UPDATE `Availability`
SET
    `startTime` = ADDTIME(`startTime`, '01:00:00'),
    `endTime` = ADDTIME(`endTime`, '01:00:00'),
    `name` = CONCAT(`name`, ' (DHT)')
WHERE
    `startTime` LIKE '%05:00%' -- this is 9:00;  -4 hours difference, where -3 is expected
    OR `startTime` LIKE '%06:30%' -- this is 10:30;  -4 hours difference, where -3 is expected
    OR `startTime` LIKE '%08:00%' -- this is 12:00;  -4 hours difference, where -3 is expected
    OR `startTime` LIKE '%09:30%' -- this is 13:30 UTC
    OR `startTime` LIKE '%11:00%' -- this is 15:00 UTC
    OR `startTime` LIKE '%12:30%' -- this is 16:30 UTC
    OR `startTime` LIKE '%14:00%' -- this is 18:00 UTC

SELECT
    p.id,
    p.firstName,
    p.lastName,
    a.id,
    name,
    dayofweek,
    startTime,
    endTime,
    dayOfMonth,
    weekOfMonth,
    isFromPreviousAssignment,
    isFromPreviousMonth,
    endDate,
    repeatWeekly,
    dateOfEntry,
    parentAvailabilityId
FROM
    `Availability` a
    left join Publisher p on p.id = publisherId
WHERE
    name LIKE '%(DHT)%'