Apps Like Calendarium - About this Day for iPhone and iPad
Explore historical events and daily facts
View historical events for each date. Track sunrise and sunset times. Display week number, day length, and moon phase. Learn daily facts from various historical periods. Share interesting facts with others.
by Piotr Knapczyk★ 4.72,255 ratingsReferenceFreeData updated 2026-09-08
The app displays the sky and shows the time of day, day of year, and the location of celestial bodies. It provides sunrise and sunset times, Moon phase, and transit times for celestial objects.
Track , full , and new dates. View sunrise/sunset and moonrise/moonset times. Check lunar days and zodiac signs for the ’s position. Access daily forecasts for the upcoming month. Determine favorable planting days based on lunar cycles.
The app provides daily sunrise, sunset, day length, and solar noon times. It also includes moonrise, moonset, moon phase times, and moon illumination percentages.
Track lunar phases, moonrise and moonset times, and eclipse predictions. View detailed maps and surface features. Adjust settings for photography with exposure and focus guides. Access astronomical data and cultural lunar calendars.
Track , full , and new dates. View sunrise/sunset and moonrise/moonset times. Check lunar days and zodiac signs for the position. Access daily forecasts for the upcoming month. Determine favorable planting days based on lunar cycles.
Display Hijri and Gregorian dates, prayer times, and sunrise/sunset times. Show moon phases and events. Set adhan notifications and qibla direction. Add events to the . Change themes and sizes. Lock screen widgets.
Track sunrise and sunset times globally. Determine civil, nautical, and astronomical twilight periods. Calculate day length and solar transit. Monitor moonrise and moonset times. View phase and illumination levels.
Access city time with a home screen widget. Automatically detect location and view time zone details. Get sunrise, sunset, moonrise, and moonset times. Track daylight saving changes and twilight periods.
Calculate prayer times and astronomical data for Muslims. Track anti-transit, sunrise, sunset, and other celestial events. Display times for Fajr, Zuhr, 'Asr, Maghrib, and 'Isha. Include shar'i night calculations and planetary positions.
Determine direction using a digital . Display azimuth at the top of the screen. Navigate while hiking or traveling. Indicate north, south, east, and west. Show magnetic field orientation.
Explore celestial objects with interactive star maps and detailed information. Identify constellations and planets. View historical and cultural facts. Set location-based sky views and track celestial events.
Explore Baha'i prayers and writings in 111 languages. Search the entire writings collection. Access holy days writings and ridvan messages. Use the kitab-i-aqdas explorer and matrix. Study the kitab-i-iqan.
Track tides and marine weather conditions with real-time data from global providers. View detailed and forecasts. Set alerts for tides and sunsets. Sync with Apple Watch for full-screen displays. Share station information.
View real-time Moon and Sun images with technical data. Check current Moon phase and position in the sky. Find Moon rise and set times. See Sun rise and set times. Determine if the Moon is above the horizon.
Build and customize rockets to explore a realistically scaled universe. Navigate using real orbital mechanics and travel to distant planets and objects. Interact with Mercury, Venus, Earth, the Moon, Mars, Phobos, and Deimos.