このクエリを試してください。オフセット時間は（オフセット/ 60/60）
です。SELECT tzname.`Time_zone_id`,(`Offset`/60/60) AS `offsettime`,`Is_DST`,`Name`,`Transition_type_id`,`Abbreviation`
FROM `time_zone_transition_type` AS `transition`, `time_zone_name` AS `tzname`
WHERE transition.`Time_zone_id`=tzname.`Time_zone_id`
ORDER BY transition.`Offset` ASC;
結果は
501 -12.00000000 0 0 PHOT Pacific/Enderbury
369 -12.00000000 0 0 GMT+12 Etc/GMT+12
513 -12.00000000 0 1 KWAT Pacific/Kwajalein
483 -12.00000000 0 1 KWAT Kwajalein
518 -11.50000000 0 1 NUT Pacific/Niue
496 -11.50000000 0 1 SAMT Pacific/Apia
528 -11.50000000 0 1 SAMT Pacific/Samoa
555 -11.50000000 0 1 SAMT US/Samoa
521 -11.50000000 0 1 SAMT Pacific/Pago_Pago
496 -11.44888889 0 0 LMT Pacific/Apia
528 -11.38000000 0 0 LMT Pacific/Samoa
555 -11.38000000 0 0 LMT US/Samoa
521 -11.38000000 0 0 LMT Pacific/Pago_Pago
518 -11.33333333 0 0 NUT Pacific/Niue
544 -11.00000000 0 3 BST US/Aleutian
163 -11.00000000 0 3 BST America/Nome
518 -11.00000000 0 2 NUT Pacific/Niue
496 -11.00000000 0 2 WST Pacific/Apia
544 -11.00000000 0 0 NST US/Aleutian
163 -11.00000000 0 0 NST America/Nome
528 -11.00000000 0 4 SST Pacific/Samoa
528 -11.00000000 0 3 BST Pacific/Samoa