// Today plus four years
$I->seeDateWasLastYear(date('r', strtotime('-1 year')));
// Today less one year
$I->dontSeeDateWasLastYear(date('r', strtotime('+2 year')));
// Today plus two years
$I->seeDateWasInYears(date('r', strtotime('-3 years')), 3);
// Today less three years
$I->seeDateWasInYears(date('r', strtotime('+3 years')), -3);
// Today plus three years
$I->dontSeeDateWasInYears(date('r', strtotime('-4 years')), 3);
// Today less four years
$I->seeDateIsMonday(date('r', mktime(12, 0, 0, 12, 1, 2014)));
// Monday 1st Dec 2014
$I->dontSeeDateIsMonday(date('r', mktime(12, 0, 0, 12, 2, 2014)));
// Tuesday 2nd Dec 2014
$I->seeDateIsTuesday(date('r', mktime(12, 0, 0, 12, 2, 2014)));
// Tuesday 2nd Dec 2014
$I->dontSeeDateIsTuesday(date('r', mktime(12, 0, 0, 12, 3, 2014)));
// Wednesday 3rd Dec 2014
$I->seeDateIsWednesday(date('r', mktime(12, 0, 0, 12, 3, 2014)));
// Wednesday 3rd Dec 2014
$I->dontSeeDateIsWednesday(date('r', mktime(12, 0, 0, 12, 4, 2014)));
// Thursday 4th Dec 2014
$I->seeDateIsThursday(date('r', mktime(12, 0, 0, 12, 4, 2014)));
// Thursday 4th Dec 2014
$I->dontSeeDateIsThursday(date('r', mktime(12, 0, 0, 12, 5, 2014)));
// 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