diff --git a/src/DateHandler/_DateDisplay.py b/src/DateHandler/_DateDisplay.py
index ad18180db..c2e3d9b24 100644
--- a/src/DateHandler/_DateDisplay.py
+++ b/src/DateHandler/_DateDisplay.py
@@ -162,12 +162,12 @@ class DateDisplay:
             val = - val
             
         if slash:
-            if val % 100 == 99:
-                year = "%d/%d" % (val, (val%1000)+1)
-            elif val % 10 == 9:
-                year = "%d/%d" % (val, (val%100)+1)
+            if (val-1) % 100 == 99:
+                year = "%d/%d" % (val - 1, (val%1000))
+            elif (val-1) % 10 == 9:
+                year = "%d/%d" % (val - 1, (val%100))
             else:
-                year = "%d/%d" % (val, (val%10)+1)
+                year = "%d/%d" % (val - 1, (val%10))
         else:
             year = "%d" % (val)
         
diff --git a/src/DateHandler/_DateParser.py b/src/DateHandler/_DateParser.py
index a229e7c55..0b16159ec 100644
--- a/src/DateHandler/_DateParser.py
+++ b/src/DateHandler/_DateParser.py
@@ -328,8 +328,12 @@ class DateParser:
                 s = False
             else:
                 d = self._get_int(groups[1])
-                y = int(groups[3])
-                s = groups[4] != None
+                if groups[4] != None: # slash year digit
+                    y = int(groups[3][:-1] + groups[4])
+                    s = True
+                else: # regular, non-slash date
+                    y = int(groups[3])
+                    s = False
             value = (d, m, y, s)
             if check and not check((d, m, y)):
                 value = Date.EMPTY
@@ -349,8 +353,12 @@ class DateParser:
                 y = None
                 s = False
             else:
-                y = int(groups[3])
-                s = groups[4] != None
+                if groups[4] != None: # slash year digit
+                    y = int(groups[3][:-1] + groups[4])
+                    s = True
+                else:
+                    y = int(groups[3])
+                    s = False
             value = (d, m, y, s)
             if check and not check((d, m, y)):
                 value = Date.EMPTY
@@ -382,8 +390,8 @@ class DateParser:
             d = self._get_int(groups[4])
             if check and not check((d, m, y)):
                 return Date.EMPTY
-            if groups[2]:
-                return (d, m, y, True)
+            if groups[2]: # slash year digit
+                return (d, m, y + 1, True)
             else:
                 return (d, m, y, False)
 
@@ -595,7 +603,7 @@ class DateParser:
 
         if date.get_slash():
             date.set_calendar(Date.CAL_JULIAN)
-            date.set_year(date.get_year() + 1) # year++ and forces recalc
+            date.recalc_sort_value() # needed after the calendar change
 
     def invert_year(self, subdate):
         return (subdate[0], subdate[1], -subdate[2], subdate[3])
diff --git a/src/gen/lib/date.py b/src/gen/lib/date.py
index 0bbf0c902..9502166ef 100644
--- a/src/gen/lib/date.py
+++ b/src/gen/lib/date.py
@@ -578,6 +578,12 @@ class Date:
             
         if self.modifier == Date.MOD_TEXTONLY:
             val = self.text
+        elif self.get_slash():
+            val = "%04d/%d-%02d-%02d" % (
+                self.dateval[Date._POS_YR] - 1, 
+                (self.dateval[Date._POS_YR]) % 10, 
+                self.dateval[Date._POS_MON], 
+                self.dateval[Date._POS_DAY])
         elif self.modifier == Date.MOD_RANGE or self.modifier == Date.MOD_SPAN:
             val = "%04d-%02d-%02d - %04d-%02d-%02d" % (
                 self.dateval[Date._POS_YR], self.dateval[Date._POS_MON], 
@@ -962,6 +968,14 @@ class Date:
         if text:
             self.text = text
 
+    def recalc_sort_value(self):
+        """
+        Recalculates the numerical sort value associated with the date
+        and returns it. Public method.
+        """
+        self._calc_sort_value()
+        return self.sortval
+
     def _calc_sort_value(self):
         """
         Calculate the numerical sort value associated with the date.