SELECT r1.DATE, e1.id_employees, r1.id_department, s1.id_office, s1.startTime,CONCAT(r1.id_department,'_',s1.id_office,'_',r1.DATE) AS Uslov

FROM tbl_schedule AS r1

INNER JOIN tbl_calendar AS k1 ON r1.DATE = k1.DATE

LEFT JOIN tbl_citydepartmentoffice AS s1 ON (k1.id_cityDepartmentOffice = s1.Id_cityDeparmentOffice AND r1.id_department = s1.id_department)

INNER JOIN tbl_employees AS e1 ON r1.id_employees=e1.id_employees

INNER JOIN (

    SELECT ra1.DATE, ea1.id_employees, ra1.id_department, sa1.id_office, sa1.startTime

    FROM tbl_schedule AS ra1

    INNER JOIN tbl_calendar AS ka1 ON ra1.DATE = ka1.DATE

    LEFT JOIN tbl_citydepartmentoffice AS sa1 ON (ka1.id_cityDepartmentOffice = sa1.Id_cityDeparmentOffice AND ra1.id_department = sa1.id_department)

    INNER JOIN tbl_employees AS ea1 ON ra1.id_employees=ea1.id_employees

    WHERE ea1.id_employees=1001) tUs

    ON CONCAT(s1.id_office,'_',r1.DATE) = CONCAT(tUs.id_office,'_',tUs.DATE)

ORDER BY r1.DATE ASC, r1.id_department ASC;