UTC−10:30 Former time zone in Hawaii (1896–1947) From Wikipedia, the free encyclopedia UTC−10:30 is an identifier for a time offset from UTC of −10:30. Quick facts Current time ...UTC−10:30Time zoneUTC offsetUTCUTC−10:30Current time01:31, 18 March 2026 UTC−10:30 [refresh]Close History Hawaii used a standard time of UTC−10:30 from 1896 until 1947, when the time zone was changed to UTC−10:00.[1][2] See also Time in Hawaii References [1]North America at the IANA time zone database. Internet Assigned Numbers Authority (IANA). Retrieved 10 May 2021. [2]Schmitt, Robert G. and Cox, Doak G. (1997) Hawaiian Time (eVols). Hawaiian Journal of History, vol. 26. Hawaiian Historical Society. p. 13. Retrieved 10 May 2021. This standards- or measurement-related article is a stub. You can help Wikipedia by adding missing information.vte Related Articles