diff --git a/api/js/etemplate/Et2Date/Et2DateDuration.ts b/api/js/etemplate/Et2Date/Et2DateDuration.ts
new file mode 100644
index 0000000000..0bb1b2dcc6
--- /dev/null
+++ b/api/js/etemplate/Et2Date/Et2DateDuration.ts
@@ -0,0 +1,243 @@
+/**
+ * EGroupware eTemplate2 - Duration date widget (WebComponent)
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package etemplate
+ * @subpackage api
+ * @link https://www.egroupware.org
+ * @author Nathan Gray
+ */
+
+
+import {css, LitElement} from "@lion/core";
+import {Unparseable} from "@lion/form-core";
+import {Et2InputWidget} from "../Et2InputWidget/Et2InputWidget";
+
+export interface formatOptions
+{
+	select_unit : string;
+	display_format : string;
+	data_format : string;
+	hours_per_day : number;
+	empty_not_0 : boolean;
+	number_format? : string;
+};
+
+/**
+ * Format a number as a time duration
+ *
+ * @param {number} value
+ * @param {object} options
+ * 	set 'timeFormat': "12" to specify a particular format
+ * @returns {value: string, unit: string}
+ */
+export function formatDuration(value : number | string, options : formatOptions) : { value : string, unit : string }
+{
+	// Handle empty / 0 / no value
+	if(value === "" || value == "0" || !value)
+	{
+		return {value: options.empty_not_0 ? "0" : "", unit: ""};
+	}
+	// Make sure it's a number now
+	value = typeof value == "string" ? parseInt(value) : value;
+
+	if(!options.select_unit)
+	{
+		let vals = [];
+		for(let i = 0; i < options.display_format.length; ++i)
+		{
+			let unit = options.display_format[i];
+			let val = this._unit_from_value(value, unit, i === 0);
+			if(unit === 's' || unit === 'm' || unit === 'h' && options.display_format[0] === 'd')
+			{
+				vals.push(sprintf('%02d', val));
+			}
+			else
+			{
+				vals.push(val);
+			}
+		}
+		return {value: vals.join(':'), unit: ''};
+	}
+
+	// Put value into minutes for further processing
+	switch(options.data_format)
+	{
+		case 'd':
+			value *= options.hours_per_day;
+		// fall-through
+		case 'h':
+			value *= 60;
+			break;
+		case 's':
+			value /= 60.0;
+			break;
+	}
+
+	// Figure out the best unit for display
+	let _unit = options.display_format == "d" ? "d" : "h";
+	if(options.display_format.indexOf('m') > -1 && value < 60)
+	{
+		_unit = 'm';
+	}
+	else if(options.display_format.indexOf('d') > -1 && value >= (60 * options.hours_per_day))
+	{
+		_unit = 'd';
+	}
+	let out_value = "" + (_unit == 'm' ? value : (Math.round((value / 60.0 / (_unit == 'd' ? options.hours_per_day : 1)) * 100) / 100));
+
+	if(out_value === '')
+	{
+		_unit = '';
+	}
+
+	// use decimal separator from user prefs
+	var format = options.number_format || this.egw().preference('number_format');
+	var sep = format ? format[0] : '.';
+	if(format && sep && sep != '.')
+	{
+		out_value = out_value.replace('.', sep);
+	}
+
+	return {value: out_value, unit: _unit};
+}
+
+/**
+ * Display a time duration (eg: 3 days, 6 hours)
+ *
+ * If not specified, the time is in assumed to be minutes and will be displayed with a calculated unit
+ * but this can be specified with the properties.
+ */
+export class Et2DateDuration extends Et2InputWidget(LitElement)
+{
+	static get styles()
+	{
+		return [
+			...super.styles,
+			css`
+			:host([focused]) ::slotted(button), :host(:hover) ::slotted(button) {
+				display: inline-block;
+			}
+            `,
+		];
+	}
+
+	static get properties()
+	{
+		return {
+			...super.properties,
+
+			/**
+			 * Data format
+			 *
+			 * Units to read/store the data.  'd' = days (float), 'h' = hours (float), 'm' = minutes (int), 's' = seconds (int).
+			 */
+			data_format: {
+				type: String
+			},
+			/**
+			 * Display format
+			 *
+			 * Permitted units for displaying the data.
+			 * 'd' = days, 'h' = hours, 'm' = minutes, 's' = seconds.  Use combinations to give a choice.
+			 * Default is 'dh' = days or hours with selectbox.
+			 */
+			display_format: {
+				type: String
+			},
+
+			/**
+			 * Select unit or input per unit
+			 *
+			 * Display a unit-selection for multiple units, or an input field per unit.
+			 * Default is true
+			 */
+			select_unit: {
+				type: Boolean
+			},
+
+			/**
+			 * Percent allowed
+			 *
+			 * Allows to enter a percentage instead of numbers
+			 */
+			percent_allowed: {
+				type: Boolean
+			},
+
+			/**
+			 * Hours per day
+			 *
+			 * Number of hours in a day, used for converting between hours and (working) days.
+			 * Default 8
+			 */
+			hours_per_day: {type: Number},
+
+			/**
+			 * 0 or empty
+			 *
+			 * Should the widget differ between 0 and empty, which get then returned as NULL
+			 * Default false, empty is considered as 0
+			 */
+			empty_not_0: {type: Boolean},
+
+			/**
+			 * Short labels
+			 *
+			 * use d/h/m instead of day/hour/minute
+			 */
+			short_labels: {
+				type: Boolean
+			},
+
+			/**
+			 * Step limit
+			 *
+			 * Works with the min and max attributes to limit the increments at which a numeric or date-time value can be set.
+			 */
+			step: {
+				type: String
+			}
+		}
+	}
+
+	constructor()
+	{
+		super();
+
+		// Property defaults
+		this.data_format = "m";
+		this.display_format = "dhm";
+		this.select_unit = true;
+		this.percent_allowed = false;
+		this.hours_per_day = 8;
+		this.empty_not_0 = false;
+		this.short_labels = false;
+
+		this.formatter = formatDuration;
+	}
+
+	getValue()
+	{
+		if(this.readOnly)
+		{
+			return null;
+		}
+
+		// The supplied value was not understandable, return null
+		if(this.modelValue instanceof Unparseable || !this.modelValue)
+		{
+			return null;
+		}
+
+		return this.modelValue.toJSON();
+	}
+
+	render()
+	{
+		// TODO
+	}
+}
+
+// @ts-ignore TypeScript is not recognizing that this is a LitElement
+customElements.define("et2-date-duration", Et2DateDuration);
diff --git a/api/js/etemplate/Et2Date/Et2DateDurationReadonly.ts b/api/js/etemplate/Et2Date/Et2DateDurationReadonly.ts
new file mode 100644
index 0000000000..7ef1338b1e
--- /dev/null
+++ b/api/js/etemplate/Et2Date/Et2DateDurationReadonly.ts
@@ -0,0 +1,58 @@
+/**
+ * EGroupware eTemplate2 - Readonly duration WebComponent
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package api
+ * @link https://www.egroupware.org
+ * @author Nathan Gray
+ */
+
+
+import {html} from "@lion/core";
+import {Et2DateDuration, formatOptions} from "./Et2DateDuration";
+
+
+/**
+ * This is a stripped-down read-only widget used in nextmatch
+ */
+export class Et2DateDurationReadonly extends Et2DateDuration
+{
+	render()
+	{
+		let parsed = this.value;
+
+		const format_options = <formatOptions>{
+			select_unit: this.select_unit,
+			display_format: this.display_format,
+			data_format: this.data_format,
+			number_format: this.egw().preference("number_format"),
+			hours_per_day: this.hours_per_day,
+			empty_not_0: this.empty_not_0
+		};
+
+		const display = this.formatter(parsed, format_options);
+		return html`
+            <span ${this.id ? html`id="${this._dom_id}"` : ''}>
+                  ${display.value}${display.unit}
+            </span>
+		`;
+	}
+
+	getDetachedAttributes(attrs)
+	{
+		attrs.push("id", "value", "class");
+	}
+
+	getDetachedNodes() : HTMLElement[]
+	{
+		return [<HTMLElement><unknown>this];
+	}
+
+	setDetachedAttributes(_nodes : HTMLElement[], _values : object, _data? : any) : void
+	{
+		// Do nothing, since we can't actually stop being a DOM node...
+	}
+}
+
+// @ts-ignore TypeScript is not recognizing that this widget is a LitElement
+customElements.define("et2-date-duration_ro", Et2DateDurationReadonly);
\ No newline at end of file
diff --git a/api/js/etemplate/Et2Date/Et2DateSinceReadonly.ts b/api/js/etemplate/Et2Date/Et2DateSinceReadonly.ts
new file mode 100644
index 0000000000..1037f73d60
--- /dev/null
+++ b/api/js/etemplate/Et2Date/Et2DateSinceReadonly.ts
@@ -0,0 +1,133 @@
+/**
+ * EGroupware eTemplate2 - Readonly time since WebComponent
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package api
+ * @link https://www.egroupware.org
+ * @author Nathan Gray
+ */
+
+
+import {html} from "@lion/core";
+import {parseDate, parseDateTime} from "./Et2Date";
+import {Et2DateReadonly} from "./Et2DateReadonly";
+
+/**
+ * Formatter for time since widget.
+ *
+ * @param {Date} date
+ * @returns {string}
+ */
+const formatDate = function(date : Date, options = {units: "YmdHis"})
+{
+	const unit2label = {
+		'Y': 'years',
+		'm': 'month',
+		'd': 'days',
+		'H': 'hours',
+		'i': 'minutes',
+		's': 'seconds'
+	};
+	let unit2s : Object = {
+		'Y': 31536000,
+		'm': 2628000,
+		'd': 86400,
+		'H': 3600,
+		'i': 60,
+		's': 1
+	};
+	var d = new Date();
+	var diff = Math.round(d.valueOf() / 1000) - Math.round(date.valueOf() / 1000);
+	let display = '';
+
+	// limit units used to display
+	let smallest = 's';
+	if(options.units)
+	{
+		const valid = Object.entries(unit2s).filter((e) => (<string>options.units).includes(e[0]));
+		unit2s = Object.fromEntries(valid);
+		smallest = (valid.pop() || [])[0];
+	}
+
+	for(var unit in unit2s)
+	{
+		var unit_s = unit2s[unit];
+		if(diff >= unit_s || unit === smallest)
+		{
+			display = Math.round(diff / unit_s) + ' ' + this.egw().lang(unit2label[unit]);
+			break;
+		}
+	}
+	return display;
+}
+
+/**
+ * Displays the elapsed time since the given date
+ *
+ * The time units (years, months, days, etc) will be calculated automatically to best match the
+ * time scale being dealt with, unless the units property is set.
+ *
+ * This is a stripped-down read-only widget used in nextmatch
+ */
+export class Et2DateSinceReadonly extends Et2DateReadonly
+{
+	static get properties()
+	{
+		return {
+			...super.properties,
+			/**
+			 * Allowed display units, default 'YmdHis', e.g. 'd' to display a value only in days"
+			 */
+			units: {type: String, reflect: true},
+		}
+	}
+
+	constructor()
+	{
+		super();
+
+		this.parser = parseDateTime;
+		this.formatter = formatDate;
+	}
+
+	set_value(value)
+	{
+		this.value = value;
+	}
+
+	render()
+	{
+		let parsed : Date | Boolean = this.value ? this.parser(this.value) : false
+
+		// Be more forgiving if time is missing
+		if(!parsed && this.value)
+		{
+			parsed = parseDate(this.value) || false;
+		}
+
+		return html`
+            <span ${this.id ? html`id="${this._dom_id}"` : ''}
+                  datetime="${parsed ? (<Date>parsed).toJSON() : ""}">
+                ${this.value ? this.formatter(<Date>parsed, {units: this.units}) : ''}
+            </span>
+		`;
+	}
+
+	getDetachedAttributes(attrs)
+	{
+		attrs.push("id", "value", "class");
+	}
+
+	getDetachedNodes() : HTMLElement[]
+	{
+		return [<HTMLElement><unknown>this];
+	}
+
+	setDetachedAttributes(_nodes : HTMLElement[], _values : object, _data? : any) : void
+	{
+		// Do nothing, since we can't actually stop being a DOM node...
+	}
+}
+
+// @ts-ignore TypeScript is not recognizing that this widget is a LitElement
+customElements.define("et2-date-since_ro", Et2DateSinceReadonly);
\ No newline at end of file
diff --git a/api/js/etemplate/etemplate2.ts b/api/js/etemplate/etemplate2.ts
index 96d5c8e5d9..8b157b0654 100644
--- a/api/js/etemplate/etemplate2.ts
+++ b/api/js/etemplate/etemplate2.ts
@@ -26,7 +26,10 @@ import {egwIsMobile} from "../egw_action/egw_action_common.js";
 import './Et2Box/Et2Box';
 import './Et2Button/Et2Button';
 import './Et2Date/Et2Date';
-import './Et2Date/Et2DateReadonly'
+import './Et2Date/Et2DateDuration';
+import './Et2Date/Et2DateDurationReadonly';
+import './Et2Date/Et2DateReadonly';
+import './Et2Date/Et2DateSinceReadonly';
 import './Et2Date/Et2DateTime';
 import './Et2Date/Et2DateTimeReadonly';
 import './Et2Description/Et2Description';