Horology free download for Mac


24 February 2012

A calculator and converter for working with dates and times.


Horology is a date/time calculator and converter.


  • Compare two dates: enter two dates and see the difference in years, months, days, hours, etc.
  • Calculate a new date: enter a starting date and add or subtract years, months, days, hours, minutes, and/or seconds to see what the resulting date will be.
  • Convert time values: enter a value and see what it converts to, e.g., how many seconds are in 7 days, or the number of hours in a month.

What's new in Horology

Version 1.1:
  • Added weeks to calculator, comparator, and converter.
  • UI improvements.
  • Added help/tips display for each screen.
  • Added 'cat years' conversion.

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