diff --git a/enabler/src/de/schildbach/pte/AbstractHafasProvider.java b/enabler/src/de/schildbach/pte/AbstractHafasProvider.java
index a10e875a..9ba3de45 100644
--- a/enabler/src/de/schildbach/pte/AbstractHafasProvider.java
+++ b/enabler/src/de/schildbach/pte/AbstractHafasProvider.java
@@ -839,9 +839,11 @@ public abstract class AbstractHafasProvider extends AbstractNetworkProvider
 
 		final Calendar c = new GregorianCalendar(timeZone());
 		c.setTime(date);
-		uri.append("&REQ0JourneyDate=").append(
-				String.format("%02d.%02d.%02d", c.get(Calendar.DAY_OF_MONTH), c.get(Calendar.MONTH) + 1, c.get(Calendar.YEAR) - 2000));
-		uri.append("&REQ0JourneyTime=").append(String.format("%02d:%02d", c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE)));
+		uri.append("&REQ0JourneyDate=");
+		uri.append(String.format(Locale.ENGLISH, "%02d.%02d.%02d", c.get(Calendar.DAY_OF_MONTH), c.get(Calendar.MONTH) + 1,
+				c.get(Calendar.YEAR) - 2000));
+		uri.append("&REQ0JourneyTime=");
+		uri.append(String.format(Locale.ENGLISH, "%02d:%02d", c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE)));
 
 		final StringBuilder productsStr = new StringBuilder(numProductBits);
 		if (products != null)
@@ -937,9 +939,12 @@ public abstract class AbstractHafasProvider extends AbstractNetworkProvider
 			request.append("</Via>");
 		}
 		request.append("<Dest>").append(locationXml(to)).append("</Dest>");
-		request.append("<ReqT a=\"").append(dep ? 0 : 1).append("\" date=\"")
-				.append(String.format("%04d.%02d.%02d", c.get(Calendar.YEAR), c.get(Calendar.MONTH) + 1, c.get(Calendar.DAY_OF_MONTH)))
-				.append("\" time=\"").append(String.format("%02d:%02d", c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE)) + "\"/>");
+		request.append("<ReqT a=\"")
+				.append(dep ? 0 : 1)
+				.append("\" date=\"")
+				.append(String.format(Locale.ENGLISH, "%04d.%02d.%02d", c.get(Calendar.YEAR), c.get(Calendar.MONTH) + 1, c.get(Calendar.DAY_OF_MONTH)))
+				.append("\" time=\"")
+				.append(String.format(Locale.ENGLISH, "%02d:%02d", c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE)) + "\"/>");
 		request.append("<RFlags");
 		// number of connections backwards
 		request.append(" b=\"").append(0).append("\"");
diff --git a/enabler/src/de/schildbach/pte/BahnProvider.java b/enabler/src/de/schildbach/pte/BahnProvider.java
index 261e59b5..38d3d9fd 100644
--- a/enabler/src/de/schildbach/pte/BahnProvider.java
+++ b/enabler/src/de/schildbach/pte/BahnProvider.java
@@ -21,6 +21,7 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -205,7 +206,7 @@ public final class BahnProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/BvgProvider.java b/enabler/src/de/schildbach/pte/BvgProvider.java
index fc525a17..79f4f33d 100644
--- a/enabler/src/de/schildbach/pte/BvgProvider.java
+++ b/enabler/src/de/schildbach/pte/BvgProvider.java
@@ -24,6 +24,7 @@ import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.regex.Matcher;
@@ -505,7 +506,7 @@ public final class BvgProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/DsbProvider.java b/enabler/src/de/schildbach/pte/DsbProvider.java
index a0b0b3fd..95d00823 100644
--- a/enabler/src/de/schildbach/pte/DsbProvider.java
+++ b/enabler/src/de/schildbach/pte/DsbProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 
 import de.schildbach.pte.dto.Location;
 import de.schildbach.pte.dto.LocationType;
@@ -109,7 +110,7 @@ public class DsbProvider extends AbstractHafasProvider
 	{
 		if (location.hasLocation())
 		{
-			final StringBuilder uri = new StringBuilder(String.format(NEARBY_STATIONS_BY_COORDINATE_URI, location.lon, location.lat));
+			final StringBuilder uri = new StringBuilder(String.format(Locale.ENGLISH, NEARBY_STATIONS_BY_COORDINATE_URI, location.lon, location.lat));
 			if (maxStations != 0)
 				uri.append("&maxNumber=").append(maxStations);
 			if (maxDistance != 0)
@@ -157,7 +158,7 @@ public class DsbProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return xmlLocationList(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/EireannProvider.java b/enabler/src/de/schildbach/pte/EireannProvider.java
index cfed35a2..aa6cf710 100644
--- a/enabler/src/de/schildbach/pte/EireannProvider.java
+++ b/enabler/src/de/schildbach/pte/EireannProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -147,7 +148,7 @@ public class EireannProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/NriProvider.java b/enabler/src/de/schildbach/pte/NriProvider.java
index 455ab15c..70b5ac01 100644
--- a/enabler/src/de/schildbach/pte/NriProvider.java
+++ b/enabler/src/de/schildbach/pte/NriProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 
 import de.schildbach.pte.dto.Location;
 import de.schildbach.pte.dto.LocationType;
@@ -181,7 +182,7 @@ public class NriProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/NsProvider.java b/enabler/src/de/schildbach/pte/NsProvider.java
index 65e89163..dc90bf90 100644
--- a/enabler/src/de/schildbach/pte/NsProvider.java
+++ b/enabler/src/de/schildbach/pte/NsProvider.java
@@ -20,6 +20,7 @@ package de.schildbach.pte;
 import java.io.IOException;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 
 import de.schildbach.pte.dto.Location;
@@ -135,7 +136,7 @@ public class NsProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/OebbProvider.java b/enabler/src/de/schildbach/pte/OebbProvider.java
index b57bfbe1..d45be4b0 100644
--- a/enabler/src/de/schildbach/pte/OebbProvider.java
+++ b/enabler/src/de/schildbach/pte/OebbProvider.java
@@ -20,6 +20,7 @@ package de.schildbach.pte;
 import java.io.IOException;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 
 import de.schildbach.pte.dto.Location;
@@ -192,7 +193,7 @@ public class OebbProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/RmvProvider.java b/enabler/src/de/schildbach/pte/RmvProvider.java
index 45d14fe6..c3db824d 100644
--- a/enabler/src/de/schildbach/pte/RmvProvider.java
+++ b/enabler/src/de/schildbach/pte/RmvProvider.java
@@ -20,6 +20,7 @@ package de.schildbach.pte;
 import java.io.IOException;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 
 import de.schildbach.pte.dto.Location;
@@ -200,7 +201,7 @@ public class RmvProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), UTF_8));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), UTF_8));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/RtProvider.java b/enabler/src/de/schildbach/pte/RtProvider.java
index 7e381631..4ecc5cfe 100644
--- a/enabler/src/de/schildbach/pte/RtProvider.java
+++ b/enabler/src/de/schildbach/pte/RtProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 
 import de.schildbach.pte.dto.Location;
 import de.schildbach.pte.dto.LocationType;
@@ -151,7 +152,7 @@ public class RtProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/SbbProvider.java b/enabler/src/de/schildbach/pte/SbbProvider.java
index 8a7de36c..19462cd3 100644
--- a/enabler/src/de/schildbach/pte/SbbProvider.java
+++ b/enabler/src/de/schildbach/pte/SbbProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 
 import de.schildbach.pte.dto.Location;
 import de.schildbach.pte.dto.LocationType;
@@ -146,7 +147,7 @@ public class SbbProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/SeProvider.java b/enabler/src/de/schildbach/pte/SeProvider.java
index c05b6d22..71740cfa 100644
--- a/enabler/src/de/schildbach/pte/SeProvider.java
+++ b/enabler/src/de/schildbach/pte/SeProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -194,7 +195,7 @@ public class SeProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/SeptaProvider.java b/enabler/src/de/schildbach/pte/SeptaProvider.java
index 4608737f..f2524476 100644
--- a/enabler/src/de/schildbach/pte/SeptaProvider.java
+++ b/enabler/src/de/schildbach/pte/SeptaProvider.java
@@ -23,6 +23,7 @@ import java.util.Calendar;
 import java.util.Collections;
 import java.util.GregorianCalendar;
 import java.util.List;
+import java.util.Locale;
 import java.util.TimeZone;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -142,11 +143,11 @@ public class SeptaProvider extends AbstractHafasProvider
 		uri.append(API_BASE).append("stboard.exe/en");
 		uri.append("?input=").append(stationId);
 		uri.append("&boardType=dep");
-		uri.append("&time=").append(
-				ParserUtils.urlEncode(String.format("%02d:%02d %s", now.get(Calendar.HOUR), now.get(Calendar.MINUTE),
-						now.get(Calendar.AM_PM) == Calendar.AM ? "am" : "pm")));
-		uri.append("&date=").append(
-				String.format("%02d%02d%04d", now.get(Calendar.MONTH) + 1, now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.YEAR)));
+		uri.append("&time=");
+		uri.append(ParserUtils.urlEncode(String.format(Locale.ENGLISH, "%02d:%02d %s", now.get(Calendar.HOUR), now.get(Calendar.MINUTE),
+				now.get(Calendar.AM_PM) == Calendar.AM ? "am" : "pm")));
+		uri.append("&date=");
+		uri.append(String.format(Locale.ENGLISH, "%02d%02d%04d", now.get(Calendar.MONTH) + 1, now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.YEAR)));
 		uri.append("&productsFilter=").append(allProductsString());
 		if (maxDepartures != 0)
 			uri.append("&maxJourneys=").append(maxDepartures);
@@ -292,7 +293,7 @@ public class SeptaProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/SncbProvider.java b/enabler/src/de/schildbach/pte/SncbProvider.java
index 355476ce..80d5d609 100644
--- a/enabler/src/de/schildbach/pte/SncbProvider.java
+++ b/enabler/src/de/schildbach/pte/SncbProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 
 import de.schildbach.pte.dto.Location;
 import de.schildbach.pte.dto.LocationType;
@@ -136,7 +137,7 @@ public class SncbProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/StockholmProvider.java b/enabler/src/de/schildbach/pte/StockholmProvider.java
index 50924405..eb5cd2dd 100644
--- a/enabler/src/de/schildbach/pte/StockholmProvider.java
+++ b/enabler/src/de/schildbach/pte/StockholmProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -181,7 +182,7 @@ public class StockholmProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/VbbProvider.java b/enabler/src/de/schildbach/pte/VbbProvider.java
index e3319f64..76afe78f 100644
--- a/enabler/src/de/schildbach/pte/VbbProvider.java
+++ b/enabler/src/de/schildbach/pte/VbbProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -188,7 +189,7 @@ public class VbbProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), UTF_8));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), UTF_8));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/VbnProvider.java b/enabler/src/de/schildbach/pte/VbnProvider.java
index 6ad20b56..5cf9f192 100644
--- a/enabler/src/de/schildbach/pte/VbnProvider.java
+++ b/enabler/src/de/schildbach/pte/VbnProvider.java
@@ -19,6 +19,7 @@ package de.schildbach.pte;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Locale;
 
 import de.schildbach.pte.dto.Location;
 import de.schildbach.pte.dto.LocationType;
@@ -152,7 +153,7 @@ public class VbnProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}
diff --git a/enabler/src/de/schildbach/pte/VgsProvider.java b/enabler/src/de/schildbach/pte/VgsProvider.java
index a96e1ace..bfc3c80f 100644
--- a/enabler/src/de/schildbach/pte/VgsProvider.java
+++ b/enabler/src/de/schildbach/pte/VgsProvider.java
@@ -23,6 +23,7 @@ import java.util.Calendar;
 import java.util.Collections;
 import java.util.GregorianCalendar;
 import java.util.List;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -303,7 +304,7 @@ public class VgsProvider extends AbstractHafasProvider
 
 	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
 	{
-		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
+		final String uri = String.format(Locale.ENGLISH, AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ISO_8859_1));
 
 		return jsonGetStops(uri);
 	}