Time Duration Calculator Start Time Hour123456789101112 Minute000510152025303540455055 AMPM End Time Hour123456789101112 Minute000510152025303540455055 AMPM Calculate Duration Clear All Total Time Duration: Why Accurate Time Tracking Matters Proper time calculation is crucial for: ⏱️ Employee payroll management 💰 Freelancer billing and invoicing 📅 Project time management 🎓 Student study hour tracking Key
