Type of date conversion that has been applied
Given a timestamp, if it belongs to a set of supported formats, return the equivalent unix timestamp. Refer to the 'DateConversion' enum for the list of supported formats.
Check that the date has valid values for days, months, and years.
Check that the time has valid values for hour, minute, and second.
Module that provides a method to convert from a date time formatted as a string to a UNIX timestamp value.