Frequently Asked Questions

:ref:`What does DateTime Library do?<faq1>`
:ref:`What do I need to do to install DateTime Library?<faq2>`
:ref:`How do I add to the DateTime Library documentation?<faq3>`
:ref:`How do I report a bug?<faq4>`
:ref:`I need more information on date and time algorithms<faq5>`

What does DateTime Library do?

DateTime is a library which provides simple date and time conversion, manipulation and comparison functions for use in any of your assembler projects.

What do I need to do to install DateTime Library?

Please follow the :ref:`Installation & Setup<Installation & Setup>` guide for details on how to install the DateTime Library for your particular assembler versions that you are using.

How do I add to the DateTime Library documentation?

Please follow the :ref:`Contributing<Contributing>` guide for details on how to add to, or edit, the DateTime Library documentation.

How do I report a bug?

If you should encounter any bugs, please open a new issue on the DateTime Library Github repository.

I need more information on date and time algorithms

Here are some useful links for gregorian, julian, millisec, unixtime topics & algorithms:

Perpetual Calendar Weekday computation in your head by lutz

Julian Day Numbers by William H. Jefferys

Julian Day Numbers by Peter Meyer

Julian Day Numbers Using Calgo #199 by Paul Myers

Julian Day Numbers for dates on the Gregorian and Julian Calendars by Kelley L. Ross

How to calculate a Julian Date

Time format conversions SYSTEMTIME to FILETIME to SQL time string to Unix time_t by John Stewien

Convert milliseconds to time

Convert to Unix Time

Calendar Converter by John Walker

Gregorian calendar

Unix Time Stamp - Epoch Converter