new DateTimeImmutable('2019-03-13' . ' ' . '07:30'), new DateTimeImmutable('2019-03-15' . ' ' . '18:00') ), false, 'ConFoo Montreal is a multi-technology conference for developers.', [ [ 'date' => '2019-03-13', 'startTime' => '14:15', 'endTime' => '15:00', 'title' => 'Technically DDD', 'room' => 'Montreal 3', ], [ 'date' => '2019-03-15', 'startTime' => '09:00', 'endTime' => '09:45', 'title' => 'Refactoring the Domain Guided by Tests', 'room' => 'ST-Laurent 7', ], // ..