Values from this php vrsn: 5.6.40 // cycling through getdate
	
# date_default_timezone_set(date_default_timezone_get());

time zone un set: Cycles = 5000  /  Time = 19.148024082184
time zone un set: Cycles = 500  /   Time = 1.6940588951111
time zone un set: Cycles = 50  /    Time = 0.13088202476501

	time zone un set: Cycles = 50  /  Time = 0.00010514259338379
with ... 
date _default _timezone _set( date _default_ timezone_ get() ) ;

time zone is set: Cycles = 5000  /   Time = 0.094448089599609
time zone is set: Cycles = 500  /    Time = 0.008296012878418
time zone is set: Cycles = 50  /     Time = 0.00073695182800293

	time zone is set: Cycles = 50  /  Time = 6.2942504882812E-5