New York City’s Manhattanhenge is back—here’s how to see it

AI Insight

Manhattanhenge is a biannual phenomenon in New York City where the setting sun aligns precisely with the east-west street grid, creating a striking visual effect as sunlight illuminates the cross streets. The event occurs on specific dates when the sunset angle matches the orientation of Manhattan's street layout, typically in late May and mid-July. The phenomenon is named after Stonehenge due to the similar alignment of celestial bodies with human-made structures.

Why it matters

This predictable astronomical event demonstrates how urban planning intersects with celestial mechanics and provides an accessible way for city residents to engage with astronomical phenomena. It also serves as an educational opportunity to understand solar angles, Earth's axial tilt, and the relationship between our built environment and natural cycles.