Visualizing Day and Night on Earth with Python (Real-Time World Map)

This article walks through building a Python-based day/night world map using Open-Meteo APIs and Cartopy. By combining geocoding, sunrise and sunset data, and astronomical calculations, we create a visualization that reveals how Earth’s rotation affects every location on the planet.

Getting Started with pytest

Testing your code doesn’t have to be stressful or complicated—especially when you have the right tools. In this beginner-friendly guide, you’ll discover how pytest makes testing in Python simple, readable, and fast, even if you’ve never written a test before.