Tokyo to Honolulu Time

Tokyo (Japan) is the world's third-largest economy, with key industries in automotive, electronics, robotics, and precision instruments. Honolulu (United States) is a global financial and tech hub, known for technology, finance, healthcare, and entertainment. With a 19-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.

Scheduling Meetings Between Tokyo and Honolulu

With Honolulu 19 hours behind Tokyo, there is minimal overlap in standard business hours. Most teams alternate meeting times to share the burden of early-morning or late-evening calls fairly. Japanese business culture places high value on respect and hierarchy, with typical hours of 9 AM–6 PM. US business hours typically run 9 AM–5 PM, with a culture that values punctuality and efficiency. Consider recording meetings for those who can't attend live, and use shared documents for async collaboration.

Daylight Saving Time Considerations

Neither Tokyo nor Honolulu observes Daylight Saving Time — Tokyo stays on JST and Honolulu stays on HST year-round. This makes scheduling between these two cities simpler, as the 19-hour time difference remains constant throughout the year with no DST surprises.

JST (JST) stands for the timezone used in Tokyo, Japan (UTC+9). HST (HST) is the timezone used in Honolulu, United States (UTC-10). Tokyo is 19 hours ahead of Honolulu.

To convert JST to HST, subtract 19 hours from JST time. For example, JST 9:00 AM = HST 2:00 PM (previous day).