C/C++ Programmer's Guide (G06.25+)

Converting C-Series TNS Programs to Use the
Current TNS Compiler
HP C/C++ Programmer’s Guide for NonStop Systems—429301-008
10-4
ISO/ANSI C standard does not specify GMT. However, virtually all software
vendors use GMT, therefore, the HP implementation has changed. Greenwich
Mean Time is also called Coordinated Universal Time (UTC).