>And strictdate format in VFP:) {^1970/1/1} would fail I mean under fox2x.
Yes, most improvements related to strict dates were introduced in version 6, including:
SET STRICTDATE
SET CENTURY ROLLOVER (some improvements in version 6, IIRC)
date(y, m, d)
Date constants {^yyyy-mm-dd}
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)