hellocetus: supermoon calendar

hellocetus is a modern astronomy app that helps you track the Moon, understand daily sky changes, and explore planetary positions all in one clean and intuitive experience.

Whether you're checking the next supermoon, viewing today’s moonrise and moonset, or exploring how planets move, hellocetus gives you accurate astronomical data without complexity.

With hellocetus, you can:

• Track supermoon events and follow the full lunar cycle
• View moonrise, moonset, and illumination at a glance
• Check daily sunrise, sunset, and total daylight time
• Visualize planetary positions with an interactive solar system view
• Access detailed planetary data including longitude, latitude, distance, and angles

Moon tracking made simple
Follow each phase of the Moon and stay updated on upcoming supermoon events. All essential lunar information is presented in a clear and easy-to-read format.

Daily Sun & Moon data
Understand how each day changes with accurate sunrise, sunset, moonrise, and daylight information.

Visualize planetary motion
Explore how planets move and align through a simple and intuitive visual interface.

Detailed astronomical data
Go beyond basics with precise planetary values including angles, distance, and coordinates.

Clean and minimal design
No clutter. No unnecessary complexity. Just the data you need, presented clearly.

hellocetus transforms complex astronomical data into a simple and elegant everyday experience.

Start exploring the sky today.