Date Calculator: Days & Age

Contains adsIn-app purchases
Content rating
Everyone
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Content rating
Everyone
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About this app

No account. Works offline. Instant results, with no ads on the calculators. Date calculator, days between dates, age calculator, business days calculator, countdown.

Use this date calculator to find days between dates, add or subtract calendar time, and plan a deadline. See calendar breakdowns, total days and business days with selected US federal holidays excluded. Choose whether to include the end date and review the holidays skipped.

The age calculator shows calendar age, the next birthday and total days lived. A February 29 birthday can use February 28 or March 1 in common years. The business days calculator supports observed federal holidays and Pro custom dates. Save a countdown for a trip, occasion or deadline, and pin upcoming events to a home-screen widget.

Every calculator is free, with up to three saved events. One lifetime Pro purchase adds unlimited events, custom holiday dates, widget styles and removes ads. A rewarded ad can unlock widget styles for 24 hours when available. Backup export and import use a JSON file. No account is required.

Plan with a date calculator, check days between dates, use the age calculator, consult the business days calculator, and keep a countdown close to home.
Date calculator: days between dates, business days, age & countdown
Updated on
Nov 3, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, Financial info and 3 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Initial release.
Content rating
Everyone
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App support

About the developer
PT HALIM BOX
halimbox026@gmail.com
Jl Kemuning 83 Rt 001/11 Kota Administrasi Jakarta Barat DKI Jakarta 11830 Indonesia
+62 896-7357-4131

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