Calendar Alert Icon - Visual Indicator for Important Dates and Reminders #3687344 (License: Personal Use)

This flat-design calendar icon features a white grid layout with a red header and spiral binding at the top. One date square is filled in red, drawing attention, while a red speech bubble with a white exclamation mark floats nearby to emphasize urgency or importance. The bright blue background enhances contrast and visual clarity.

Commonly used in digital calendars, productivity apps, email reminders, and event management platforms to indicate deadlines, alerts, or critical upcoming dates. Matches user intent for quick recognition of time-sensitive actions.