Convert dates, track Julian Day Numbers, manage
Convert Julian dates to Gregorian and vice versa. Calculate Julian Day Numbers. Track historical or scientific date references. Manage date conversions for astronomy, military, food production, or research.
Showing 1–20 of 1,000 ranked alternatives.
Applorium Ltd
View dates with widgets
View and switch between multiple formats including Short Date, Long Date, Date, and Mars Sol Date. Display dates on lock and home screen widgets. Convert to Unix time and other supported date systems.
Flying Titans, Inc.
Current date and time formats provided.
The app displays the current date and time in Julian Date, Modified Julian Date, Truncated Julian Date, and Dublin Julian Date formats. It also provides the Gregorian ISO 8601 numeric date time format.
Atanasij Trajkovski
Track feast days and saints' dates
View a full-year of feast days and saints based on the Julian . Switch between and English languages. Mark and navigate dates easily. Set reminders for special days.
Tsuyoshi Sawada
Track LST and sync locations
Display local for selected locations. Calculate LST and Julian Date for any date and . Sync location lists between iPhone and paired Apple Watch devices.
Chinsoft Co., Ltd.
Track dates and daily fortunes
Track dates across 221BC-3359AD with year, month, day, and decade views. View imperial details including five elements and nine star. Check daily do's and don'ts, lucky/unlucky spirits, and spirit directions.
John Nairn
Calculate dates across multiple calendar systems
Calculate dates across Gregorian, Julian, Hebrew, and French Republic calendars. Convert dates to find the day of the week. Determine time spans between two dates. Add or subtract time from a . Perform various and time conversions.
Exeersoft Inc
Track events, set reminders, switch languages
Displays dates in Persian, Islamic, and Gregorian calendars. Users can switch between English and Farsi languages. It shows international holidays and Persian events. Features include daily, monthly, and annual views.
Scott DeSapio
Convert units across 16 categories
Convert units across 16 categories with instant results. Switch between metric, imperial, and other systems. Calculate conversions for length, weight, temperature, and more. Store frequently used values for quick access.
Juan Carlos Perez
Convert between 11 formats
Displays 11 date formats including CCSDS Date, Dublin Date, and Unix Time. It features a calendar to view daily . Tapping a date copies it to the clipboard for use in other apps.
Gimin Kim
Convert time formats and align data
Convert GPS Time to UTC and vice versa with support for leap seconds. Input GPS Week and Time of Week or GPS Week and Day of Week. Output in various time formats. Align observation data and parse ephemerides efficiently.
Elias Haileselassie
Track dates and convert calendars
Track dates and holidays in the . Convert dates between and Gregorian calendars. View national holidays, Muslim holidays, Orthodox fasts, feasts, and international dates.
Enphase Energy, Inc.
Verify system health and performance
Monitor system health and performance with real-time verification. View energy production by month, day, or hour. Compare performance against historical weather data. Generate reports on energy production and usage.
Hamro Patro
Track date and forex trends
View current date/time and with public holidays and festivals. Track forex rates and 30-day trends. Convert (BS) to Gregorian (AD) dates. Access e-cards for festivals and events. Share holiday cards with contacts.
LEOIO INC.
Find qibla direction and calculate prayer times
Determine qibla direction based on location. Calculate prayer times using location-based calculations. View calendar with event recording and date navigation in multiple languages. Set reminders for prayer times and events.
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