diff --git a/src/components/tasks/partials/reminder-detail.vue b/src/components/tasks/partials/reminder-detail.vue
new file mode 100644
index 00000000..2554a904
--- /dev/null
+++ b/src/components/tasks/partials/reminder-detail.vue
@@ -0,0 +1,211 @@
+<template>
+	<div class="reminder-detail">
+		<BaseButton class="show" v-if="!!reminder?.relativePeriod" @click.stop="togglePeriodPopup"
+								:disabled="disabled || undefined">
+			{{ formatDuration(reminder.relativePeriod) }} <span v-html="formatBeforeAfter(reminder.relativePeriod)"></span>
+			{{ formatRelativeTo(reminder.relativeTo) }}
+		</BaseButton>
+		<CustomTransition name="fade">
+			<div v-if="show" class="control is-flex is-align-items-center mb-2">
+				<input
+						:disabled="disabled || undefined"
+						class="input"
+						placeholder="d"
+						v-model="periodInput.duration.days"
+						type="number"
+						min="0"
+				/> d
+				<input
+						:disabled="disabled || undefined"
+						class="input"
+						placeholder="HH"
+						v-model="periodInput.duration.hours"
+						type="number"
+						min="0"
+				/>:
+				<input
+						:disabled="disabled || undefined"
+						class="input"
+						placeholder="MM"
+						v-model="periodInput.duration.minutes"
+						type="number"
+						min="0"
+				/>
+				<div class="select">
+					<select v-model="periodInput.sign" id="sign">
+						<option value="-1">&le;</option>
+						<option value="1">&gt;</option>
+					</select>
+				</div>
+				<div class="control">
+					<div class="select">
+						<select v-model="periodInput.relativeTo" id="relativeTo">
+							<option :value="REMINDER_PERIOD_RELATIVE_TO_TYPES.DUEDATE">{{ $t('task.attributes.dueDate') }}</option>
+							<option :value="REMINDER_PERIOD_RELATIVE_TO_TYPES.STARTDATE">{{ $t('task.attributes.startDate') }}</option>
+							<option :value="REMINDER_PERIOD_RELATIVE_TO_TYPES.ENDDATE">{{ $t('task.attributes.endDate') }}</option>
+						</select>
+					</div>
+				</div>
+
+				<x-button
+						class="datepicker__close-button"
+						:shadow="false"
+						@click="close"
+						v-cy="'closeDatepicker'"
+				>
+					{{ $t('misc.confirm') }}
+				</x-button>
+
+			</div>
+		</CustomTransition>
+	</div>
+</template>
+
+<script setup lang="ts">
+import {reactive, ref, watch, type PropType} from 'vue'
+
+import BaseButton from '@/components/base/BaseButton.vue'
+import CustomTransition from '@/components/misc/CustomTransition.vue'
+import {periodToSeconds, secondsToPeriod} from '@/helpers/time/period'
+import type {ITaskReminder} from '@/modelTypes/ITaskReminder'
+import {REMINDER_PERIOD_RELATIVE_TO_TYPES, type IReminderPeriodRelativeTo} from '@/types/IReminderPeriodRelativeTo'
+import {useI18n} from 'vue-i18n'
+
+const {t} = useI18n({useScope: 'global'})
+
+const props = defineProps({
+	modelValue: {
+		type: Object as PropType<ITaskReminder>,
+		required: true,
+	},
+	disabled: {
+		type: Boolean,
+		default: false,
+	},
+})
+
+const emit = defineEmits(['update:modelValue', 'close', 'close-on-change'])
+
+const reminder = ref<ITaskReminder>()
+const show = ref(false)
+
+const periodInput = reactive({
+	duration: {days: 0, hours: 0, minutes: 0, seconds: 0},
+	relativeTo: REMINDER_PERIOD_RELATIVE_TO_TYPES.DUEDATE,
+	sign: -1,
+})
+
+
+watch(
+		() => props.modelValue,
+		(value) => {
+			reminder.value = value
+			if (value.relativePeriod != 0) {
+				Object.assign(periodInput.duration, secondsToPeriod(Math.abs(value.relativePeriod)))
+				periodInput.relativeTo = value.relativeTo
+				periodInput.sign = value.relativePeriod <= 0 ? -1 : 1
+			}
+		},
+		{immediate: true},
+)
+
+
+function updateData() {
+	changed.value = true
+	console.log('updateData', periodInput)
+	reminder.value.relativePeriod = parseInt(periodInput.sign) * periodToSeconds(periodInput.duration.days, periodInput.duration.hours, periodInput.duration.minutes, 0)
+	reminder.value.relativeTo = periodInput.relativeTo
+	reminder.value.reminder = null
+	emit('update:modelValue', reminder.value)
+}
+
+function togglePeriodPopup() {
+	if (props.disabled) {
+		return
+	}
+
+	show.value = !show.value
+}
+
+const changed = ref(false)
+function close() {
+	// Kind of dirty, but the timeout allows us to enter a time and click on "confirm" without
+	// having to click on another input field before it is actually used.
+	updateData()
+	setTimeout(() => {
+		show.value = false
+		emit('close', changed.value)
+		if (changed.value) {
+			changed.value = false
+			emit('close-on-change', changed.value)
+		}
+	}, 200)
+}
+
+
+
+function formatDuration(reminderPeriod: number): string {
+	if (Math.abs(reminderPeriod) < 60) {
+		return '00:00'
+	}
+	const duration = secondsToPeriod(Math.abs(reminderPeriod))
+	console.log('formatDuration', duration, reminderPeriod)
+	return (duration.days > 0 ? duration.days + ' d ' : '') +
+			('' + duration.hours).padStart(2, '0') + ':' +
+			('' + duration.minutes).padStart(2, '0')
+}
+
+function formatBeforeAfter(reminderPeriod: number): string {
+	if (reminderPeriod <= 0) {
+		return '&le;'
+	}
+	return '&gt;'
+}
+
+function formatRelativeTo(relativeTo: IReminderPeriodRelativeTo | null): string | null {
+	switch (relativeTo) {
+		case REMINDER_PERIOD_RELATIVE_TO_TYPES.DUEDATE:
+			return t('task.attributes.dueDate')
+		case REMINDER_PERIOD_RELATIVE_TO_TYPES.STARTDATE:
+			return t('task.attributes.startDate')
+		case REMINDER_PERIOD_RELATIVE_TO_TYPES.ENDDATE:
+			return t('task.attributes.endDate')
+		default:
+			return relativeTo
+	}
+}
+</script>
+
+<style lang="scss" scoped>
+.reminders {
+	.reminder-input {
+		display: flex;
+		align-items: center;
+
+		&.overdue :deep(.datepicker .show) {
+			color: var(--danger);
+		}
+
+		&:last-child {
+			margin-bottom: 0.75rem;
+		}
+
+		.remove {
+			color: var(--danger);
+			padding-left: .5rem;
+		}
+	}
+}
+
+.input {
+	max-width: 70px;
+	width: 70px;
+}
+
+.datepicker__close-button {
+	margin: 1rem;
+	width: calc(100% - 2rem);
+}
+
+
+</style>
\ No newline at end of file
diff --git a/src/components/tasks/partials/reminders.vue b/src/components/tasks/partials/reminders.vue
index a0af652c..a8ff8afb 100644
--- a/src/components/tasks/partials/reminders.vue
+++ b/src/components/tasks/partials/reminders.vue
@@ -6,7 +6,10 @@
 			:class="{ 'overdue': r.reminder < new Date()}"
 			class="reminder-input"
 		>
+			<ReminderDetail v-if="!!r.relativePeriod" v-model="reminders[index]" @close-on-change="() => addReminder(index)"
+				/>
 			<Datepicker
+				v-if="!r.relativePeriod"
 				v-model="reminders[index].reminder"
 				:disabled="disabled"
 				@close-on-change="() => addReminderDate(index)"
@@ -26,10 +29,11 @@
 </template>
 
 <script setup lang="ts">
-import {type PropType, ref, onMounted, watch} from 'vue'
+import { onMounted, ref, watch, type PropType } from 'vue'
 
 import BaseButton from '@/components/base/BaseButton.vue'
 import Datepicker from '@/components/input/datepicker.vue'
+import ReminderDetail from '@/components/tasks/partials/reminder-detail.vue'
 import TaskReminderModel from '@/models/taskReminder'
 import type { ITaskReminder } from '@/modelTypes/ITaskReminder'
 
@@ -39,11 +43,7 @@ const props = defineProps({
 		default: () => [],
 		validator(prop) {
 			// This allows arrays
-			if (!(prop instanceof Array)) {
-				return false
-			}
-
-			return true
+			return prop instanceof Array
 		},
 	},
 	disabled: {
@@ -78,7 +78,11 @@ function updateData() {
 }
 
 const newReminder = ref(null)
-function addReminderDate(index : number | null = null) {
+function addReminder(index: number | null = null) {
+	updateData()
+}
+
+function addReminderDate(index: number | null = null) {
 	// New Date
 	if (index === null) {
 		if (newReminder.value === null) {
diff --git a/src/helpers/time/period.ts b/src/helpers/time/period.ts
new file mode 100644
index 00000000..1ccc2e20
--- /dev/null
+++ b/src/helpers/time/period.ts
@@ -0,0 +1,19 @@
+import {SECONDS_A_DAY, SECONDS_A_HOUR, SECONDS_A_MINUTE} from '@/constants/date'
+
+/**
+ * Convert time period given as seconds to days, hour, minutes, seconds
+ */
+export function secondsToPeriod(seconds: number) {
+	const d = Math.floor(seconds / SECONDS_A_DAY)
+	const h = Math.floor(seconds % SECONDS_A_DAY / 3600)
+	const m = Math.floor(seconds % SECONDS_A_HOUR / 60)
+	const s = Math.floor(seconds % 60)
+	return {days: d, hours: h, minutes: m, seconds: s}
+}
+
+/**
+ * Convert time period of days, hour, minutes, seconds to duration in seconds
+ */
+export function periodToSeconds(days: number, hours: number, minutes: number, seconds: number) : number{
+	return days * SECONDS_A_DAY + hours * SECONDS_A_HOUR + minutes * SECONDS_A_MINUTE + seconds
+}
diff --git a/src/modelTypes/ITaskReminder.ts b/src/modelTypes/ITaskReminder.ts
index 25aa493f..a02e0ffc 100644
--- a/src/modelTypes/ITaskReminder.ts
+++ b/src/modelTypes/ITaskReminder.ts
@@ -2,7 +2,7 @@ import type { IAbstract } from './IAbstract'
 import type { IReminderPeriodRelativeTo } from '@/types/IReminderPeriodRelativeTo'
 
 export interface ITaskReminder extends IAbstract {
-	reminder: Date
+	reminder: Date | null
 	relativePeriod: number
-	relativeTo: IReminderPeriodRelativeTo
+	relativeTo: IReminderPeriodRelativeTo | null
 }
\ No newline at end of file