// Today's date plus ten months
$I->seeDateWasLastMonth(date('r', strtotime('-1 month')));
// Today's date less one month
$I->dontSeeDateWasLastMonth(date('r', strtotime('-10 months')));
// Today's date less ten month
$I->seeDateWasInMonths(date('r', strtotime('-3 months')), 3);
// Today's date less three months
$I->seeDateWasInMonths(date('r', strtotime('+25 months')), -25);
// Today's date plus twenty-five months
$I->dontSeeDateWasInMonths(date('r', strtotime('-10 months')), 12);
// Today's date less ten months
$I->seeDateIsNextYear(date('r', strtotime('+1 year')));
// Today plus one year
$I->dontSeeDateIsNextYear(date('r', strtotime('-2 year')));
// Today less two years
$I->seeDateIsInYears(date('r', strtotime('+3 years')), 3);
// Today plus three years
$I->seeDateIsInYears(date('r', strtotime('-3 years')), -3);
// Today less three years
$I->dontSeeDateIsInYears(date('r', strtotime('+4 years')), 3);
// 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