diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
index a77b01184..c527cd7bb 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
@@ -83,6 +83,7 @@ import com.watabou.utils.SparseArray;
 
 import java.io.IOException;
 import java.text.DateFormat;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashSet;
@@ -207,7 +208,7 @@ public class Dungeon {
 		if (daily) {
 			//Ensures that daily seeds are not in the range of user-enterable seeds
 			seed = SPDSettings.lastDaily() + DungeonSeed.TOTAL_SEEDS;
-			DateFormat format = DateFormat.getDateInstance(DateFormat.SHORT, Locale.ROOT);
+			DateFormat format = new SimpleDateFormat("yyyy-MM-dd", Locale.ROOT);
 			format.setTimeZone(TimeZone.getTimeZone("UTC"));
 			customSeedText = format.format(new Date(SPDSettings.lastDaily()));
 		} else if (!SPDSettings.customSeed().isEmpty()){
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Rankings.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Rankings.java
index 3486a9edb..09b23deae 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Rankings.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Rankings.java
@@ -45,6 +45,7 @@ import com.watabou.utils.FileUtils;
 
 import java.io.IOException;
 import java.text.DateFormat;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -91,7 +92,7 @@ public enum Rankings {
 			rec.version = "";
 		}
 
-		DateFormat format = DateFormat.getDateInstance(DateFormat.SHORT, Locale.ROOT);
+		DateFormat format = new SimpleDateFormat("yyyy-MM-dd", Locale.ROOT);
 		rec.date = format.format(new Date(Game.realTime));
 
 		rec.cause = cause;
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndDailies.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndDailies.java
index 55c35a24e..e0aa2f3e4 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndDailies.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndDailies.java
@@ -35,6 +35,7 @@ import com.watabou.noosa.ui.Component;
 
 import java.text.DateFormat;
 import java.text.NumberFormat;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
@@ -95,7 +96,7 @@ public class WndDailies extends Window {
 		top = (int) score.bottom() + 6;
 
 		NumberFormat num = NumberFormat.getInstance(Locale.US);
-		DateFormat format = DateFormat.getDateInstance(DateFormat.SHORT, Locale.ROOT);
+		DateFormat format = new SimpleDateFormat("yyyy-MM-dd", Locale.ROOT);
 		format.setTimeZone(TimeZone.getTimeZone("UTC"));
 		Date date = new Date();