JST to HST: Japan Standard Time to Hawaii-Aleutian Standard Time

19 hours behind JST

HST compared with JST, right now. Swap: HST to JST ⇄

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For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.

Japan Standard Time (JST). All of Japan, including Tokyo and Osaka. JST is UTC+9 all year.

No clock change is scheduled; the offset stays the same all year.

Hawaii-Aleutian Standard Time (HST). Hawaii, which stays on UTC−10 all year and does not observe daylight saving time.

No clock change is scheduled; the offset stays the same all year.

HST is 19 hours behind JST. Neither side uses daylight saving time, so the difference is the same all year.

On Tuesday, November 3, 2026, 9:00 AM in JST was 2:00 PM (previous day) in HST. The conversion table above shows today’s values.

JST does not change its clocks. HST does not change its clocks.

Japan Standard Time does not use daylight saving time, so JST applies all year.