Open Source C++ Date Calculators

End of Day Daily Tracking Calculator. A quick and dirty text based calculator designed to give you week to date sales, labor cost, inventory over/shortage and ext.

This calculator will allow you to convert between many different world calendar schemes and calculate ranges and ages based on these calendars. The calculator also has a script language that allows you to create variations of the built-in calendars: calendars that shift the new year to a different day, hybrid calendars that switch between schemes, local observational calendars that depend on a particular location, year counts that change for specific eras (regnal calendars) and calendars that require adjustment due to subtle differences in calculation.

VremyaMetr - a tool to measure time and study it's laws. Remind about events + Date calculator + Work with periods + Create table + Kalachakra.

Two full-fledged object-oriented classes dealing with dates (class cDate) and spans of time (class cPeriod) written in C++. The datecalc-cpp project is a sub-project of tbvs-hr (https://sourceforge.net/projects/tbvs-hr).