Calculate age based on birthdate. Convert dates between 9+ calendar systems including Gregorian, Chinese, Japanese, Thai, Hebrew, Islamic, Persian, Indian, Mayan, and Ethiopian.
by Daniel Hanberg Alonso★ 0.00 ratingsUtilitiesFreeData updated 2026-09-26
Record important dates and track time between events. Set countdowns and count-ups for special occasions. Calculate dates between events. Classify and organize events. Receive custom time reminders. View historical events from today.
Displays the current month with holidays and events. Select any date for detailed view. Show current date in menu bar and dock. Access calendar features via widget. Customize date display settings.
Allows users to view perpetual and lunar calendars, check holiday schedules, and track rest days. Set reminders for birthdays, anniversaries, and events. Record daily schedules and manage to-do lists. Query lucky days and festival dates.
The app converts dates between the Gregorian and fixed Fatimid Islamic Hijri calendars. Users can view both calendars month by month and see corresponding dates when clicking on specific days.
Calculate ages using birth month and day. Determine if someone is lying about their age. Predict a baby’s birth date based on the mother’s last menstrual period. Share results via text or social media.
World Clock lets users add locations and scroll a timeline to check zones. It displays common working hours for selected locations on a calendar screen. Users can adjust zones and view differences.
Perform complex calculations using ten built-in calculators. Access ten financial worksheets for budgeting, loans, and investments. Input formulas, view results, and save calculations. Export data as PDF or text. Switch between light and dark modes.
Calculate BaZi charts to analyze personality traits and life events based on birth details. Choose Chinese names with favorable elements and meanings aligned with birth data. Provide guidance on balancing energy flow in living spaces.
Perform complex calculations with 10 financial worksheets and 10 calculators. Switch between landscape and portrait modes. View results in decimal, fraction, or percentage formats. Save and recall previous calculations. Export data as text or PDF.
Track dates and events using the . Save tasks and set reminders with built-in alarms. Customize themes and browse any year. Convert dates between and Gregorian systems. Add and manage events with views.