ref: 12d6eb0ce3d6701a7a5e44083e18a3cb32a64539 dir: /adm/timezone/Australia_West/
WST 28800 WDT 32400 152071200 162957600 436327200 447213600 690343200 699415200 1193536800 1206842400 1224986400 1238292000