diff --git a/src/components/EventEdit.tsx b/src/components/EventEdit.tsx
index 94cc579..8f55398 100644
--- a/src/components/EventEdit.tsx
+++ b/src/components/EventEdit.tsx
@@ -33,6 +33,8 @@ import * as EteSync from 'etesync';
 import { getCurrentTimezone } from '../helpers';
 
 import { EventType, timezoneLoadFromName } from '../pim-types';
+import RRule, { RRuleOptions } from '../widgets/RRule';
+
 
 interface PropsType {
   collections: EteSync.CollectionInfo[];
@@ -52,6 +54,7 @@ class EventEdit extends React.PureComponent<PropsType> {
     start?: Date;
     end?: Date;
     timezone: string | null;
+    rrule?: RRuleOptions;
     location: string;
     description: string;
     journalUid: string;
@@ -104,6 +107,7 @@ class EventEdit extends React.PureComponent<PropsType> {
       this.state.location = event.location ? event.location : '';
       this.state.description = event.description ? event.description : '';
       this.state.timezone = event.timezone;
+      this.state.rrule = this.props.item?.component.getFirstPropertyValue<ICAL.Recur>('rrule')?.toJSON();
     } else {
       this.state.uid = uuid.v4();
     }
@@ -121,6 +125,8 @@ class EventEdit extends React.PureComponent<PropsType> {
     this.handleInputChange = this.handleInputChange.bind(this);
     this.toggleAllDay = this.toggleAllDay.bind(this);
     this.onDeleteRequest = this.onDeleteRequest.bind(this);
+    this.toggleRecurring = this.toggleRecurring.bind(this);
+    this.handleRRuleChange = this.handleRRuleChange.bind(this);
   }
 
   public UNSAFE_componentWillReceiveProps(nextProps: any) {
@@ -154,7 +160,15 @@ class EventEdit extends React.PureComponent<PropsType> {
   public toggleAllDay() {
     this.setState({ allDay: !this.state.allDay });
   }
+  public toggleRecurring() {
+    const value = this.state.rrule ? undefined : { freq: 'WEEKLY', interval: 1 };
+    this.setState({ rrule: value });
+  }
+
 
+  public handleRRuleChange(rrule: RRuleOptions): void {
+    this.setState({ rrule: rrule });
+  }
   public onSubmit(e: React.FormEvent<any>) {
     e.preventDefault();
 
@@ -191,6 +205,7 @@ class EventEdit extends React.PureComponent<PropsType> {
       :
       new EventType()
     ;
+
     event.uid = this.state.uid;
     event.summary = this.state.title;
     event.startDate = startDate;
@@ -204,6 +219,18 @@ class EventEdit extends React.PureComponent<PropsType> {
         event.endDate = event.endDate?.convertToZone(timezone);
       }
     }
+    if (this.state.rrule) {
+      const rruleData: ICAL.RecurData = {};
+      for (const key of Object.keys(this.state.rrule)) {
+        const value = this.state.rrule[key];
+        if ((value === undefined) || (value?.length === 0)) {
+          continue;
+        }
+
+        rruleData[key] = value;
+      }
+      event.component.updatePropertyWithValue('rrule', new ICAL.Recur(rruleData));
+    }
 
     event.component.updatePropertyWithValue('last-modified', ICAL.Time.now());
 
@@ -236,7 +263,7 @@ class EventEdit extends React.PureComponent<PropsType> {
     const differentTimezone = this.state.timezone && (this.state.timezone !== getCurrentTimezone()) && timezoneLoadFromName(this.state.timezone);
 
     return (
-      <React.Fragment>
+      <>
         <h2>
           {this.props.item ? 'Edit Event' : 'New Event'}
         </h2>
@@ -335,7 +362,25 @@ class EventEdit extends React.PureComponent<PropsType> {
             value={this.state.description}
             onChange={this.handleInputChange}
           />
-
+          <FormGroup>
+            <FormControlLabel
+              control={
+                <Switch
+                  name="recurring"
+                  checked={!!this.state.rrule}
+                  onChange={this.toggleRecurring}
+                  color="primary"
+                />
+              }
+              label="Recurring"
+            />
+          </FormGroup>
+          {this.state.rrule &&
+            <RRule
+              onChange={this.handleRRuleChange}
+              rrule={this.state.rrule ? this.state.rrule : { freq: 'DAILY', interval: 1 }}
+            />
+          }
           <div style={styles.submit}>
             <Button
               variant="contained"
@@ -380,9 +425,9 @@ class EventEdit extends React.PureComponent<PropsType> {
           onOk={() => this.props.onDelete(this.props.item!, this.props.initialCollection!)}
           onCancel={() => this.setState({ showDeleteDialog: false })}
         >
-        Are you sure you would like to delete this event?
+          Are you sure you would like to delete this event?
         </ConfirmationDialog>
-      </React.Fragment>
+      </>
     );
   }
 }
diff --git a/src/types/ical.js.d.ts b/src/types/ical.js.d.ts
index 2af9689..fe42660 100644
--- a/src/types/ical.js.d.ts
+++ b/src/types/ical.js.d.ts
@@ -173,7 +173,8 @@ declare module 'ical.js' {
     public bysetpos?: number[];
   }
 
-  export class Recur extends RecurData {
+  export class Recur {
     constructor(data?: RecurData);
+    public toJSON(): RecurData;
   }
 }
diff --git a/src/widgets/RRule.tsx b/src/widgets/RRule.tsx
index 6c9034e..1f95552 100644
--- a/src/widgets/RRule.tsx
+++ b/src/widgets/RRule.tsx
@@ -1,40 +1,16 @@
 import * as React from 'react';
-import { TextField, Select, MenuItem, FormGroup, FormControlLabel, Checkbox, InputLabel, FormControl } from '@material-ui/core';
+import { TextField, Select, MenuItem, FormControlLabel, InputLabel, FormControl } from '@material-ui/core';
 import DateTimePicker from '../widgets/DateTimePicker';
-import { isNumber } from 'util';
+import * as ICAL from 'ical.js';
 
-interface PropsType {
-  onChange: (rrule: RRuleOptions) => void;
-  rrule: RRuleOptions;
-}
-export interface RRuleOptions {
-  freq: Frequency;
-  interval: number;
-  until?: Date;
-  count?: number;
-  byweekday?: Weekday[];
-  bymonthday?: number;
-  byyearday?: number;
-  byweekno?: number;
-  bymonth?: Months;
-  bysetpos?: number;
-  wkst?: Weekday;
-  bysecond?: number[];
-  byminute?: number[];
-  byday?: number[];
+export type RRuleOptions = ICAL.RecurData;
 
-}
-enum Frequency {
-  YEARLY,
-  MONTHLY,
-  WEEKLY,
-  DAILY,
-}
 enum Ends {
   Never,
   Date,
   After,
 }
+
 enum Months {
   Jan = 1,
   Feb,
@@ -49,45 +25,64 @@ enum Months {
   Nov,
   Dec,
 }
+
 enum MonthRepeat {
   Bysetpos,
   Bymonthday,
 }
-enum Weekday {
+
+enum WeekDay {
+  Su = 1,
   Mo,
   Tu,
   We,
   Th,
   Fr,
   Sa,
-  Su
 }
 
-const menuItemsMonths = Object.keys(Months).filter((key) => Number(key)).map((key) => {
+const disableComplex = true;
+
+const weekdays: WeekDay[] = Array.from(Array(7)).map((_, i) => i + 1);
+const months: Months[] = Array.from(Array(12)).map((_, i) => i + 1);
+
+const menuItemsEnds = [Ends.Never, Ends.Date, Ends.After].map((key) => {
   return (
-    <MenuItem key={key} value={key}>{Months[key]}</MenuItem>
+    <MenuItem key={key} value={key}>{Ends[key]}</MenuItem>
   );
 });
-const menuItemsEnds = [Ends.Never, Ends.Date, Ends.After].map((key) => {
+const menuItemsFrequency = ['YEARLY', 'MONTHLY', 'WEEKLY', 'DAILY'].map((value) => {
   return (
-    <MenuItem key={key} value={key}>{Ends[key]}</MenuItem>
+    <MenuItem key={value} value={value}>{value.toLowerCase()}</MenuItem>
   );
 });
-const weekdays = [Weekday.Mo, Weekday.Tu, Weekday.We, Weekday.Th, Weekday.Fr, Weekday.Sa, Weekday.Su];
-const menuItemsFrequency = [Frequency.YEARLY, Frequency.MONTHLY, Frequency.WEEKLY, Frequency.DAILY].map((value) => {
+const menuItemMonths = months.map((month) => {
   return (
-    <MenuItem key={value} value={value}>{Frequency[value]}</MenuItem>
+    <MenuItem key={month} value={month}>{Months[month]}</MenuItem>
+  );
+});
+const menuItemsWeekDays = weekdays.map((day) => {
+  return (
+    <MenuItem key={day} value={WeekDay[day].toUpperCase()}>{WeekDay[day]}</MenuItem>
   );
 });
 
-export default function RRuleEteSync(props: PropsType) {
-  const options = props.rrule;
+const styles = {
+  multiSelect: { minWidth: 120, maxWidth: '100%' },
+  width: { width: 120 },
+};
 
+interface PropsType {
+  onChange: (rrule: RRuleOptions) => void;
+  rrule: RRuleOptions;
+}
+
+export default function RRule(props: PropsType) {
+  const options = props.rrule;
   function updateRule(newOptions: Partial<RRuleOptions>): void {
     const updatedOptions = { ...options, ...newOptions };
     props.onChange(updatedOptions);
   }
-
   function getEnds(): Ends {
     if (options.until && !options.count) {
       return Ends.Date;
@@ -97,63 +92,24 @@ export default function RRuleEteSync(props: PropsType) {
       return Ends.Never;
     }
   }
-
-  function handleCheckboxWeekday(event: React.FormEvent<{ value: unknown }>): void {
-    const checkbox = event.target as HTMLInputElement;
-    const weekday = Number(checkbox.value);
-    let byweekdayArray = options.byweekday as Weekday[];
-    let byweekday;
-    if (!checkbox.checked && byweekdayArray) {
-      byweekday = byweekdayArray.filter((day) => day !== weekday);
-    } else if (byweekdayArray) {
-      byweekdayArray = byweekdayArray.filter((day) => day !== weekday);
-      byweekday = [...byweekdayArray, weekday];
-    } else {
-      byweekday = [weekday];
-    }
-    updateRule({ byweekday: byweekday });
-  }
-
-  function isWeekdayChecked(day: number): boolean {
-    const weekdayArray = options.byweekday;
-    if (weekdayArray) {
-      return isNumber(weekdayArray.find((value) => Weekday[value] === Weekday[day]));
-    } else {
-      return false;
-    }
-  }
-
-  const checkboxWeekDays = weekdays.map((_, index) => {
-    return (
-      <FormControlLabel
-        control={
-          <Checkbox
-            key={index}
-            value={index}
-            checked={isWeekdayChecked(index)}
-            onChange={handleCheckboxWeekday}
-          />}
-        key={index}
-        label={Weekday[index]} />
-    );
-  });
-
   return (
     <>
       <div style={{ display: 'flex' }}>
         <FormControlLabel
+          style={{ marginRight: 0 }}
           value={options.freq}
-          label="Repeat every :"
+          label="Repeat every"
           labelPlacement="start"
           control={<TextField
+            style={{ marginLeft: '0.5em', width: '4em' }}
             type="number"
             inputProps={{ min: 1, max: 1000 }}
-            value={options.interval}
+            value={options.interval ?? 1}
             onChange={(event: React.FormEvent<{ value: unknown }>) => {
               event.preventDefault();
               const inputNode = event.currentTarget as HTMLInputElement;
               if (inputNode.value === '') {
-                updateRule({ interval: undefined });
+                updateRule({ interval: 1 });
               } else if (inputNode.valueAsNumber) {
                 updateRule({ interval: inputNode.valueAsNumber });
               }
@@ -162,70 +118,118 @@ export default function RRuleEteSync(props: PropsType) {
         />
         <Select
           value={options.freq}
-          style={{ alignSelf: 'flex-end', marginLeft: 20 }}
+          style={{ marginLeft: '0.5em' }}
           onChange={(event: React.FormEvent<{ value: unknown }>) => {
-            const freq = Number((event.target as HTMLSelectElement).value);
-            const updatedOptions = {
-              freq: freq,
-              bysetpos: undefined,
-              bymonthday: freq === Frequency.MONTHLY || Frequency.YEARLY === freq ? 1 : undefined,
-              byweekday: undefined,
-              bymonth: freq === Frequency.YEARLY ? Months.Jan : undefined,
-            };
-            updateRule(updatedOptions);
+            const freq = (event.target as HTMLSelectElement).value as ICAL.FrequencyValues;
+            updateRule({ freq: freq });
           }}
         >
           {menuItemsFrequency}
         </Select>
       </div>
-      <div style={{ display: 'flex' }}>
-
-        {(options.freq === Frequency.MONTHLY) &&
-          <Select
-            value={options.bysetpos ? MonthRepeat.Bysetpos : MonthRepeat.Bymonthday}
-            onChange={(event: React.FormEvent<{ value: unknown }>) => {
-              const value = Number((event.target as HTMLInputElement).value);
-              if (value === MonthRepeat.Bymonthday) {
-                updateRule({ bymonthday: 1, bysetpos: undefined, bymonth: Months.Jan });
-              } else if (value === MonthRepeat.Bysetpos) {
-                updateRule({ bysetpos: 1, bymonthday: undefined, bymonth: undefined });
-              }
-            }}
-          >
-            <MenuItem value={MonthRepeat.Bymonthday}>On</MenuItem>
-            <MenuItem value={MonthRepeat.Bysetpos}>On the</MenuItem>
-          </Select>
-        }
-
-
-        {options.bysetpos &&
-          <Select
-            value={options.bysetpos}
-            onChange={(event: React.FormEvent<{ value: unknown }>) => {
-              updateRule({ bysetpos: Number((event.target as HTMLInputElement).value) });
-            }}>
-            <MenuItem value={1}>First</MenuItem>
-            <MenuItem value={2}>Second</MenuItem>
-            <MenuItem value={3}>Third</MenuItem>
-            <MenuItem value={4}>Fourth</MenuItem>
-            <MenuItem value={-1}>Last</MenuItem>
-          </Select>
-        }
-        {(options.freq === Frequency.YEARLY && options.bymonth) &&
-          <Select
-            value={options.bymonth}
-            onChange={(event: React.FormEvent<{ value: unknown }>) => {
-              updateRule({ bymonth: Number((event.target as HTMLInputElement).value) });
-            }}>
-            {menuItemsMonths}
-          </Select>
+      {!disableComplex && (
+        <div style={{ display: 'flex' }}>
+          {(options.freq === 'MONTHLY') &&
+            <Select value={options.bysetpos ? MonthRepeat.Bysetpos : MonthRepeat.Bymonthday}
+              onChange={(event: React.FormEvent<{ value: unknown }>) => {
+                const value = Number((event.target as HTMLInputElement).value);
+                if (value === MonthRepeat.Bymonthday) {
+                  updateRule({ bymonthday: [1], bysetpos: undefined, bymonth: [Months.Jan] });
+                } else if (value === MonthRepeat.Bysetpos) {
+                  updateRule({ bysetpos: [1], bymonthday: undefined, bymonth: undefined });
+                }
+              }}>
+              <MenuItem value={MonthRepeat.Bymonthday}>On</MenuItem>
+              <MenuItem value={MonthRepeat.Bysetpos}>On the</MenuItem>
+            </Select>
+          }
+          {options.bysetpos &&
+            <Select value={options.bysetpos[0]}
+              onChange={(event: React.FormEvent<{ value: unknown }>) => {
+                updateRule({ bysetpos: [Number((event.target as HTMLInputElement).value)] });
+              }}>
+              <MenuItem value={1}>First</MenuItem>
+              <MenuItem value={2}>Second</MenuItem>
+              <MenuItem value={3}>Third</MenuItem>
+              <MenuItem value={4}>Fourth</MenuItem>
+              <MenuItem value={-1}>Last</MenuItem>
+            </Select>
+          }
+        </div>
+      )}
+      <FormControl>
+        <InputLabel>Ends</InputLabel>
+        <Select
+          value={getEnds()}
+          style={styles.width}
+          onChange={(event: React.FormEvent<{ value: unknown }>) => {
+            const value = Number((event.target as HTMLSelectElement).value);
+            let updateOptions;
+            if (value === Ends.Date) {
+              updateOptions = { count: undefined, until: ICAL.Time.now() };
+            } else if (value === Ends.After) {
+              updateOptions = { until: undefined, count: 1 };
+            } else {
+              updateOptions = { count: undefined, until: undefined };
+            }
+            updateRule(updateOptions);
+          }}>
+          {menuItemsEnds}
+        </Select>
+      </FormControl>
+      {options.until &&
+        <DateTimePicker
+          dateOnly
+          value={options.until?.toJSDate() || undefined}
+          placeholder="Ends"
+          onChange={(date?: Date) => {
+            const value = date ? date : null;
+            updateRule({ until: ICAL.Time.fromJSDate(value, true) });
+          }}
+        />
+      }
+      {options.count &&
+        <TextField
+          type="number"
+          value={options.count}
+          label="Count"
+          style={{ width: 60 }}
+          inputProps={{ min: 1, step: 1 }}
+          onChange={(event: React.FormEvent<{ value: unknown }>) => {
+            event.preventDefault();
+            const inputNode = event.currentTarget as HTMLInputElement;
+            if (inputNode.value === '') {
+              updateRule({ count: 1 });
+            } else if (inputNode.valueAsNumber) {
+              updateRule({ count: inputNode.valueAsNumber });
+            }
+          }}
+        />
+      }
+      <div>
+        {(options.freq && options.freq !== 'DAILY') &&
+          <div>
+            <FormControl>
+              <InputLabel>Weekdays</InputLabel>
+              <Select
+                value={options.byday ? options.byday : []}
+                multiple
+                style={styles.multiSelect}
+                onChange={(event: React.ChangeEvent<{ value: unknown }>) => {
+                  const value = event.target.value as string[];
+                  updateRule({ byday: value });
+                }}>
+                {menuItemsWeekDays}
+              </Select>
+            </FormControl>
+          </div>
         }
-        {options.bymonthday &&
+        {options.freq === 'MONTHLY' &&
           <TextField
             type="number"
-            value={options.bymonthday}
+            value={options.bymonthday ? options.bymonthday[0] : undefined}
             label="Month day"
-            style={{ width: 100 }}
+            style={styles.width}
             inputProps={{ min: 1, step: 1, max: 31 }}
             onChange={(event: React.FormEvent<{ value: unknown }>) => {
               event.preventDefault();
@@ -234,61 +238,27 @@ export default function RRuleEteSync(props: PropsType) {
               if (value === '') {
                 updateRule({ bymonthday: undefined });
               } else if (numberValue < 32 && numberValue > 0) {
-                updateRule({ bymonthday: numberValue });
+                updateRule({ bymonthday: [numberValue] });
               }
             }}
           />
-
         }
-      </div>
-      <div>
-        {options.freq !== Frequency.DAILY &&
-          <FormGroup row>{checkboxWeekDays}</FormGroup>
-        }
-        <FormControl>
-          <InputLabel>Ends</InputLabel>
-          <Select
-            value={getEnds()}
-            onChange={(event: React.FormEvent<{ value: unknown }>) => {
-              const value = Number((event.target as HTMLSelectElement).value);
-              let updateOptions;
-              if (value === Ends.Date) {
-                updateOptions = { count: undefined, until: new Date() };
-              } else if (value === Ends.After) {
-                updateOptions = { until: undefined, count: 1 };
-              } else {
-                updateOptions = { count: undefined, until: undefined };
-              }
-              updateRule(updateOptions);
-            }}>
-            {menuItemsEnds}
-          </Select>
-        </FormControl>
-        {options.until &&
-          <DateTimePicker
-            dateOnly
-            value={options.until || undefined}
-            placeholder="Ends"
-            onChange={(date?: Date) => updateRule({ until: date })}
-          />
-        }
-        {options.count &&
-          <TextField
-            type="number"
-            value={options.count}
-            label="Count"
-            style={{ width: 60 }}
-            inputProps={{ min: 1, step: 1 }}
-            onChange={(event: React.FormEvent<{ value: unknown }>) => {
-              event.preventDefault();
-              const inputNode = event.currentTarget as HTMLInputElement;
-              if (inputNode.value === '') {
-                updateRule({ count: 1 });
-              } else if (inputNode.valueAsNumber) {
-                updateRule({ count: inputNode.valueAsNumber });
-              }
-            }}
-          />
+        {options.freq === 'YEARLY' &&
+          <div>
+            <FormControl>
+              <InputLabel>Months</InputLabel>
+              <Select
+                style={styles.multiSelect}
+                value={options.bymonth ? options.bymonth : []}
+                multiple
+                onChange={(event: React.ChangeEvent<{ value: unknown }>) => {
+                  const value = event.target.value as string[];
+                  updateRule({ bymonth: value.map((month) => Number(month)) });
+                }}>
+                {menuItemMonths}
+              </Select>
+            </FormControl>
+          </div>
         }
       </div>
     </>