Blazor Calendar Example - Special Dates
In the following example, specific dates are highlighted in the Calendar.
December 2025
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 30 | 1 | 2 | 3 | 4 | 5 | 6 |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 | 1 | 2 | 3 |
Selected date is: 12/12/2025
The Special Dates example demonstrates, how to customize specific dates in a calendar by using the OnRenderDayCell event. This event gets triggered on each day cell element creation that allows you to customize or disable the specific dates in the calendar. Here, list of dates in the current month are customized with custom styles by adding the personal-appointment and official-appointment classes.