- Blue Moon
- Micro Moon
- Super Moon – Super Full Moon
- General Information on Solar and Lunar Eclipses
- About the Moon Distance Calculator
- Moon Phase Calculator – Calculate moon phases for any year
- Sunrise Calculator – Find times for sunrise, sunset and more
- Day and Night World Map – See which parts of the Earth are currently illuminated by the Sun
- Astronomy API Services
Related time zone tools
- The World Clock – Current times around the world
- Personal World Clock – Shows just the cities you need
- Meeting Planner – Find a suitable time for an international meeting
- Time Zone Converter – If it is 3 pm in New York, what time is it in Sydney?
- Event Time Announcer/Fixed Time – Show local times worldwide for your event.