diff --git a/L2J_Mobius_01.0_Ertheia/dist/game/data/xsd/instance.xsd b/L2J_Mobius_01.0_Ertheia/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_01.0_Ertheia/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_01.0_Ertheia/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_02.5_Underground/dist/game/data/xsd/instance.xsd b/L2J_Mobius_02.5_Underground/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_02.5_Underground/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_02.5_Underground/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_03.0_Helios/dist/game/data/xsd/instance.xsd b/L2J_Mobius_03.0_Helios/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_03.0_Helios/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_03.0_Helios/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_04.0_GrandCrusade/dist/game/data/xsd/instance.xsd b/L2J_Mobius_04.0_GrandCrusade/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_04.0_GrandCrusade/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_04.0_GrandCrusade/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_05.0_Salvation/dist/game/data/xsd/instance.xsd b/L2J_Mobius_05.0_Salvation/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_05.0_Salvation/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_05.0_Salvation/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_05.5_EtinasFate/dist/game/data/xsd/instance.xsd b/L2J_Mobius_05.5_EtinasFate/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_05.5_EtinasFate/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_05.5_EtinasFate/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_06.0_Fafurion/dist/game/data/xsd/instance.xsd b/L2J_Mobius_06.0_Fafurion/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_06.0_Fafurion/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_06.0_Fafurion/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_07.0_PreludeOfWar/dist/game/data/xsd/instance.xsd b/L2J_Mobius_07.0_PreludeOfWar/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_07.0_PreludeOfWar/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_07.0_PreludeOfWar/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_08.2_Homunculus/dist/game/data/xsd/instance.xsd b/L2J_Mobius_08.2_Homunculus/dist/game/data/xsd/instance.xsd
index 81b705e0ce..f1ce64989b 100644
--- a/L2J_Mobius_08.2_Homunculus/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_08.2_Homunculus/dist/game/data/xsd/instance.xsd
@@ -185,8 +185,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/xsd/instance.xsd b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/xsd/instance.xsd
index 81b705e0ce..f1ce64989b 100644
--- a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/xsd/instance.xsd
@@ -185,8 +185,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_10.1_MasterClass/dist/game/data/xsd/instance.xsd b/L2J_Mobius_10.1_MasterClass/dist/game/data/xsd/instance.xsd
index 81b705e0ce..f1ce64989b 100644
--- a/L2J_Mobius_10.1_MasterClass/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_10.1_MasterClass/dist/game/data/xsd/instance.xsd
@@ -185,8 +185,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_10.2_MasterClass/dist/game/data/xsd/instance.xsd b/L2J_Mobius_10.2_MasterClass/dist/game/data/xsd/instance.xsd
index 81b705e0ce..f1ce64989b 100644
--- a/L2J_Mobius_10.2_MasterClass/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_10.2_MasterClass/dist/game/data/xsd/instance.xsd
@@ -185,8 +185,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_CT_0_Interlude/dist/game/data/xsd/instance.xsd b/L2J_Mobius_CT_0_Interlude/dist/game/data/xsd/instance.xsd
index 64dbeacf81..89f0cd1de6 100644
--- a/L2J_Mobius_CT_0_Interlude/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_CT_0_Interlude/dist/game/data/xsd/instance.xsd
@@ -80,8 +80,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_CT_2.4_Epilogue/dist/game/data/xsd/instance.xsd b/L2J_Mobius_CT_2.4_Epilogue/dist/game/data/xsd/instance.xsd
index 64dbeacf81..89f0cd1de6 100644
--- a/L2J_Mobius_CT_2.4_Epilogue/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_CT_2.4_Epilogue/dist/game/data/xsd/instance.xsd
@@ -80,8 +80,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_CT_2.6_HighFive/dist/game/data/xsd/instance.xsd b/L2J_Mobius_CT_2.6_HighFive/dist/game/data/xsd/instance.xsd
index 64dbeacf81..89f0cd1de6 100644
--- a/L2J_Mobius_CT_2.6_HighFive/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_CT_2.6_HighFive/dist/game/data/xsd/instance.xsd
@@ -80,8 +80,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_1.0/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_1.0/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_1.0/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_1.0/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_1.5_AgeOfSplendor/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_1.5_AgeOfSplendor/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_1.5_AgeOfSplendor/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_1.5_AgeOfSplendor/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_2.5_Zaken/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_2.5_Zaken/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_2.5_Zaken/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_2.5_Zaken/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_2.7_Antharas/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_2.7_Antharas/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_2.7_Antharas/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_2.7_Antharas/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_2.8_SevenSigns/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_2.8_SevenSigns/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_2.8_SevenSigns/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_2.8_SevenSigns/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_2.9_SecretOfEmpire/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_2.9_SecretOfEmpire/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_2.9_SecretOfEmpire/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_2.9_SecretOfEmpire/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Classic_Interlude/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Classic_Interlude/dist/game/data/xsd/instance.xsd
index 8c43060e41..ece2d45d66 100644
--- a/L2J_Mobius_Classic_Interlude/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Classic_Interlude/dist/game/data/xsd/instance.xsd
@@ -183,8 +183,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/xsd/instance.xsd
index e016f29366..3898e89702 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/xsd/instance.xsd
@@ -184,8 +184,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/xsd/instance.xsd
index e016f29366..3898e89702 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/xsd/instance.xsd
@@ -184,8 +184,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Essence_6.1_BattleChronicle/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Essence_6.1_BattleChronicle/dist/game/data/xsd/instance.xsd
index e016f29366..3898e89702 100644
--- a/L2J_Mobius_Essence_6.1_BattleChronicle/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Essence_6.1_BattleChronicle/dist/game/data/xsd/instance.xsd
@@ -184,8 +184,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>
diff --git a/L2J_Mobius_Essence_6.2_Vanguard/dist/game/data/xsd/instance.xsd b/L2J_Mobius_Essence_6.2_Vanguard/dist/game/data/xsd/instance.xsd
index e016f29366..3898e89702 100644
--- a/L2J_Mobius_Essence_6.2_Vanguard/dist/game/data/xsd/instance.xsd
+++ b/L2J_Mobius_Essence_6.2_Vanguard/dist/game/data/xsd/instance.xsd
@@ -184,8 +184,8 @@
 										</xs:simpleType>
 									</xs:attribute>
 									<xs:attribute name="time" type="xs:long" />
-									<xs:attribute name="hour" type="xs:positiveInteger" />
-									<xs:attribute name="minute" type="xs:positiveInteger" />
+									<xs:attribute name="hour" type="xs:nonNegativeInteger" />
+									<xs:attribute name="minute" type="xs:nonNegativeInteger" />
 								</xs:complexType>
 							</xs:element>
 						</xs:sequence>