Run any Skill in Manus with one click

syncfusion-aspnetcore-calendars

Stars0

Forks2

UpdatedJune 9, 2026 at 05:12

Comprehensive guide for implementing Syncfusion ASP.NET Core Calendar components including Calendar, DatePicker, DateRangePicker, DateTimePicker, and TimePicker. Use this skill ALWAYS and immediately when the user asks about any Syncfusion ASP.NET Core calendar, date picker, date range picker, time picker, datetime picker, calendar views, multi-selection, Islamic calendar, date range restriction, week numbers, day cell customization, renderDayCell, date selection, range selection, date formatting, date masking, globalization, localization, strict mode, accessibility, or any related calendar/date/time UI in ASP.NET Core tag helper applications.

Installation

Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.

Run Skill in Manus

Source

syncfusion

syncfusion/aspnetcore-ui-components-skills

View GitHub Repository View Creator Repositories

Download

Run Skill in Manus

Related occupationsSOC

Based on SOC occupation classification

Software DevelopersComputer and Mathematical Occupations·SOC 15-1252

File Explorer

50 files

SKILL.md

readonly

Implementing Syncfusion ASP.NET Core Calendars

TimePicker

The TimePicker is an intuitive input component that allows users to select a time value from a popup list or type it directly. It supports time ranges, strict mode, masking, globalization, RTL, accessibility, and rich customization options.

Navigation Guide

Getting Started

📄 Read: references/getting-started.md

NuGet package installation and setup
Tag helper registration and script/style references
Basic TimePicker rendering with <ejs-timepicker>
Setting value, min, and max time
Configuring time format and step interval
TimePickerFor model binding

Time Range

📄 Read: references/time-range.md

Setting min and max time boundaries with Min and Max
Behavior when value is out-of-range
Two-TimePicker range selection (start/end time)
Enabling/disabling end time based on start time selection
Business hours selection pattern

Strict Mode

📄 Read: references/strict-mode.md

Enabling StrictMode to enforce valid time entry
Clamping out-of-range values to min/max
Default (non-strict) mode with error class indication
Null behavior for invalid values in non-strict mode

Globalization

📄 Read: references/globalization.md

Setting culture with Locale property
Loading CLDR data for non-English cultures
L10n placeholder localization
RTL support with EnableRtl for Arabic, Hebrew
German and Arabic culture examples

Time Masking

📄 Read: references/time-masking.md

Enabling masked input with EnableMask
Mask pattern based on format string
Custom mask placeholder with MaskPlaceholder (hour, minute, second)
Keyboard navigation within masked segments

Style and Appearance

📄 Read: references/style-appearance.md

CSS customization using CssClass property
Available CSS class targets (wrapper, icon, popup, list items)
Customizing input, popup button, popup list, hover/active states
Full-screen popup mode on mobile with FullScreenMode
Wrapper height, font-size, background-color overrides

Accessibility

📄 Read: references/accessibility.md

WCAG 2.2 AA compliance details
WAI-ARIA attributes: aria-haspopup, aria-selected, aria-disabled, etc.
Full keyboard interaction table
Screen reader support
RTL, color contrast, mobile device support

How-To Guides

📄 Read: references/how-to.md

Client-side form validation using FormValidator
CSS customization with custom class names
TimePickerFor rendering with model binding and form POST

API Reference

📄 Read: references/api.md

All properties with types, defaults, and descriptions
All events (Change, Open, Close, Focus, Blur, Cleared, ItemRender, Created, Destroyed)
CSS class reference table
MaskPlaceholder sub-properties
Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the TimePicker:

<ejs-timepicker id="timepicker"></ejs-timepicker>

Common Patterns

TimePicker with Value, Min, and Max

@{
    var minVal = new DateTime(2022, 05, 07, 1, 00, 00);
    var maxVal = new DateTime(2022, 05, 07, 11, 00, 00);
    var value  = new DateTime(2022, 05, 07, 4, 00, 00);
}
<ejs-timepicker id="timepicker" value="value" min="minVal" max="maxVal"></ejs-timepicker>

Custom Format and Step

@{
    var value = new DateTime(2022, 05, 07, 4, 00, 00);
}
<ejs-timepicker id="timepicker" format="HH:mm" step="60" value="value"></ejs-timepicker>

Strict Mode

<ejs-timepicker id="timepicker"
    value="@ViewBag.value"
    min="@ViewBag.minVal"
    max="@ViewBag.maxVal"
    strictMode="true">
</ejs-timepicker>

Masked Input

<ejs-timepicker id="timepicker" enableMask="true"></ejs-timepicker>

RTL (Right-to-Left)

<ejs-timepicker id="timepicker" placeholder="Select a time" enableRtl="true"></ejs-timepicker>

DatePicker

The DatePicker is a graphical user interface control that allows users to select or enter a date value from a calendar popup or by typing directly into the input field. It supports date range restriction, custom formats, masked input, globalization, strict mode, calendar view configuration, RTL, and accessibility.

Navigation Guide

Getting Started

📄 Read: references/datepicker-getting-started.md

NuGet package installation and setup
Tag helper registration and script/style references
Basic <ejs-datepicker> rendering
Setting value, min, and max dates
DatePickerFor model binding and form POST

Date Range

📄 Read: references/datepicker-date-range.md

Setting min and max to restrict the selectable date range
Out-of-range behavior in default vs. strict mode
Error class indication for invalid/out-of-range dates
Updating min/max from code-behind

Strict Mode

📄 Read: references/datepicker-strict-mode.md

strictMode="true": clamps out-of-range input to min/max
strictMode="false" (default): accepts input, applies error class
Choosing the right mode for validation vs. display scenarios

Date Format

📄 Read: references/datepicker-date-format.md

format property for custom display format (e.g., yyyy-MM-dd)
inputFormats for accepting multiple user-entry formats
Common format token reference

Date Masking

📄 Read: references/datepicker-date-masking.md

Enabling masked input with enableMask
Mask pattern derived from format
maskPlaceholder sub-property customization (day, month, year)
Keyboard navigation within masked segments
Localized mask placeholder for non-English cultures

Views and Calendar Configuration

📄 Read: references/datepicker-view.md

start property for initial calendar view (Month/Year/Decade)
depth property to restrict navigation depth
dayHeaderFormat for day header display (Short/Narrow/Abbreviated/Wide)
weekNumber and firstDayOfWeek configuration

Globalization

📄 Read: references/datepicker-globalization.md

Setting culture with locale property
Loading CLDR data for non-English cultures
L10n localization for today button and placeholder text
RTL support with enableRtl for Arabic, Hebrew
German and Arabic culture examples

Style and Appearance

📄 Read: references/datepicker-style-appearance.md

cssClass for scoped style overrides
CSS class reference table (wrapper, icon, popup, day cells)
Customizing input wrapper, icon, and calendar popup
renderDayCell event for per-cell customization
fullScreenMode for mobile devices
floatLabelType for floating label behavior

Accessibility

📄 Read: references/datepicker-accessibility.md

WCAG 2.2 AA compliance
WAI-ARIA attributes (aria-expanded, aria-disabled, aria-activedescendant)
Full keyboard interaction tables (input and calendar popup)
Screen reader support and RTL

How-To Guides

📄 Read: references/datepicker-how-to.md

Client-side validation with FormValidator
DatePickerFor model binding and server-side form POST
Set placeholder and readonly state
Disable the DatePicker (enabled="false")
Open popup on input focus (openOnFocus or show() method)
Prevent popup from closing (preventDefault)
Customize day header format

API Reference

📄 Read: references/datepicker-api.md

All properties with types, defaults, and descriptions
All events with descriptions and args
MaskPlaceholder sub-properties
CSS class reference table
Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the DatePicker:

<ejs-datepicker id="datepicker" placeholder="Select a date"></ejs-datepicker>

Common Patterns

DatePicker with Value, Min, and Max

@{
    var minDate = new DateTime(2025, 5, 5);
    var maxDate = new DateTime(2025, 5, 27);
    var value   = new DateTime(2025, 5, 15);
}
<ejs-datepicker id="datepicker"
    value="@value"
    min="@minDate"
    max="@maxDate"
    placeholder="Select a date">
</ejs-datepicker>

Custom Format

<ejs-datepicker id="datepicker"
    format="yyyy-MM-dd"
    placeholder="YYYY-MM-DD">
</ejs-datepicker>

Strict Mode

<ejs-datepicker id="datepicker"
    min="@ViewBag.MinDate"
    max="@ViewBag.MaxDate"
    strictMode="true">
</ejs-datepicker>

Masked Input

<ejs-datepicker id="datepicker" enableMask="true"></ejs-datepicker>

DatePickerFor (Model Binding)

@model AppModel
<ejs-datepickerfor id="date" for="@Model.Date" placeholder="Select a date">
</ejs-datepickerfor>

RTL (Right-to-Left)

<ejs-datepicker id="datepicker" locale="ar" enableRtl="true"></ejs-datepicker>

DateTimePicker

The DateTimePicker is a graphical user interface control that allows users to select both a date and a time value from a combined popup (calendar + time list), or type directly into the input field. It supports date-time range restriction, custom formats, input format flexibility, masked input, globalization, strict mode, calendar view configuration, RTL, and accessibility.

Navigation Guide

Getting Started

📄 Read: references/datetimepicker-getting-started.md

NuGet package installation and setup
Tag helper registration and script/style references
Basic <ejs-datetimepicker> rendering
Setting value, min, and max date-time
DateTimePickerFor model binding and form POST
openOnFocus, readonly, and showClearButton options

Date and Time Range

📄 Read: references/datetimepicker-date-time-range.md

Setting min and max to restrict full date-time range
Setting minTime and maxTime for per-day time restriction
Out-of-range behavior in default vs. strict mode
Priority rules when both min/max and minTime/maxTime are set
Updating range values from code-behind

Strict Mode

📄 Read: references/datetimepicker-strict-mode.md

strictMode="true": clamps out-of-range input to min/max
strictMode="false" (default): accepts input, applies error class
Choosing the right mode for validation vs. display scenarios

Date Time Format

📄 Read: references/datetimepicker-date-time-format.md

format property for custom display format (e.g., yyyy-MM-dd hh:mm)
timeFormat for time popup list display
inputFormats for accepting multiple user-entry formats
Common format token reference

Date Time Masking

📄 Read: references/datetimepicker-masking.md

Enabling masked input with enableMask
Mask pattern derived from format
maskPlaceholder sub-property customization (day, month, year, hour, minute, second)
Keyboard navigation within masked segments
Localized mask placeholder for non-English cultures

Globalization

📄 Read: references/datetimepicker-globalization.md

Setting culture with locale property
Loading CLDR data for non-English cultures
L10n localization for today button and placeholder text
RTL support with enableRtl for Arabic, Hebrew
German and Arabic culture examples

Style and Appearance

📄 Read: references/datetimepicker-style-appearance.md

cssClass for scoped style overrides
CSS class reference table (wrapper, icons, time popup, calendar popup)
Customizing input wrapper, date/time icons, and popups
renderDayCell event for per-cell customization
fullScreenMode for mobile devices
floatLabelType for floating label behavior

Accessibility

📄 Read: references/datetimepicker-accessibility.md

WCAG 2.2 AA compliance
WAI-ARIA attributes (aria-expanded, aria-disabled, aria-activedescendant)
Full keyboard interaction tables (input, calendar popup, and time popup)
Screen reader support and RTL

How-To Guides

📄 Read: references/datetimepicker-how-to.md

DateTimePickerFor model binding and server-side form POST
Disable the DateTimePicker (enabled="false")
Set placeholder and readonly state
Customize day header format (dayHeaderFormat)
Disable specific dates via renderDayCell
Calendar view configuration (start / depth)
Week number display and state persistence

API Reference

📄 Read: references/datetimepicker-api.md

All properties with types, defaults, and descriptions
All events with descriptions
MaskPlaceholder sub-properties
CSS class reference table
Enum values (CalendarView, DayHeaderFormats, CalendarType, FloatLabelType, WeekRule)
Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the DateTimePicker:

<ejs-datetimepicker id="datetimepicker" placeholder="Select a date and time"></ejs-datetimepicker>

Common Patterns

DateTimePicker with Value, Min, and Max

@{
    var minVal = new DateTime(2019, 5, 5, 2, 0, 0);
    var maxVal = new DateTime(2019, 5, 25, 2, 0, 0);
    var value  = new DateTime(2019, 5, 10, 10, 0, 0);
}
<ejs-datetimepicker id="datetimepicker"
    value="value"
    min="minVal"
    max="maxVal">
</ejs-datetimepicker>

Custom Format

<ejs-datetimepicker id="datetimepicker"
    format="yyyy-MM-dd HH:mm"
    placeholder="YYYY-MM-DD HH:mm">
</ejs-datetimepicker>

Strict Mode

<ejs-datetimepicker id="datetimepicker"
    min="@ViewBag.minVal"
    max="@ViewBag.maxVal"
    strictMode="true">
</ejs-datetimepicker>

Masked Input

<ejs-datetimepicker id="datetimepicker" enableMask="true"></ejs-datetimepicker>

DateTimePickerFor (Model Binding)

@model BookingModel
<ejs-datetimepicker id="datetimepicker" for="BookingDateTime"></ejs-datetimepicker>

RTL (Right-to-Left)

<ejs-datetimepicker id="datetimepicker" locale="ar" enableRtl="true"></ejs-datetimepicker>

DateRangePicker

The DateRangePicker is a graphical user interface control that allows users to select a start and end date from a dual-calendar popup or by typing directly into the input field. It supports date range restriction, range span limits, custom formats, input format flexibility, presets, globalization, strict mode, day cell customization, RTL, and accessibility.

Navigation Guide

Getting Started

📄 Read: references/daterangepicker-getting-started.md

NuGet package installation and setup
Tag helper registration and script/style references
Basic <ejs-daterangepicker> rendering
Setting startDate and endDate
DateRangePickerFor model binding and form POST

Range Restriction

📄 Read: references/daterangepicker-range-restriction.md

Setting min and max to restrict selectable dates
Range span with minDays and maxDays
strictMode behavior: clamping vs. error class
Out-of-range behavior summary table

Date Format

📄 Read: references/daterangepicker-date-format.md

format property for custom display format
inputFormats array for flexible user entry
separator for custom delimiter between dates
Common format token reference

Customization

📄 Read: references/daterangepicker-customization.md

renderDayCell event for disabling/styling individual cells
firstDayOfWeek configuration
dayHeaderFormat (Short/Narrow/Abbreviated/Wide)
Calendar view start and depth
weekNumber and weekRule configuration
Presets for quick range selection
openOnFocus, readonly, allowEdit, showClearButton
enablePersistence for state retention across reloads

Globalization

📄 Read: references/daterangepicker-globalization.md

locale property for culture setting
Loading CLDR data for non-English cultures
L10n localization (placeholder, startLabel, endLabel, applyText, cancelText, selectedDays, days, customRange)
enableRtl for Arabic, Hebrew
German and Arabic culture examples

Style and Appearance

📄 Read: references/daterangepicker-style-appearance.md

cssClass for scoped style overrides
CSS customization for wrapper, icon, range header, calendar content
Footer Apply/Cancel button customization
floatLabelType for floating label behavior
fullScreenMode for mobile devices
Complete CSS class reference table

Accessibility

📄 Read: references/daterangepicker-accessibility.md

WCAG 2.2 AA compliance
WAI-ARIA attributes (aria-expanded, aria-disabled, aria-activedescendant)
Input and calendar keyboard interaction tables
Screen reader support and RTL

How-To Guides

📄 Read: references/daterangepicker-how-to.md

DateRangePickerFor model binding and server-side form POST
Set placeholder text
Disable the DateRangePicker (enabled="false")
Customize day header format
CSS customization with cssClass and CSS class reference

API Reference

📄 Read: references/daterangepicker-api.md

All properties with types, defaults, and descriptions
All events with descriptions
Presets sub-properties (label, start, end)
Enum values (CalendarView, DayHeaderFormats, FloatLabelType, WeekRule)
CSS class reference table
Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the DateRangePicker:

<ejs-daterangepicker id="daterangepicker" placeholder="Select a Range"></ejs-daterangepicker>

Common Patterns

DateRangePicker with Start and End Date

@{
    var startDate = new DateTime(2022, 11, 09);
    var endDate   = new DateTime(2022, 11, 21);
}
<ejs-daterangepicker id="daterangepicker"
    startDate="startDate"
    endDate="endDate"
    placeholder="Select a Range">
</ejs-daterangepicker>

Min/Max Date Restriction

<ejs-daterangepicker id="daterangepicker"
    min="@ViewBag.minDate"
    max="@ViewBag.maxDate"
    placeholder="Enter a Range">
</ejs-daterangepicker>

Range Span Limits

<ejs-daterangepicker id="daterangepicker"
    minDays="5"
    maxDays="10"
    placeholder="Select 5–10 days">
</ejs-daterangepicker>

Strict Mode

<ejs-daterangepicker id="daterangepicker"
    strictMode="true"
    min="@ViewBag.minDate"
    max="@ViewBag.maxDate"
    startDate="@ViewBag.startDate"
    endDate="@ViewBag.endDate">
</ejs-daterangepicker>

Custom Format with Input Formats

<ejs-daterangepicker id="daterangepicker"
    format="dd/MMM/yy"
    inputFormats="@(new string[] { "dd/MM/yyyy", "yyyyMMdd" })"
    placeholder="DD/MMM/YY">
</ejs-daterangepicker>

DateRangePickerFor (Model Binding)

@model DateRangeModel
<form method="post">
    <ejs-daterangepicker id="daterangepickerFor" ejs-for="@Model.value">
    </ejs-daterangepicker>
    <ejs-button id="submitButton" content="Submit"></ejs-button>
</form>

RTL (Right-to-Left)

<ejs-daterangepicker id="daterangepicker" locale="ar" enableRtl="true"></ejs-daterangepicker>

Calendar

The Calendar is a graphical user interface control that displays a Gregorian (or Islamic) calendar, allowing users to select a date by navigating month, year, and decade views. It supports date range restriction, multi-selection, view configuration, day cell customization, globalization, RTL, accessibility, and rich styling.

Navigation Guide

Getting Started

📄 Read: references/calendar-getting-started.md

NuGet package installation and setup
Tag helper registration and script/style references
Basic Calendar rendering with <ejs-calendar>
Setting value, min, and max dates
Common initialization patterns (disabled, persistence, cssClass)

Calendar Views

📄 Read: references/calendar-views.md

Available views: Month, Year, Decade
start property for initial view on render
depth property to restrict navigation depth
Year picker and decade picker patterns
View navigation rules and constraints

Date Range

📄 Read: references/calendar-date-range.md

Setting min and max to restrict selectable dates
Out-of-range behavior and value clamping
Dynamic min/max updates via JavaScript
Future-only, past-only, and fixed range examples

Multi Selection

📄 Read: references/calendar-multi-select.md

Enabling multi-date selection with isMultiSelection
Setting pre-selected dates with values array
Selecting a full week using the change event
Handling args.values in event handlers

Customization

📄 Read: references/calendar-customization.md

renderDayCell event to disable or style individual cells
Disabling weekends
Highlighting specific dates with custom CSS or tooltips
Highlighting weekends
dayHeaderFormat: Short, Narrow, Abbreviated, Wide
firstDayOfWeek configuration
weekNumber and weekRule properties
CSS class reference table

Globalization

📄 Read: references/calendar-globalization.md

Setting culture with locale property
Loading CLDR data for non-English cultures
L10n localization for Today button text
RTL support with enableRtl (Arabic, Hebrew)
Islamic Calendar mode with calendarMode

Style and Appearance

📄 Read: references/calendar-style-appearance.md

cssClass for scoped appearance overrides
Background, border, hover, title, and nav icon customization
Today button and selected cell CSS
Show dates of other months with CSS
Complete CSS class reference

Accessibility

📄 Read: references/calendar-accessibility.md

WCAG 2.2 AA compliance details
WAI-ARIA attributes: aria-label, aria-selected, aria-disabled, aria-activedescendant
Full keyboard interaction table (all navigation keys)
Screen reader support
RTL and mobile device accessibility

How-To Guides

📄 Read: references/calendar-how-to.md

Change the first day of the week (firstDayOfWeek)
Customize day header format (dayHeaderFormat)
Render week numbers (weekNumber)
Select a sequence of dates (full week selection)
Add a clear button to the Calendar footer (created event)
Show dates of other months (CSS approach)
Skip a month on navigation (navigated event + navigateTo)

API Reference

📄 Read: references/calendar-api.md

All properties with types, defaults, and descriptions
All events (Change, Created, Destroyed, Navigated, RenderDayCell)
Enum reference (CalendarType, CalendarView, DayHeaderFormats, WeekRule)
CSS class reference table
Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the Calendar:

<ejs-calendar id="calendar"></ejs-calendar>

Common Patterns

Calendar with Value, Min, and Max

@{
    var minDate   = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 5);
    var maxDate   = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 27);
    var todayDate = DateTime.Now;
}
<ejs-calendar id="calendar"
    value="todayDate"
    min="minDate"
    max="maxDate">
</ejs-calendar>

Year View (start in Year, drill down to Month)

<ejs-calendar id="calendar"
    start="Syncfusion.EJ2.Calendars.CalendarView.Year"
    depth="Syncfusion.EJ2.Calendars.CalendarView.Month">
</ejs-calendar>

Multi-Selection

<ejs-calendar id="calendar"
    isMultiSelection="true"
    values="@ViewBag.multiValues">
</ejs-calendar>

Disable Weekends

<ejs-calendar id="calendar" renderDayCell="disableWeekends"></ejs-calendar>
<script>
    function disableWeekends(args) {
        if (args.date.getDay() === 0 || args.date.getDay() === 6) {
            args.isDisabled = true;
        }
    }
</script>

Week Numbers with RTL

<ejs-calendar id="calendar"
    weekNumber="true"
    locale="ar"
    enableRtl="true">
</ejs-calendar>

Islamic Calendar

<ejs-calendar id="calendar"
    calendarMode="Syncfusion.EJ2.Calendars.CalendarType.Islamic">
</ejs-calendar>

name	syncfusion-aspnetcore-calendars
description	Comprehensive guide for implementing Syncfusion ASP.NET Core Calendar components including Calendar, DatePicker, DateRangePicker, DateTimePicker, and TimePicker. Use this skill ALWAYS and immediately when the user asks about any Syncfusion ASP.NET Core calendar, date picker, date range picker, time picker, datetime picker, calendar views, multi-selection, Islamic calendar, date range restriction, week numbers, day cell customization, renderDayCell, date selection, range selection, date formatting, date masking, globalization, localization, strict mode, accessibility, or any related calendar/date/time UI in ASP.NET Core tag helper applications.
metadata	{"author":"Syncfusion Inc","category":"Calendars","version":"33.1.44"}

syncfusion-aspnetcore-calendars

More from this repository

Implementing Syncfusion ASP.NET Core Calendars

TimePicker

Navigation Guide

Getting Started

Time Range

Strict Mode

Globalization

Time Masking

Style and Appearance

Accessibility

How-To Guides

API Reference

Quick Start

Common Patterns

TimePicker with Value, Min, and Max

Custom Format and Step

Strict Mode

Masked Input

RTL (Right-to-Left)

DatePicker

Navigation Guide

Getting Started

Date Range

Strict Mode

Date Format

Date Masking

Views and Calendar Configuration

Globalization

Style and Appearance

Accessibility

How-To Guides

API Reference

Quick Start

Common Patterns

DatePicker with Value, Min, and Max

Custom Format

Strict Mode

Masked Input

DatePickerFor (Model Binding)

RTL (Right-to-Left)

DateTimePicker

Navigation Guide

Getting Started

Date and Time Range

Strict Mode

Date Time Format

Date Time Masking

Globalization

Style and Appearance

Accessibility

How-To Guides

API Reference

Quick Start

Common Patterns

DateTimePicker with Value, Min, and Max

Custom Format

Strict Mode

Masked Input

DateTimePickerFor (Model Binding)

RTL (Right-to-Left)

DateRangePicker

Navigation Guide

Getting Started

Range Restriction

Date Format

Customization

Globalization

Style and Appearance

Accessibility

How-To Guides

API Reference

Quick Start

Common Patterns

DateRangePicker with Start and End Date

Min/Max Date Restriction

Range Span Limits

Strict Mode

Custom Format with Input Formats