# POSIX::mktime took:                  139 wallclock secs (33.27 usr + 40.64 sys = 73.91 CPU)
# Time::Local::timegm_nocheck took:    58 wallclock secs (57.67 usr +  0.15 sys = 57.82 CPU)
# FastMktime took:                     22 wallclock secs (22.53 usr +  0.02 sys = 22.55 CPU)