Led by one of our knowledgeable guides, this 90-minute experience reveals how ancient civilizations used the movement of the Sun to measure time and mark the changing seasons. You’ll learn the science and cultural history behind the Henge’s unique Southern Hemisphere design before witnessing the sunset alignment from within the stone circle. Weather permitting, you’ll see how the setting Sun interacts with the Henge’s structure – a moment that beautifully connects ancient wisdom with the rhythms of nature. Duration & Schedule. Allow: approximately 90 minutes. Start Time: begins one hour before sunset. Availability: Sunset Tours are offered on any day with advance booking required. Discover Wairarapa’s Best Sunset Tour.