...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::local_time::bad_offset — simple exception for UTC and Daylight savings start/end offsets
// In header: <boost/date_time/local_time/posix_time_zone.hpp> struct bad_offset { // construct/copy/destruct bad_offset(std::string const & = std::string()); };