fix first weekday offset

Author: SevenSwen

Diff for: components/Calendar.js

@@ -178,7 +178,7 @@ export default class Calendar extends Component {
 
     do {
       const
-          dayIndex = renderIndex - offset + 1,
+          dayIndex = renderIndex - offset,
           isoWeekday = (renderIndex + weekStart) % 7;
 
       let

Diff for: components/TopBar.js

@@ -89,7 +89,7 @@ const TopBar = ({
           style={topBarStyles.centredContent}
           onPress={onTitlePress}>
         {customTitleView ||
-        <View>
+        <View style={{flexDirection: "row", alignItems: "center"}}>
           <Text style={[topBarStyles.title, customStyle.title]}>
             {localizedMonth} {year}
           </Text>

Diff for: example/react-native-calendar/components/Calendar.js

@@ -178,7 +178,7 @@ export default class Calendar extends Component {
 
     do {
       const
-          dayIndex = renderIndex - offset + 1,
+          dayIndex = renderIndex - offset,
           isoWeekday = (renderIndex + weekStart) % 7;
 
       let

Diff for: example/react-native-calendar/components/TopBar.js

@@ -89,7 +89,7 @@ const TopBar = ({
           style={topBarStyles.centredContent}
           onPress={onTitlePress}>
         {customTitleView ||
-        <View>
+        <View style={{flexDirection: "row", alignItems: "center"}}>
           <Text style={[topBarStyles.title, customStyle.title]}>
             {localizedMonth} {year}
           </Text>