What time is it in Hawaii when it’s 3pm in Japan? For anyone planning travel between the two destinations, this is an important question to answer.

If you’re short on time, here’s a quick answer to your question: Hawaii is 19 hours behind Japan. So when it’s 3pm in Japan, it’s 8am in Hawaii on the same day.

In this comprehensive guide, we’ll cover everything you need to know about converting time zones between Japan and Hawaii, including:

1. The time zone difference between Japan and Hawaii

2. How to convert times taking daylight savings time into account

3. Tips, tools, and examples for planning travel and scheduling calls between the two locations

The Time Zone Difference Between Japan and Hawaii

Japan is in the Japan Standard Time Zone (JST)

When it comes to time zones, Japan follows the Japan Standard Time (JST), which is 9 hours ahead of Coordinated Universal Time (UTC+9). So, if it’s 12:00 PM in Japan, it would be 3:00 AM in UTC.

Japan is known for its rich culture, technological advancements, and bustling cities like Tokyo and Kyoto. It is a popular travel destination, attracting millions of tourists every year.

Hawaii is in the Hawaii-Aleutian Standard Time Zone (HAST)

Hawaii, on the other hand, follows the Hawaii-Aleutian Standard Time (HAST), which is 10 hours behind Coordinated Universal Time (UTC-10). So, if it’s 12:00 PM in Hawaii, it would be 10:00 PM in UTC.

Hawaii is famous for its stunning beaches, vibrant culture, and unique blend of Polynesian and American influences. It is a paradise for vacationers and surfers from all over the world.

There is a 19 hour time difference between JST and HAST

Due to the time zone difference, there is a significant gap between Japan Standard Time (JST) and Hawaii-Aleutian Standard Time (HAST). Japan is 19 hours ahead of Hawaii.

This time difference can have a significant impact on scheduling meetings, coordinating travel plans, or even staying in touch with friends and family in different time zones. It’s essential to keep this time difference in mind when planning any activities between Japan and Hawaii.

Converting the time from Japan to Hawaii or vice versa can be a bit tricky. However, several online tools and mobile apps can help you accurately calculate the time difference and schedule your activities accordingly. Some reliable sources for converting time zones include Time and Date and The Time Zone Converter.

So, whether you’re planning a trip from Japan to Hawaii, arranging a business call, or just curious about the time difference between these two beautiful destinations, knowing the time zone difference will make your life easier. Keep in mind the 19-hour time difference between JST and HAST, and you’ll never have to worry about missing an important appointment or confusing your friends with the wrong time!

Converting Times Taking Daylight Savings Into Account

Japan does not observe daylight savings time

When it comes to converting time zones from Japan to Hawaii, one important factor to consider is the difference in daylight savings time. Japan does not observe daylight savings time, which means that their clocks remain constant throughout the year. This can make it easier to calculate the time difference between Japan and Hawaii, especially when daylight savings time changes occur in Hawaii.

Hawaii does not observe daylight savings time

On the other hand, Hawaii also does not observe daylight savings time. This means that the time difference between Japan and Hawaii remains constant year-round. So, regardless of whether it is summer or winter, the time difference between the two places remains the same.

So the 19-hour time difference remains constant year-round

With Japan and Hawaii both not observing daylight savings time, the time difference between the two places remains consistent at 19 hours. This can be helpful when planning meetings, scheduling travel, or simply keeping in touch with friends or family living in different time zones.

It’s important to keep in mind that the 19-hour time difference may be adjusted during daylight savings time changes in other regions. Therefore, it’s always a good idea to check for any updates or changes in time zones when making arrangements between Japan and Hawaii.

For more information about time zones and conversions, you can visit the Time and Date website. They provide accurate and up-to-date information on time zones around the world, including Japan and Hawaii.

Tips, Tools, and Examples

Tips for converting times mentally

Converting time zones can be a challenge, but with a few tips, you can do it mentally without relying on tools or converters. First, understand the time difference between Japan and Hawaii. Japan is typically 19 hours ahead of Hawaii. To convert Japan time to Hawaii time, subtract 19 hours from the Japan time. For example, if it is 10:00 AM in Japan, it would be 3:00 PM of the previous day in Hawaii. Secondly, familiarize yourself with the common time zone abbreviations. Japan’s time zone is JST (Japan Standard Time) and Hawaii’s time zone is HST (Hawaii Standard Time). Knowing these abbreviations will make it easier to communicate and understand time conversions.

Online time zone converters

If you prefer not to calculate time zone conversions manually, there are several online tools available to help you. One popular option is Time and Date, a website that allows you to convert times between different time zones. Simply enter the time and date in Japan, select the desired time zone (Hawaii), and the converter will provide you with the equivalent time in Hawaii. Another useful online tool is the World Time Buddy, which not only allows you to convert times but also provides a visual representation of the time differences between multiple locations. These online converters eliminate the need for mental calculations and ensure accurate time zone conversions.

Examples demonstrating time conversions

Let’s look at a couple of examples to demonstrate how time conversions work between Japan and Hawaii. Example 1: If it is 8:00 PM on Monday in Japan, what time would it be in Hawaii? Using the mental calculation method, subtract 19 hours from 8:00 PM, which gives us 1:00 PM on Monday in Hawaii. Example 2: If it is 9:30 AM on Tuesday in Hawaii, what time would it be in Japan? Adding 19 hours to 9:30 AM gives us 4:30 AM on Wednesday in Japan. These examples illustrate the process of converting times between Japan and Hawaii and highlight the importance of understanding the time difference and utilizing the right tools for accurate conversions.


In summary, Japan is 19 hours ahead of Hawaii. This time difference stays the same all year because neither location observes daylight savings time. With the strategies provided, converting between time zones for travel planning and scheduling should be straightforward. Safe travels between these two amazing destinations!

Sharing is caring!

Similar Posts