Event Duration Calculator

Free event duration calculator. Calculate exact duration between event start and end times. Perfect for scheduling and billing.

Calculate the exact duration between an event's start and end time. Enter both times and see hours, minutes, and seconds of duration. Handles overnight events crossing midnight.

Common use cases

  • Meeting duration tracking
  • Event planning and scheduling
  • Billing for time-based services
  • Venue and rental bookings
  • Recording session logging

How to use

  1. Enter the event start time
  2. Enter the event end time
  3. View the calculated duration
  4. Handle overnight events automatically
  5. Get duration in multiple formats

FAQ

What if end time is before start?

The calculator assumes the event spans midnight and calculates accordingly.

Can I include dates?

For multi-day events, enter both date and time for accurate calculation.

Is this for one event or multiple?

This calculates single event duration. For totaling multiple events, add results together.