JST to UTC Converter
Convert times between Japan Standard Time (JST) and Coordinated Universal Time (UTC). Simply click the time tiles to change date and time.
Try Other Popular Pairs
Guide
Table of Contents
Understanding JST to UTC Time
Japan Standard Time (JST) is the standard time zone in Japan. It is equivalent to UTC+9. Learn more at Wikipedia: Japan Standard Time.
Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time. You can find detailed information on Wikipedia: Coordinated Universal Time.
JST is nine hours ahead of UTC. This means that when it’s midnight UTC, it’s 9 AM in Japan.
How to Convert JST to UTC Time
Master the time difference between JST and UTC! Our converter makes it easy. Just follow these simple steps:
- Click on the JST time tile (left) to choose the time you want to convert to UTC.
- The time in UTC (right) will be updated accordingly.
- Vice versa, you can also change UTC time and JST time will be updated accordingly
- To share the converted time, click on “Copy Sharable Link” and share it with your friends!
If you’re seeking conversions for other time zones, visit our main Time Converter page.
JST to UTC Time Conversion Chart
This Time Conversion Chart is based on the time as of 20 Sep 2025. While the times in the table account for Daylight Saving Time (DST), please use the tool above for real-time conversions between JST and UTC and to obtain the correct named time zones that adjust with DST.
| 12:00 am JST | is | 3:00 pm UTC |
| 1:00 am JST | is | 4:00 pm UTC |
| 2:00 am JST | is | 5:00 pm UTC |
| 3:00 am JST | is | 6:00 pm UTC |
| 4:00 am JST | is | 7:00 pm UTC |
| 5:00 am JST | is | 8:00 pm UTC |
| 6:00 am JST | is | 9:00 pm UTC |
| 7:00 am JST | is | 10:00 pm UTC |
| 8:00 am JST | is | 11:00 pm UTC |
| 9:00 am JST | is | 12:00 am UTC |
| 10:00 am JST | is | 1:00 am UTC |
| 11:00 am JST | is | 2:00 am UTC |
| 12:00 pm JST | is | 3:00 am UTC |
| 1:00 pm JST | is | 4:00 am UTC |
| 2:00 pm JST | is | 5:00 am UTC |
| 3:00 pm JST | is | 6:00 am UTC |
| 4:00 pm JST | is | 7:00 am UTC |
| 5:00 pm JST | is | 8:00 am UTC |
| 6:00 pm JST | is | 9:00 am UTC |
| 7:00 pm JST | is | 10:00 am UTC |
| 8:00 pm JST | is | 11:00 am UTC |
| 9:00 pm JST | is | 12:00 pm UTC |
| 10:00 pm JST | is | 1:00 pm UTC |
| 11:00 pm JST | is | 2:00 pm UTC |
Best Meeting Times Between JST and UTC
The following times are within business hours (8 am – 6 pm) for both locations as of 20 Sep 2025:
FAQ
-
What is the time difference between JST and UTC time zones?
As of 20 Sep 2025, the Japan Standard Time (JST) is 9.0 hours ahead of Coordinated Universal Time (UTC).
-
Why trust our online JST to UTC time converter?
Our JST to UTC time converter uses the IANA time zone database, a highly reputable and trusted source for global time zone information. This ensures our time conversions are accurate and reliable, including daylight saving time (DST) adjustments.
-
What does the "Copy Sharable Link" button do?
The "Copy Sharable Link" button generates a deep link to the current time zone conversion between JST and UTC you're viewing, and add it to your Clipboard (you can then paste and share with your friend). This link includes specific details like the time zones selected and any adjustments for daylight saving time (DST).
Install Our Extensions
Add IO tools to your favorite browser for instant access and faster searching
Must-Try Tools
View All New Arrivals in Time Converter
Update: Our latest tool was added on Sep 16, 2025
Get Involved
Help us continue providing valuable free tools
