JST to UTC Converter
JST in UTC Converter
Current Time
Converted Time
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JST to UTC Time Difference Calculator
between JST and UTC: 9 hours behind
How to convert JST to UTC
To convert from JST to UTC, note that the time difference is 9 hours. Steps: 1. Click the JST (left) and select the time you want to convert. 2. The corresponding time in UTC (right) will update automatically. 3. You can also adjust the date and time by clicking the date or time field. When it's 12:00 PM in JST, it's 3:00 AM in UTC. This conversion accounts for daylight saving time (DST) changes, which can affect the time difference throughout the year
What Current Time Now in JST?
The current time in JST is 12:24 AM, December 26, 2025.
What Current Time Now in UTC?
The current time in UTC is 3:24 PM, December 25, 2025.
JST to UTC Conversion Chart
| JST (Source Time) | UTC (Target Time) |
|---|---|
| 12:00 AM | 3:00 PM |
| 1:00 AM | 4:00 PM |
| 2:00 AM | 5:00 PM |
| 3:00 AM | 6:00 PM |
| 4:00 AM | 7:00 PM |
| 5:00 AM | 8:00 PM |
| 6:00 AM | 9:00 PM |
| 7:00 AM | 10:00 PM |
| 8:00 AM | 11:00 PM |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Why Trust Our Time Zone Converter
Our time zone converter uses the official IANA Time Zone Database, which is maintained by a group of volunteers and is the most accurate source for time zone information worldwide. The converter automatically accounts for daylight saving time changes and provides real-time conversion based on current DST status.
Frequently Asked Questions
What is the time difference between JST and UTC?
The time difference between JST (Japan Standard Time) and UTC (Coordinated Universal Time) is 9 hours. JST is behind UTC.
Does JST observe daylight saving time?
JST does not observe daylight saving time.
How do I convert a specific time from JST to UTC?
Use the time converter above. Enter the date and time in JST, and the converter will automatically display the corresponding time in UTC.
Is the time difference constant throughout the year?
The time difference may vary if either JST or UTC observes daylight saving time (DST). During DST periods, the offset changes by one hour. Our converter automatically accounts for these changes.