Convert ChST to JST Time
Free online converter with current times, time difference, and conversion table between ChST and JST time zones.
Current time in ChST: Loading...
Current time in JST: Loading...
Time difference: -1 hours
ChST to JST Conversion Table
This table shows common ChST times converted to JST time:
About ChST and JST Time Zones
ChST Time Zone
Full Name: Chamorro Standard Time
UTC Offset: UTC+10
Current Time: Loading...
Standard time in Guam and Northern Mariana Islands.
Used in: Guam, Northern Mariana Islands
JST Time Zone
Full Name: Japan Standard Time
UTC Offset: UTC+9
Current Time: Loading...
Standard time in Japan.
Used in: Japan
How to Convert ChST to JST
Enter ChST Time
Enter the ChST time you want to convert using the time picker or by typing directly in 24-hour format.
Click Convert
Click the "Convert Time" button to perform the conversion from ChST to JST.
View Result
The equivalent JST time will be displayed, along with the time difference between the two zones.
Use Conversion Table
For quick reference, you can also use the conversion table below that shows common ChST times converted to JST.
Common Uses for ChST to JST Conversion
International Business
Schedule meetings and calls between locations in Guam and Japan time zones.
Travel Planning
Calculate arrival times and plan activities when traveling between Guam and Japan.
Event Scheduling
Convert event times for international broadcasts, webinars, or sports events between these regions.
Keeping in Touch
Find the best times to call friends, family, or colleagues across these time zones.
Frequently Asked Questions
The time difference between ChST and JST is -1 hours. This means that when it's noon (12:00 PM) in ChST, it's 11:00 AM in JST.
To convert ChST to JST time, subtract 1 hours from the ChST time. You can use our converter at the top of this page for instant and accurate conversions.
ChST does not observe DST. JST does not observe DST.
Business hours largely overlap.
Our converter uses standard time zone offsets. For the most accurate conversions during DST transition periods, please verify the exact dates when DST begins or ends in the relevant regions, as these can vary by year and location.