ThunderTime is an easy-to-use distant calculator for lightning strikes.

It calculates the proximity of lightning strikes by measuring the time between lightning and thunder.

Features:
✓ Measure the distance between your location and a lightning strike.
✓ Clean and nice interface.
✓ View the speed of sound by tapping the display.
✓ Change the temperature for more precise calculations.
✓ ThunderTime can determine the current temperature based on your location (tap the temperature).
✓ Choose between English and metric units.
✓ ThunderTime tells you if the lightning strikes are coming closer based on previous calculations.
✓ Thunderstorm movements are visualised by arrows.
✓ View lightning strikes on a map.
✓ Share on Twitter.

Disclaimer: the user assumes the entire risk related to the use of the ThunderTime App in all conditions.