diff --git a/components/app-wrapper.js b/components/app-wrapper.js
index 1c3a8d8..fc70bcd 100644
--- a/components/app-wrapper.js
+++ b/components/app-wrapper.js
@@ -9,17 +9,8 @@ import PasswordPrompt from './password-prompt'
 import License from './license'
 import AppLoadingView from './app-loading'
 
-import { combineReducers } from 'redux'
-import { configureStore } from 'redux-starter-kit'
+import store from "../store"
 import { Provider } from 'react-redux'
-import dateReducer from '../slices/date'
-
-const rootReducer = combineReducers({
-  dateReducer,
-})
-
-const store = configureStore({ reducer: rootReducer })
-
 
 export default class AppWrapper extends Component {
   constructor() {
diff --git a/components/app.js b/components/app.js
index 3fd7bf4..b9838de 100644
--- a/components/app.js
+++ b/components/app.js
@@ -1,5 +1,9 @@
 import React, { Component } from 'react'
 import { View, BackHandler } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../slices/date'
+
 import Header from './header'
 import Menu from './menu'
 import Home from './home'
@@ -25,7 +29,7 @@ const HOME_PAGE = 'Home'
 const CYCLE_DAY_PAGE = 'CycleDay'
 const SETTINGS_MENU_PAGE = 'SettingsMenu'
 
-export default class App extends Component {
+class App extends Component {
   constructor(props) {
     super(props)
     this.state = {
@@ -55,14 +59,14 @@ export default class App extends Component {
   }
 
   handleBackButtonPress = () => {
-    const { currentPage, currentProps } = this.state
+    const { currentPage } = this.state
     if (currentPage === HOME_PAGE) {
       closeDb()
       return false
     }
     if (this.isSymptomView()) {
       this.navigate(
-        this.originForSymptomView, { date: currentProps.date }
+        this.originForSymptomView, { date: this.props.date }
       )
     } else if (this.isSettingsView()) {
       this.navigate(SETTINGS_MENU_PAGE)
@@ -92,7 +96,7 @@ export default class App extends Component {
   }
 
   render() {
-    const { currentPage, currentProps } = this.state
+    const { currentPage } = this.state
     const pages = {
       Home,
       Calendar,
@@ -121,7 +125,6 @@ export default class App extends Component {
 
         <Page
           navigate={this.navigate}
-          {...currentProps}
           handleBackButtonPress={this.handleBackButtonPress}
         />
 
@@ -132,3 +135,14 @@ export default class App extends Component {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(App)
\ No newline at end of file
diff --git a/components/calendar.js b/components/calendar.js
index 6c4ec69..faf4bea 100644
--- a/components/calendar.js
+++ b/components/calendar.js
@@ -1,5 +1,9 @@
 import React, { Component } from 'react'
 import { CalendarList } from 'react-native-calendars'
+import { connect } from 'react-redux'
+
+import { setDate } from '../slices/date'
+
 import { LocalDate } from 'js-joda'
 import { getBleedingDaysSortedByDate } from '../db'
 import cycleModule from '../lib/cycle'
@@ -7,7 +11,7 @@ import { shadesOfRed, calendarTheme } from '../styles/index'
 import styles from '../styles/index'
 import nothingChanged from '../db/db-unchanged'
 
-export default class CalendarView extends Component {
+class CalendarView extends Component {
   constructor(props) {
     super(props)
     this.bleedingDays = getBleedingDaysSortedByDate()
@@ -36,9 +40,10 @@ export default class CalendarView extends Component {
   }
 
   passDateToDayView = (result) => {
-    const navigate = this.props.navigate
-    navigate('CycleDay', { date: result.dateString })
+    this.props.setDate(result.dateString)
+    this.props.navigate('CycleDay')
   }
+
   render() {
     return (
       <CalendarList
@@ -60,6 +65,18 @@ export default class CalendarView extends Component {
   }
 }
 
+const mapDispatchToProps = (dispatch) => {
+  return({
+    setDate: (date) => dispatch(setDate(date)),
+  })
+}
+
+export default connect(
+  null,
+  mapDispatchToProps,
+)(CalendarView)
+
+
 function toCalFormat(bleedingDaysSortedByDate) {
   const todayDateString = LocalDate.now().toString()
   return bleedingDaysSortedByDate.reduce((acc, day) => {
diff --git a/components/chart/day-column.js b/components/chart/day-column.js
index 825cb69..834a618 100644
--- a/components/chart/day-column.js
+++ b/components/chart/day-column.js
@@ -2,7 +2,16 @@ import React, { Component } from 'react'
 import {
   Text, View, TouchableOpacity
 } from 'react-native'
-import { Surface, Group as G, Path, Shape } from 'react-native/Libraries/ART/ReactNativeART'
+import {
+  Surface,
+  Group as G,
+  Path,
+  Shape
+} from 'react-native/Libraries/ART/ReactNativeART'
+import { connect } from 'react-redux'
+
+import { setDate } from '../../slices/date'
+
 import { LocalDate } from 'js-joda'
 import moment from 'moment'
 import styles from './styles'
@@ -14,7 +23,7 @@ import { normalizeToScale } from './y-axis'
 
 const label = styles.column.label
 
-export default class DayColumn extends Component {
+class DayColumn extends Component {
   constructor(props) {
     super()
     const dateString = props.dateString
@@ -61,6 +70,11 @@ export default class DayColumn extends Component {
     )
   }
 
+  onDaySelect = (date) => {
+    this.props.setDate(date)
+    this.props.navigate('CycleDay')
+  }
+
   shouldComponentUpdate() {
     return false
   }
@@ -246,7 +260,7 @@ export default class DayColumn extends Component {
 
     return (
       <TouchableOpacity
-        onPress={() => this.props.navigate('CycleDay', { date: dateString })}
+        onPress={() => this.onDaySelect(dateString)}
         activeOpacity={1}
       >
         <View>
@@ -268,6 +282,18 @@ export default class DayColumn extends Component {
   }
 }
 
+const mapDispatchToProps = (dispatch) => {
+  return({
+    setDate: (date) => dispatch(setDate(date)),
+  })
+}
+
+export default connect(
+  null,
+  mapDispatchToProps,
+)(DayColumn)
+
+
 
 function SymptomIconView(props) {
   const style = [styles.symptomRow, {height: props.symptomHeight}]
diff --git a/components/cycle-day/cycle-day-overview.js b/components/cycle-day/cycle-day-overview.js
index 2961f81..24ec3e0 100644
--- a/components/cycle-day/cycle-day-overview.js
+++ b/components/cycle-day/cycle-day-overview.js
@@ -1,5 +1,9 @@
 import React, { Component } from 'react'
 import { ScrollView, View } from 'react-native'
+
+import { connect } from 'react-redux'
+import { getDate } from '../../slices/date'
+
 import { LocalDate } from 'js-joda'
 import Header from '../header'
 import FillerBoxes from './FillerBoxes'
@@ -9,18 +13,16 @@ import { getCycleDay } from '../../db'
 import cycleModule from '../../lib/cycle'
 import styles from '../../styles'
 
-export default class CycleDayOverView extends Component {
+class CycleDayOverView extends Component {
   constructor(props) {
     super(props)
-    const { date } = this.props
     this.state = {
-      date,
-      cycleDay: getCycleDay(date)
+      cycleDay: getCycleDay(props.date)
     }
   }
 
   goToCycleDay = (target) => {
-    const localDate = LocalDate.parse(this.state.date)
+    const localDate = LocalDate.parse(this.props.date)
     const targetDate = target === 'before' ?
       localDate.minusDays(1).toString() :
       localDate.plusDays(1).toString()
@@ -31,12 +33,14 @@ export default class CycleDayOverView extends Component {
   }
 
   navigate(symptom) {
-    this.props.navigate(symptom, this.state)
+    this.props.navigate(symptom)
   }
 
   render() {
-    const { date, cycleDay } = this.state
     const { getCycleDayNumber } = cycleModule()
+    const { cycleDay } = this.state
+    const { date } = this.props
+
     const cycleDayNumber = getCycleDayNumber(date)
     const dateInFuture = LocalDate.now().isBefore(LocalDate.parse(date))
 
@@ -89,3 +93,14 @@ export default class CycleDayOverView extends Component {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state),
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null,
+)(CycleDayOverView)
diff --git a/components/cycle-day/symptoms/bleeding.js b/components/cycle-day/symptoms/bleeding.js
index 6893bfa..1d9cf71 100644
--- a/components/cycle-day/symptoms/bleeding.js
+++ b/components/cycle-day/symptoms/bleeding.js
@@ -1,15 +1,16 @@
 import React from 'react'
-import {
-  Switch,
-  ScrollView
-} from 'react-native'
+import { Switch, ScrollView } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import styles from '../../../styles'
 import { bleeding } from '../../../i18n/en/cycle-day'
 import SelectTabGroup from '../select-tab-group'
 import SymptomSection from './symptom-section'
 import SymptomView from './symptom-view'
 
-export default class Bleeding extends SymptomView {
+class Bleeding extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -67,4 +68,15 @@ export default class Bleeding extends SymptomView {
       </ScrollView>
     )
   }
-}
\ No newline at end of file
+}
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Bleeding)
\ No newline at end of file
diff --git a/components/cycle-day/symptoms/cervix.js b/components/cycle-day/symptoms/cervix.js
index 4515f5d..58fddf6 100644
--- a/components/cycle-day/symptoms/cervix.js
+++ b/components/cycle-day/symptoms/cervix.js
@@ -3,13 +3,17 @@ import {
   Switch,
   ScrollView
 } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import styles from '../../../styles'
 import { cervix as labels } from '../../../i18n/en/cycle-day'
 import SelectTabGroup from '../select-tab-group'
 import SymptomSection from './symptom-section'
 import SymptomView from './symptom-view'
 
-export default class Cervix extends SymptomView {
+class Cervix extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -99,3 +103,14 @@ export default class Cervix extends SymptomView {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Cervix)
diff --git a/components/cycle-day/symptoms/desire.js b/components/cycle-day/symptoms/desire.js
index f28ff85..b395cb2 100644
--- a/components/cycle-day/symptoms/desire.js
+++ b/components/cycle-day/symptoms/desire.js
@@ -2,13 +2,17 @@ import React from 'react'
 import {
   ScrollView
 } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import styles from '../../../styles'
 import { intensity, desire } from '../../../i18n/en/cycle-day'
 import SelectTabGroup from '../select-tab-group'
 import SymptomSection from './symptom-section'
 import SymptomView from './symptom-view'
 
-export default class Desire extends SymptomView {
+class Desire extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -49,3 +53,14 @@ export default class Desire extends SymptomView {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Desire)
diff --git a/components/cycle-day/symptoms/mood.js b/components/cycle-day/symptoms/mood.js
index 6b78891..eef3b18 100644
--- a/components/cycle-day/symptoms/mood.js
+++ b/components/cycle-day/symptoms/mood.js
@@ -2,13 +2,17 @@ import React from 'react'
 import {
   ScrollView,
   TextInput} from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import { mood as labels } from '../../../i18n/en/cycle-day'
 import SelectBoxGroup from '../select-box-group'
 import SymptomSection from './symptom-section'
 import styles from '../../../styles'
 import SymptomView from './symptom-view'
 
-export default class Mood extends SymptomView {
+class Mood extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -72,3 +76,14 @@ export default class Mood extends SymptomView {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Mood)
diff --git a/components/cycle-day/symptoms/mucus.js b/components/cycle-day/symptoms/mucus.js
index cc73591..ea9d5e6 100644
--- a/components/cycle-day/symptoms/mucus.js
+++ b/components/cycle-day/symptoms/mucus.js
@@ -3,6 +3,10 @@ import {
   Switch,
   ScrollView
 } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import styles from '../../../styles'
 import { mucus as labels } from '../../../i18n/en/cycle-day'
 import computeNfpValue from '../../../lib/nfp-mucus'
@@ -10,7 +14,7 @@ import SelectTabGroup from '../select-tab-group'
 import SymptomSection from './symptom-section'
 import SymptomView from './symptom-view'
 
-export default class Mucus extends SymptomView {
+class Mucus extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -89,3 +93,14 @@ export default class Mucus extends SymptomView {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Mucus)
diff --git a/components/cycle-day/symptoms/note.js b/components/cycle-day/symptoms/note.js
index e9a2df6..d7febcb 100644
--- a/components/cycle-day/symptoms/note.js
+++ b/components/cycle-day/symptoms/note.js
@@ -3,6 +3,9 @@ import {
   ScrollView,
   TextInput,
 } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
 
 import styles from '../../../styles'
 import SymptomSection from './symptom-section'
@@ -10,7 +13,7 @@ import { noteExplainer } from '../../../i18n/en/cycle-day'
 import { shared as sharedLabels } from '../../../i18n/en/labels'
 import SymptomView from './symptom-view'
 
-export default class Note extends SymptomView {
+class Note extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -53,3 +56,14 @@ export default class Note extends SymptomView {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Note)
diff --git a/components/cycle-day/symptoms/pain.js b/components/cycle-day/symptoms/pain.js
index fdf3fec..a45a633 100644
--- a/components/cycle-day/symptoms/pain.js
+++ b/components/cycle-day/symptoms/pain.js
@@ -3,6 +3,10 @@ import {
   ScrollView,
   TextInput,
 } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import { pain as labels } from '../../../i18n/en/cycle-day'
 import { shared as sharedLabels } from '../../../i18n/en/labels'
 import SelectBoxGroup from '../select-box-group'
@@ -10,7 +14,7 @@ import SymptomSection from './symptom-section'
 import styles from '../../../styles'
 import SymptomView from './symptom-view'
 
-export default class Pain extends SymptomView {
+class Pain extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -74,3 +78,14 @@ export default class Pain extends SymptomView {
       </ScrollView>)
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Pain)
diff --git a/components/cycle-day/symptoms/sex.js b/components/cycle-day/symptoms/sex.js
index 140afa3..5bdbd05 100644
--- a/components/cycle-day/symptoms/sex.js
+++ b/components/cycle-day/symptoms/sex.js
@@ -3,6 +3,10 @@ import {
   TextInput,
   ScrollView
 } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import styles from '../../../styles'
 import { sex as sexLabels, contraceptives as contraceptivesLabels } from '../../../i18n/en/cycle-day'
 import { shared as sharedLabels } from '../../../i18n/en/labels'
@@ -10,7 +14,7 @@ import SelectBoxGroup from '../select-box-group'
 import SymptomSection from './symptom-section'
 import SymptomView from './symptom-view'
 
-export default class Sex extends SymptomView {
+class Sex extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -87,3 +91,14 @@ export default class Sex extends SymptomView {
     )
   }
 }
+
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Sex)
diff --git a/components/cycle-day/symptoms/symptom-view.js b/components/cycle-day/symptoms/symptom-view.js
index d78b995..d2e9e3f 100644
--- a/components/cycle-day/symptoms/symptom-view.js
+++ b/components/cycle-day/symptoms/symptom-view.js
@@ -2,6 +2,7 @@ import React, { Component } from 'react'
 import {
   View, Alert, TouchableOpacity
 } from 'react-native'
+
 import { saveSymptom } from '../../../db'
 import InfoPopUp from './info-symptom'
 import Header from '../../header/symptom-view'
@@ -10,9 +11,10 @@ import { sharedDialogs } from '../../../i18n/en/cycle-day'
 import Icon from 'react-native-vector-icons/Entypo'
 import styles, { iconStyles } from '../../../styles'
 
-export default class SymptomView extends Component {
-  constructor(props) {
+class SymptomView extends Component {
+  constructor(props, symptomName) {
     super()
+    this.symptomName = symptomName
     this.date = props.date
     this.navigate = props.navigate
     this.state = {
@@ -95,4 +97,6 @@ export default class SymptomView extends Component {
       </View>
     )
   }
-}
\ No newline at end of file
+}
+
+export default SymptomView
diff --git a/components/cycle-day/symptoms/temperature.js b/components/cycle-day/symptoms/temperature.js
index 66715c8..f0db45a 100644
--- a/components/cycle-day/symptoms/temperature.js
+++ b/components/cycle-day/symptoms/temperature.js
@@ -5,6 +5,10 @@ import {
   Keyboard,
   ScrollView
 } from 'react-native'
+import { connect } from 'react-redux'
+
+import { getDate } from '../../../slices/date'
+
 import DateTimePicker from 'react-native-modal-datetime-picker-nevo'
 import padWithZeros from '../../helpers/pad-time-with-zeros'
 
@@ -22,7 +26,7 @@ import SymptomView from './symptom-view'
 
 const minutes = ChronoUnit.MINUTES
 
-export default class Temp extends SymptomView {
+class Temp extends SymptomView {
   constructor(props) {
     super(props)
     const cycleDay = props.cycleDay
@@ -175,6 +179,17 @@ export default class Temp extends SymptomView {
   }
 }
 
+const mapStateToProps = (state) => {
+  return({
+    date: getDate(state)
+  })
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(Temp)
+
 function makeOutOfRangeWarningMessage(temperature) {
   if (temperature === '') return
   const value = Number(temperature)
diff --git a/components/header/cycle-day.js b/components/header/cycle-day.js
index 33abfb1..a4a4c3a 100644
--- a/components/header/cycle-day.js
+++ b/components/header/cycle-day.js
@@ -6,7 +6,7 @@ import styles from '../../styles'
 import NavigationArrow from './navigation-arrow'
 import formatDate from '../helpers/format-date'
 
-export default function CycleDayHeader({ date, ...props }) {
+export default function CycleDayHeader({ date, cycleDayNumber, ...props }) {
   return (<View style={[styles.header, styles.headerCycleDay]}>
     <View
       style={styles.accentCircle}
@@ -17,10 +17,11 @@ export default function CycleDayHeader({ date, ...props }) {
       <Text style={styles.dateHeader} testID='cycleDayTitleDate'>
         {formatDate(date)}
       </Text>
-      {props.cycleDayNumber &&
+      { cycleDayNumber &&
         <Text style={styles.cycleDayNumber}>
-          {`Cycle day ${props.cycleDayNumber}`.toLowerCase()}
-        </Text>}
+          {`Cycle day ${cycleDayNumber}`.toLowerCase()}
+        </Text>
+      }
     </View>
     <NavigationArrow direction='right' {...props}/>
   </View>
diff --git a/components/header/symptom-view.js b/components/header/symptom-view.js
index f2797de..a1d5e10 100644
--- a/components/header/symptom-view.js
+++ b/components/header/symptom-view.js
@@ -26,9 +26,11 @@ export default function SymptomViewHeader(props) {
         <Text style={styles.dateHeader} testID='symptomViewTitleName'>
           {props.title}
         </Text>
-        <Text style={styles.cycleDayNumber} testID='symptomViewTitleDate'>
-          {formatDate(props.date)}
-        </Text>
+        { props.date &&
+          <Text style={styles.cycleDayNumber} testID='symptomViewTitleDate'>
+            {formatDate(props.date)}
+          </Text>
+        }
       </View >
       { props.deleteIconActive &&
         <TouchableOpacity
diff --git a/components/home.js b/components/home.js
index 7950105..351d68e 100644
--- a/components/home.js
+++ b/components/home.js
@@ -1,9 +1,11 @@
 import { ChronoUnit, LocalDate } from 'js-joda'
 import React, { Component } from 'react'
 import { ScrollView, View } from 'react-native'
+import { connect } from 'react-redux'
+
+import { setDate } from '../slices/date'
 
 import DripHomeIcon from '../assets/drip-home-icons'
-import { getCycleDay } from '../db'
 import {
   bleedingPrediction as predictLabels,
   home as labels
@@ -50,7 +52,7 @@ const HomeElement = ({ children, onPress, buttonColor, buttonLabel  }) => {
   )
 }
 
-export default class Home extends Component {
+class Home extends Component {
   constructor(props) {
     super(props)
     const { getCycleDayNumber, getPredictedMenses } = cycleModule()
@@ -68,12 +70,18 @@ export default class Home extends Component {
     }
   }
 
-  passTodayTo(componentName) {
-    const { navigate } = this.props
-    navigate(componentName, {
-      date: this.todayDateString,
-      cycleDay: getCycleDay(this.todayDateString)
-    })
+  setTodayDate = () => {
+    this.props.setDate(this.todayDateString)
+  }
+
+  navigateToCycleDayView = () => {
+    this.setTodayDate()
+    this.props.navigate('CycleDay')
+  }
+
+  navigateToBleedingEditView = () => {
+    this.setTodayDate()
+    this.props.navigate('BleedingEditView')
   }
 
   render() {
@@ -91,7 +99,7 @@ export default class Home extends Component {
           <View style={styles.homeView}>
 
             <HomeElement
-              onPress={ () => this.passTodayTo('CycleDay') }
+              onPress={this.navigateToCycleDayView}
               buttonColor={ cycleDayColor }
               buttonLabel={ labels.editToday }
             >
@@ -102,11 +110,13 @@ export default class Home extends Component {
                 {cycleDayNumber || labels.unknown}
               </IconText>
 
-              <AppText style={styles.homeDescriptionText}>{cycleDayMoreText}</AppText>
+              <AppText style={styles.homeDescriptionText}>
+                {cycleDayMoreText}
+              </AppText>
             </HomeElement>
 
             <HomeElement
-              onPress={ () => this.passTodayTo('BleedingEditView') }
+              onPress={this.navigateToBleedingEditView}
               buttonColor={ periodColor }
               buttonLabel={ labels.trackPeriod }
             >
@@ -148,18 +158,36 @@ export default class Home extends Component {
   }
 }
 
+const mapDispatchToProps = (dispatch) => {
+  return({
+    setDate: (date) => dispatch(setDate(date)),
+  })
+}
+
+export default connect(
+  null,
+  mapDispatchToProps,
+)(Home)
+
+
 function getTimes(prediction) {
   const todayDate = LocalDate.now()
   const predictedBleedingStart = LocalDate.parse(prediction[0][0])
   /* the range of predicted bleeding days can be either 3 or 5 */
-  const predictedBleedingEnd = LocalDate.parse(prediction[0][ prediction[0].length - 1 ])
+  const predictedBleedingEnd =
+    LocalDate.parse(prediction[0][ prediction[0].length - 1 ])
   const daysToEnd = todayDate.until(predictedBleedingEnd, ChronoUnit.DAYS)
   return { todayDate, predictedBleedingStart, predictedBleedingEnd, daysToEnd }
 }
 
 function determinePredictionText(bleedingPrediction) {
   if (!bleedingPrediction.length) return predictLabels.noPrediction
-  const { todayDate, predictedBleedingStart, predictedBleedingEnd, daysToEnd } = getTimes(bleedingPrediction)
+  const {
+    todayDate,
+    predictedBleedingStart,
+    predictedBleedingEnd,
+    daysToEnd
+  } = getTimes(bleedingPrediction)
   if (todayDate.isBefore(predictedBleedingStart)) {
     return predictLabels.predictionInFuture(
       todayDate.until(predictedBleedingStart, ChronoUnit.DAYS),
@@ -183,7 +211,12 @@ function determinePredictionText(bleedingPrediction) {
 
 function getBleedingPredictionRange(prediction) {
   if (!prediction.length) return labels.unknown
-  const { todayDate, predictedBleedingStart, predictedBleedingEnd, daysToEnd } = getTimes(prediction)
+  const {
+    todayDate,
+    predictedBleedingStart,
+    predictedBleedingEnd,
+    daysToEnd
+  } = getTimes(prediction)
   if (todayDate.isBefore(predictedBleedingStart)) {
     return `${todayDate.until(predictedBleedingStart, ChronoUnit.DAYS)}-${todayDate.until(predictedBleedingEnd, ChronoUnit.DAYS)}`
   }
diff --git a/store.js b/store.js
new file mode 100644
index 0000000..7aa713d
--- /dev/null
+++ b/store.js
@@ -0,0 +1,11 @@
+import { combineReducers, createStore } from "redux"
+
+import date from "./slices/date"
+
+const reducer = combineReducers({
+  date
+})
+
+const store = createStore(reducer)
+
+export default store