh";
+  NSFormalName = "Cymraeg";
   NSLocaleCode = "cy"; /* ISO 639-1 */
   NSLanguageCode = "cym"; /* ISO 639-2 */
   NSParentContext = "";
 
-  NSAMPMDesignation = (AM, PM);
-  NSCurrencySymbol = "$";
-  NSDateFormatString = "%A, %B %e, %Y";
-  NSDateTimeOrdering = MDYH;
+  NSAMPMDesignation = (YB, YH);
+  NSCurrencySymbol = "£";
+  NSDateFormatString = "%A, %e %B, %Y";
+  NSDateTimeOrdering = DMYH;
   NSDecimalDigits = ("0", "1", "2", "3", "4", "5", "6", "7", "8", "9");
   NSDecimalSeparator = ".";
-  NSEarlierTimeDesignations = (prior, last, past, ago);
-  NSHourNameDesignations = ((0, midnight), (10, morning), (12, noon, lunch), (14, afternoon), (19, dinner));
-  NSInternationalCurrencyString = USD; /* ISO 4217 */
-  NSLaterTimeDesignations = (next);
-  NSMonthNameArray = (January, February, March, April, May, June, July, August, September, October, November, December);
-  NSNextDayDesignations = (tomorrow);
-  NSNextNextDayDesignations = (nextday);
-  NSPriorDayDesignations = (yesterday);
-  NSShortDateFormatString = "%m/%e/%y";
-  NSShortMonthNameArray = (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec);
-  NSShortTimeDateFormatString = "%m/%e/%y %I:%M %p";
-  NSShortWeekDayNameArray = (Sun, Mon, Tue, Wed, Thu, Fri, Sat);
-  NSThisDayDesignations = (today, now);
+  NSEarlierTimeDesignations = (cynt, diwethaf, blaenorol, "yn ôl");
+  NSHourNameDesignations = ((0, "canol nôs"), (10, "y bore"), (12, "canol dydd", cinio), (14, prynhawn), (19, swper));
+  NSInternationalCurrencyString = GBP; /* ISO 4217 */
+  NSLaterTimeDesignations = (nesaf);
+  NSMonthNameArray = (Ionawr, Chwefror, Mawrth, Ebrill, Mai, Mehefin, Gorffennaf, Awst, Medi, Hydref, Tachwedd, Rhagfyr);
+  NSNextDayDesignations = (yfory);
+  NSNextNextDayDesignations = ("diwrnod nesaf");
+  NSPriorDayDesignations = (ddoe);
+  NSShortDateFormatString = "%e/%m/%y";
+  NSShortMonthNameArray = (Ion, Chwe, Maw, Ebr, Mai, Meh, Gorff, Awst, Medi, Hyd, Tach, Rhag);
+  NSShortTimeDateFormatString = "%e/%m/%y %I:%M %p";
+  NSShortWeekDayNameArray = (Sul, Llun, Maw, Mer, Iau, Gwe, Sad);
+  NSThisDayDesignations = (heddiw, nawr);
   NSThousandsSeparator = ",";
-  NSTimeDateFormatString = "%A, %B %e, %Y %I:%M:%S %p %Z";
+  NSTimeDateFormatString = "%A, %e %B, %Y %I:%M:%S %p %Z";
   NSTimeFormatString = "%I:%M:%S %p";
-  NSWeekDayNameArray = (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday);
-  NSYearMonthWeekDesignations = (year, month, week);
-  NSPositiveCurrencyFormatString = "$9,999.00";
-  NSNegativeCurrencyFormatString = "-$9,999.00";
-}
+  NSWeekDayNameArray = (Sul, Llun, Mawrth, Mercher, Iau, Gwener, Sadwrn);
+  NSYearMonthWeekDesignations = (blwyddyn, "mîs", wythnos);
+  NSPositiveCurrencyFormatString = "£9,999.00";
+  NSNegativeCurrencyFormatString = "-£9,999.00";
+}
\ No newline at end of file