diff --git a/libreplan-business/src/main/java/org/libreplan/business/reports/dtos/TimeLineRequiredMaterialDTO.java b/libreplan-business/src/main/java/org/libreplan/business/reports/dtos/TimeLineRequiredMaterialDTO.java
index 095899fe5..5d1524fcc 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/reports/dtos/TimeLineRequiredMaterialDTO.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/reports/dtos/TimeLineRequiredMaterialDTO.java
@@ -22,7 +22,6 @@
 package org.libreplan.business.reports.dtos;
 
 import java.math.BigDecimal;
-import java.text.SimpleDateFormat;
 import java.util.Date;
 
 import org.libreplan.business.materials.entities.MaterialAssignment;
@@ -34,7 +33,7 @@ import org.libreplan.business.planner.entities.TaskElement;
  */
 public class TimeLineRequiredMaterialDTO{
 
-    private String date;
+    private Date date;
 
     private Date initDate;
 
@@ -98,22 +97,14 @@ public class TimeLineRequiredMaterialDTO{
         this.initDate = initDate;
     }
 
-    public String getDate() {
+    public Date getDate() {
         return date;
     }
 
-    public void setDate(String date) {
+    public void setDate(Date date) {
         this.date = date;
     }
 
-    private void setDate(Date newDate) {
-        if (newDate != null) {
-            this.date = (new SimpleDateFormat("dd/MM/yyyy")).format(newDate);
-        } else {
-            this.date = null;
-        }
-    }
-
     public String getStatus() {
         return status;
     }
diff --git a/libreplan-webapp/src/main/jasper/completedEstimatedHours.jrxml b/libreplan-webapp/src/main/jasper/completedEstimatedHours.jrxml
index 2d7318795..f684c0066 100644
--- a/libreplan-webapp/src/main/jasper/completedEstimatedHours.jrxml
+++ b/libreplan-webapp/src/main/jasper/completedEstimatedHours.jrxml
@@ -49,12 +49,12 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{reference}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="131a41b5-524b-4e2a-984c-1f6d06d48857" x="142" y="92" width="164" height="20"/>
 				<textElement verticalAlignment="Middle">
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{referenceDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{referenceDate})]]></textFieldExpression>
 			</textField>
 			<rectangle>
 				<reportElement uuid="aba03b38-b33b-4a72-9876-f48129a5a248" mode="Opaque" x="24" y="173" width="473" height="15" forecolor="#000000" backcolor="#E0E4FB"/>
@@ -249,10 +249,10 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="20" splitType="Stretch">
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="518e4f6a-3412-4a30-bb41-d7179b7ce963" x="0" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="8c6518a5-0cc6-461b-9a19-0881c29e5f03" x="431" y="0" width="43" height="20"/>
diff --git a/libreplan-webapp/src/main/jasper/costExpenseSheetLinesReport.jrxml b/libreplan-webapp/src/main/jasper/costExpenseSheetLinesReport.jrxml
index f322fd203..82c92b777 100644
--- a/libreplan-webapp/src/main/jasper/costExpenseSheetLinesReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/costExpenseSheetLinesReport.jrxml
@@ -119,10 +119,10 @@
 	</columnHeader>
 	<detail>
 		<band height="17" splitType="Stretch">
-			<textField pattern="dd-MMM-yy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="64c73662-737e-4ad4-b00b-c8a3e5fbc66f" x="2" y="0" width="91" height="14"/>
 				<textElement textAlignment="Right"/>
-				<textFieldExpression><![CDATA[$F{date}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{date})]]></textFieldExpression>
 			</textField>
 			<textField isBlankWhenNull="true">
 				<reportElement uuid="9b2b887d-8e7c-47b4-8a4f-a0568e550c64" x="93" y="0" width="168" height="14"/>
diff --git a/libreplan-webapp/src/main/jasper/costWorkReportLinesReport.jrxml b/libreplan-webapp/src/main/jasper/costWorkReportLinesReport.jrxml
index 402b77d2f..64b36ab8f 100644
--- a/libreplan-webapp/src/main/jasper/costWorkReportLinesReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/costWorkReportLinesReport.jrxml
@@ -216,10 +216,10 @@
 					<textElement textAlignment="Right"/>
 					<textFieldExpression><![CDATA[$F{hoursType}]]></textFieldExpression>
 				</textField>
-				<textField pattern="dd-MMM-yy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="5d4a5d09-35c7-4edc-86c1-4a070b75d339" x="1" y="0" width="95" height="14"/>
 					<textElement textAlignment="Right"/>
-					<textFieldExpression><![CDATA[$F{date}]]></textFieldExpression>
+				    <textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{date})]]></textFieldExpression>
 				</textField>
 			</band>
 		</groupFooter>
diff --git a/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerInAMonthReport.jrxml b/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerInAMonthReport.jrxml
index 13cb3dcf2..5616b919d 100644
--- a/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerInAMonthReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerInAMonthReport.jrxml
@@ -160,10 +160,10 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="27" splitType="Stretch">
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="df0637bd-63c0-4bc1-9cd9-f5b0b7bf023d" x="0" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="7afb759e-5125-472c-b8cf-9fb93e374bbd" x="435" y="2" width="43" height="20"/>
diff --git a/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerReport.jrxml b/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerReport.jrxml
index 5646cfb34..5f629e634 100644
--- a/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/hoursWorkedPerWorkerReport.jrxml
@@ -74,12 +74,12 @@
 		<groupExpression><![CDATA[$F{date}]]></groupExpression>
 		<groupHeader>
 			<band height="44">
-				<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="0fc3ba78-e171-43b4-85c0-9e7d284cfd3b" x="2" y="4" width="178" height="20"/>
 					<textElement verticalAlignment="Middle">
 						<font size="11" isBold="false"/>
 					</textElement>
-					<textFieldExpression><![CDATA[$F{date}]]></textFieldExpression>
+					<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{date})]]></textFieldExpression>
 				</textField>
 				<textField>
 					<reportElement uuid="ee28ef5b-d1f4-4701-a895-b83997409f77" mode="Opaque" x="186" y="24" width="66" height="20" backcolor="#E0E4FB"/>
@@ -228,19 +228,19 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{date.end}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="e0bb13eb-ad54-4054-b361-d34671a7f5bc" x="114" y="80" width="100" height="15"/>
 				<textElement>
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{startingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{startingDate})]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="8569ba5a-13ba-43e4-b91c-be211c925331" x="308" y="80" width="100" height="15"/>
 				<textElement>
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{endingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{endingDate})]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="8cb9e1bc-1f50-436f-b8c4-fb75be07af9c" x="13" y="144" width="540" height="15">
@@ -387,10 +387,10 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="27" splitType="Stretch">
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="c5a8d393-6082-4342-a162-64466dcb1ce8" x="0" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="fce20fac-b51d-46ab-9cb7-d57cbeafe0f0" x="435" y="2" width="43" height="20"/>
diff --git a/libreplan-webapp/src/main/jasper/orderCostsPerResourceReport.jrxml b/libreplan-webapp/src/main/jasper/orderCostsPerResourceReport.jrxml
index db9e895ef..a149252cc 100644
--- a/libreplan-webapp/src/main/jasper/orderCostsPerResourceReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/orderCostsPerResourceReport.jrxml
@@ -203,12 +203,12 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{date.start}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="2097feeb-2937-4158-98ba-c34ec6170543" x="121" y="75" width="100" height="15"/>
 				<textElement>
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{startingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{startingDate})]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="abd634a8-8e47-4d6d-b538-63ab67dc726e" x="221" y="75" width="95" height="15">
@@ -219,12 +219,12 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{date.end}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="7346cf8f-6c97-433a-a446-0ab5e4ec0fba" x="316" y="75" width="100" height="15"/>
 				<textElement>
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{endingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{endingDate})]]></textFieldExpression>
 			</textField>
 			<textField isBlankWhenNull="false">
 				<reportElement uuid="26a35250-4c3b-4862-b685-b757a28bbb44" x="2" y="92" width="60" height="15">
@@ -281,10 +281,10 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="20" splitType="Stretch">
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="ca4a31d6-e6c9-4faf-9076-d12eaae02d37" x="0" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="abae8193-1bea-4afb-acf8-347902db9233" x="436" y="0" width="43" height="20"/>
diff --git a/libreplan-webapp/src/main/jasper/projectStatusReport.jrxml b/libreplan-webapp/src/main/jasper/projectStatusReport.jrxml
index 9e1e9f536..a0a48bbfe 100644
--- a/libreplan-webapp/src/main/jasper/projectStatusReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/projectStatusReport.jrxml
@@ -196,12 +196,12 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="10" splitType="Stretch">
-			<textField pattern="EEEEE, d MMMMM yyyy">
+			<textField>
 				<reportElement uuid="eb78d7c1-e94d-4306-b1a9-0a36d21891e5" x="0" y="0" width="272" height="10"/>
 				<textElement>
 					<font size="7"/>
 				</textElement>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="bcb2143f-0026-4793-82b1-21fb6a2fa5f3" x="747" y="0" width="25" height="10"/>
diff --git a/libreplan-webapp/src/main/jasper/schedulingProgressPerOrderReport.jrxml b/libreplan-webapp/src/main/jasper/schedulingProgressPerOrderReport.jrxml
index d320826b9..94536b372 100644
--- a/libreplan-webapp/src/main/jasper/schedulingProgressPerOrderReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/schedulingProgressPerOrderReport.jrxml
@@ -72,12 +72,12 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{date.reference}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="7408bc4d-61c3-449b-897c-8da935cc8c85" x="132" y="116" width="100" height="20"/>
 				<textElement verticalAlignment="Middle">
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{referenceDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{referenceDate})]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="d581efb5-ca98-45e7-94ca-a0245e780f5f" x="1" y="136" width="131" height="20">
@@ -88,14 +88,14 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{date.start}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="c01f71e6-3aad-4d86-94d9-21942c4cd1d2" x="132" y="136" width="100" height="20">
 					<printWhenExpression><![CDATA[new java.lang.Boolean($P{startingDate} != null)]]></printWhenExpression>
 				</reportElement>
 				<textElement textAlignment="Left" verticalAlignment="Middle">
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{startingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{startingDate})]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="ff73d3fe-03d6-4897-a34f-25f3477c966c" x="2" y="156" width="130" height="20">
@@ -106,14 +106,14 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{date.end}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="64cbfdb2-1075-4340-aaa4-7a310df33dfa" x="132" y="156" width="100" height="20">
 					<printWhenExpression><![CDATA[new java.lang.Boolean($P{endingDate} != null)]]></printWhenExpression>
 				</reportElement>
 				<textElement verticalAlignment="Middle">
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{endingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{endingDate})]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="44ede877-7515-4869-b341-a52a162d3421" x="1" y="76" width="131" height="20"/>
@@ -570,10 +570,10 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="23" splitType="Stretch">
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="df18e9fc-2afe-48a9-b436-42ae2a38f384" x="2" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="8bf22294-daff-47fe-b7d4-12a53ba0d94d" x="439" y="3" width="43" height="20"/>
diff --git a/libreplan-webapp/src/main/jasper/timeLineRequiredMaterial.jrxml b/libreplan-webapp/src/main/jasper/timeLineRequiredMaterial.jrxml
index 29e166927..91a501cd0 100644
--- a/libreplan-webapp/src/main/jasper/timeLineRequiredMaterial.jrxml
+++ b/libreplan-webapp/src/main/jasper/timeLineRequiredMaterial.jrxml
@@ -19,7 +19,7 @@
 	<field name="estimatedAvailability" class="java.util.Date"/>
 	<field name="order" class="java.lang.String"/>
 	<field name="task" class="java.lang.String"/>
-	<field name="date" class="java.lang.String"/>
+	<field name="date" class="java.util.Date"/>
 	<variable name="sumTotalPricePerDay" class="java.math.BigDecimal" resetType="Group" resetGroup="Date group" calculation="Sum">
 		<variableExpression><![CDATA[$F{totalPrice}]]></variableExpression>
 		<initialValueExpression><![CDATA[new java.math.BigDecimal(0)]]></initialValueExpression>
@@ -123,11 +123,11 @@
 					</textElement>
 					<textFieldExpression><![CDATA[$R{headers.title}]]></textFieldExpression>
 				</textField>
-				<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="f230bda0-19cf-47a2-803e-6248cfb4e08f" x="57" y="0" width="149" height="20"/>
 					<box leftPadding="0" rightPadding="0"/>
 					<textElement verticalAlignment="Middle"/>
-					<textFieldExpression><![CDATA[$F{date}]]></textFieldExpression>
+					<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{date})]]></textFieldExpression>
 				</textField>
 				<textField>
 					<reportElement uuid="b48fdf0a-a61d-4f2d-80cd-361ee5a135e5" key="" mode="Opaque" x="455" y="24" width="65" height="32" forecolor="#666666" backcolor="#E0E4FB"/>
@@ -193,19 +193,19 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{date.end}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="4b84ab4e-ce92-45bb-881a-b7588b1620f1" x="100" y="80" width="134" height="15"/>
 				<textElement>
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{startingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{startingDate})]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="d6be7d53-90b9-4c45-868f-342961e6a93b" x="332" y="80" width="148" height="15"/>
 				<textElement>
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{endingDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{endingDate})]]></textFieldExpression>
 			</textField>
 			<textField isBlankWhenNull="true">
 				<reportElement uuid="bc3d11a6-d7f2-4af7-a8ca-7b904c503fb1" x="100" y="99" width="134" height="15"/>
@@ -324,7 +324,7 @@
 				<textElement textAlignment="Center" verticalAlignment="Middle"/>
 				<textFieldExpression><![CDATA[$F{status}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="7a8c15a8-a27b-4955-8816-2037c846aa72" x="250" y="0" width="90" height="73"/>
 				<box>
 					<pen lineWidth="1.0"/>
@@ -334,7 +334,7 @@
 					<rightPen lineWidth="1.0"/>
 				</box>
 				<textElement textAlignment="Center" verticalAlignment="Middle"/>
-				<textFieldExpression><![CDATA[$F{estimatedAvailability}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{estimatedAvailability})]]></textFieldExpression>
 			</textField>
 			<textField isBlankWhenNull="true">
 				<reportElement uuid="605bfbbe-c420-40f3-bd78-4b985eb1c835" x="119" y="0" width="131" height="40"/>
@@ -375,10 +375,10 @@
 				<textElement/>
 				<textFieldExpression><![CDATA[$V{PAGE_NUMBER}]]></textFieldExpression>
 			</textField>
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="884cb129-cbb3-482e-a653-e10cdd1de3a9" x="0" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="62d229b2-62ce-4335-9e45-df5cbef7f852" x="446" y="0" width="43" height="20"/>
diff --git a/libreplan-webapp/src/main/jasper/workingArrangementsPerOrderReport.jrxml b/libreplan-webapp/src/main/jasper/workingArrangementsPerOrderReport.jrxml
index 220adcbd4..1b89deaba 100644
--- a/libreplan-webapp/src/main/jasper/workingArrangementsPerOrderReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/workingArrangementsPerOrderReport.jrxml
@@ -175,7 +175,7 @@
 					</textElement>
 					<textFieldExpression><![CDATA[$F{orderName}]]></textFieldExpression>
 				</textField>
-				<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="d94ebfa8-2b07-40bb-8c08-c73163247de3" x="1" y="56" width="70" height="15"/>
 					<box>
 						<pen lineWidth="1.0"/>
@@ -187,9 +187,9 @@
 					<textElement textAlignment="Center" verticalAlignment="Middle">
 						<font size="9"/>
 					</textElement>
-					<textFieldExpression><![CDATA[$F{estimatedStartingDate}]]></textFieldExpression>
+					<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{estimatedStartingDate})]]></textFieldExpression>
 				</textField>
-				<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="656b0c4e-4b62-4b04-abfe-f9dbc3b215b1" x="71" y="56" width="80" height="15"/>
 					<box>
 						<pen lineWidth="1.0"/>
@@ -201,9 +201,9 @@
 					<textElement textAlignment="Center" verticalAlignment="Middle">
 						<font size="9"/>
 					</textElement>
-					<textFieldExpression><![CDATA[$F{firstWorkReportDate}]]></textFieldExpression>
+					<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{firstWorkReportDate})]]></textFieldExpression>
 				</textField>
-				<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="dff4b9a4-5050-479e-90bd-1de194a37644" x="151" y="56" width="75" height="15"/>
 					<box>
 						<pen lineWidth="1.0"/>
@@ -215,9 +215,9 @@
 					<textElement textAlignment="Center" verticalAlignment="Middle">
 						<font size="9"/>
 					</textElement>
-					<textFieldExpression><![CDATA[$F{estimatedEndingDate}]]></textFieldExpression>
+					<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{estimatedEndingDate})]]></textFieldExpression>
 				</textField>
-				<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="ab9c951d-2e05-4f1c-8111-aeed45c04c3c" x="226" y="56" width="75" height="15"/>
 					<box>
 						<pen lineWidth="1.0"/>
@@ -229,9 +229,9 @@
 					<textElement textAlignment="Center" verticalAlignment="Middle">
 						<font size="9"/>
 					</textElement>
-					<textFieldExpression><![CDATA[$F{lastWorkReportDate}]]></textFieldExpression>
+					<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{lastWorkReportDate})]]></textFieldExpression>
 				</textField>
-				<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+				<textField isBlankWhenNull="true">
 					<reportElement uuid="346cce6c-34ad-4ff6-8ac2-659ec8a0412f" x="301" y="56" width="74" height="15"/>
 					<box>
 						<pen lineWidth="1.0"/>
@@ -243,7 +243,7 @@
 					<textElement textAlignment="Center" verticalAlignment="Middle">
 						<font size="9"/>
 					</textElement>
-					<textFieldExpression><![CDATA[$F{deadline}]]></textFieldExpression>
+					<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($F{deadline})]]></textFieldExpression>
 				</textField>
 				<textField isBlankWhenNull="true">
 					<reportElement uuid="c33157ba-504b-4400-9f28-6d0c38a86960" x="375" y="56" width="60" height="15"/>
@@ -566,10 +566,10 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="20" splitType="Stretch">
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="e50e451b-3508-4734-ae8f-0be33a7d6708" x="5" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="341621c2-d6ab-490f-8097-13124b60c6ce" x="435" y="0" width="43" height="20"/>
diff --git a/libreplan-webapp/src/main/jasper/workingProgressPerTaskReport.jrxml b/libreplan-webapp/src/main/jasper/workingProgressPerTaskReport.jrxml
index 93931aba4..788b4f225 100644
--- a/libreplan-webapp/src/main/jasper/workingProgressPerTaskReport.jrxml
+++ b/libreplan-webapp/src/main/jasper/workingProgressPerTaskReport.jrxml
@@ -40,12 +40,12 @@
 				</textElement>
 				<textFieldExpression><![CDATA[$R{reference}]]></textFieldExpression>
 			</textField>
-			<textField pattern="dd/MM/yyyy" isBlankWhenNull="true">
+			<textField isBlankWhenNull="true">
 				<reportElement uuid="533d7d79-c7bf-4029-9f34-0a19c001c7d0" x="151" y="96" width="155" height="20"/>
 				<textElement verticalAlignment="Middle">
 					<font size="10"/>
 				</textElement>
-				<textFieldExpression><![CDATA[$P{referenceDate}]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.SHORT, $P{REPORT_LOCALE}).format($P{referenceDate})]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="5b0384ad-a232-4e09-be8c-110ac8cdaa72" mode="Transparent" x="1" y="76" width="150" height="20" backcolor="#FFFFFF"/>
@@ -476,10 +476,10 @@
 	</columnFooter>
 	<pageFooter>
 		<band height="20" splitType="Stretch">
-			<textField pattern="EEEEE, dd MMMMM yyyy">
+			<textField>
 				<reportElement uuid="0d1c8db1-a135-45d0-b495-480fe9b86dbb" x="0" y="0" width="197" height="20"/>
 				<textElement/>
-				<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
+				<textFieldExpression><![CDATA[DateFormat.getDateInstance(DateFormat.LONG, $P{REPORT_LOCALE}).format(new Date())]]></textFieldExpression>
 			</textField>
 			<textField>
 				<reportElement uuid="e38f3c3d-cd65-4fbf-94dd-06a09ba8eb9a" x="477" y="0" width="15" height="20"/>