Here's a concise description of the Hours Calculator:

A responsive web tool that calculates duration between two times, featuring a modern interface with time pickers. It automatically handles overnight calculations and displays results in hours/minutes. Built with HTML, CSS, and JavaScript in a single file, it includes input validation, animated feedback, and works across devices. Users can quickly determine time differences for work shifts, meetings, or projects.

Key Features:

• 24-hour format support

• Overnight time calculation

• Instant results with animation

• Mobile-friendly design

• No external dependencies

• Error prevention for invalid inputs