Convert JST to ChST Time

Free online converter with current times, time difference, and conversion table between JST and ChST time zones.

Current time in JST: Loading...

Current time in ChST: Loading...

Time difference: +1 hours

JST to ChST Conversion Table

This table shows common JST times converted to ChST time:

About JST and ChST Time Zones

JST Time Zone

Full Name: Japan Standard Time

UTC Offset: UTC+9

Current Time: Loading...

Standard time in Japan.

Used in: Japan

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

How to Convert JST to ChST

1

Enter JST Time

Enter the JST time you want to convert using the time picker or by typing directly in 24-hour format.

2

Click Convert

Click the "Convert Time" button to perform the conversion from JST to ChST.

3

View Result

The equivalent ChST time will be displayed, along with the time difference between the two zones.

4

Use Conversion Table

For quick reference, you can also use the conversion table below that shows common JST times converted to ChST.

Common Uses for JST to ChST Conversion

🌐

International Business

Schedule meetings and calls between locations in Japan and Guam time zones.

✈️

Travel Planning

Calculate arrival times and plan activities when traveling between Japan and Guam.

📺

Event Scheduling

Convert event times for international broadcasts, webinars, or sports events between these regions.

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Keeping in Touch

Find the best times to call friends, family, or colleagues across these time zones.

Frequently Asked Questions

What is the time difference between JST and ChST? +

The time difference between JST and ChST is +1 hours. This means that when it's noon (12:00 PM) in JST, it's 1:00 PM in ChST.

How do I convert JST to ChST time? +

To convert JST to ChST time, add 1 hours to the JST time. You can use our converter at the top of this page for instant and accurate conversions.

Do JST and ChST observe Daylight Saving Time? +

JST does not observe DST. ChST does not observe DST.

What are the best times for calls between JST and ChST regions? +

Business hours largely overlap.

Is this converter accurate during Daylight Saving Time changes? +

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.