@@ -567,7 +567,31 @@ void __stdcall __std_tzdb_delete_current_zone(__std_tzdb_current_zone_info* cons
567567
568568 _Info->_Abbrev =_Allocate_wide_to_narrow (_Abbrev.get (), _Abbrev_len, _Info->_Err );
569569if (_Info->_Abbrev ==nullptr ) {
570- return _Propagate_error (_Info);
570+ const auto _Abs_offset = _Info->_Offset <0 ? -_Info->_Offset : _Info->_Offset ;
571+ const auto _Offset_in_minutes = _Abs_offset / (60 *1000 );
572+ const auto _Hours = _Offset_in_minutes /60 ;
573+ const auto _Mins = _Offset_in_minutes %60 ;
574+
575+ _STD unique_ptr<char []> _Fallback_abbrev{new (_STD nothrow)char [_Mins ==0 ?4 :6 ]};
576+
577+ if (_Fallback_abbrev ==nullptr ) {
578+ return nullptr ;
579+ }
580+
581+ _Fallback_abbrev[0 ] = _Info->_Offset <0 ?' -' ' +'
582+ _Fallback_abbrev[1 ] =static_cast <char >(' 0' 10 );
583+ _Fallback_abbrev[2 ] =static_cast <char >(' 0' 10 );
584+
585+ if (_Mins ==0 ) {
586+ _Fallback_abbrev[3 ] =' \0 '
587+ }else {
588+ _Fallback_abbrev[3 ] =static_cast <char >(' 0' 10 );
589+ _Fallback_abbrev[4 ] =static_cast <char >(' 0' 10 );
590+ _Fallback_abbrev[5 ] =' \0 '
591+ }
592+
593+ _Info->_Err = __std_tzdb_error::_Success;
594+ _Info->_Abbrev = _Fallback_abbrev.release ();
571595 }
572596
573597return _Info.release ();