// Friday 5th Dec 2014
$I->seeDateIsFriday(date('r', mktime(12, 0, 0, 12, 5, 2014)));
// Friday 5th Dec 2014
$I->dontSeeDateIsFriday(date('r', mktime(12, 0, 0, 12, 6, 2014)));
// Saturday 6th Dec 2014
$I->seeDateIsSaturday(date('r', mktime(12, 0, 0, 12, 6, 2014)));
// Saturday 6th Dec 2014
$I->dontSeeDateIsSaturday(date('r', mktime(12, 0, 0, 12, 7, 2014)));
// Sunday 7th Dec 2014
$I->seeDateIsSunday(date('r', mktime(12, 0, 0, 12, 7, 2014)));
// Sunday 7th Dec 2014
$I->dontSeeDateIsSunday(date('r', mktime(12, 0, 0, 12, 1, 2014)));
// Monday 1st Dec 2014
$I->seeDateIsWeekday(date('r', mktime(12, 0, 0, 12, 3, 2014)));
// Wednesday 3rd Dec 2014
$I->dontSeeDateIsWeekday(date('r', mktime(12, 0, 0, 12, 7, 2014)));
// Sunday 7th Dec 2014
$I->seeDateIsWeekend(date('r', mktime(12, 0, 0, 12, 7, 2014)));
// Sunday 7th Dec 2014
$I->dontSeeDateIsWeekend(date('r', mktime(12, 0, 0, 12, 3, 2014)));
// Wednesday 3rd Dec 2014
$I->seeDateInFuture(date('r', strtotime('+3 years')));
// Today plus three years
$I->dontSeeDateInFuture(date('r', strtotime('-3 years')));
// Today less three years
$I->seeDateInPast(date('r', strtotime('-3 years')));
// Today less three years
$I->dontSeeDateInPast(date('r', strtotime('+3 years')));
// Today plus three years
$I->seeDateInFirstQuarter(date('r', mktime(12, 0, 0, 2, 1, 2014)));
// Feb 2014