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

19 hours ahead of HST

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

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

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.

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.

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

On Tuesday, November 3, 2026, 9:00 AM in HST was 4:00 AM (next day) in JST. The conversion table above shows today’s values.

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

Hawaii-Aleutian Standard Time does not use daylight saving time, so HST applies all year.