Convert JST to UTC Time - Tokyo to Global

Convert Japan Standard Time (JST) to Coordinated Universal Time (UTC, UTC+0) with our professional time zone converter. Designed for international business meetings between Tokyo to Global, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling.

🇯🇵

JST

Japan Standard Time

Current Time

Select Date & Time

→

🌍

UTC

Coordinated Universal Time

Current Time

Converted Time

Select a time to convert

Time Difference

Your Local Time

UTC Time

JST to UTC Time Conversion

Coordinated Universal Time is 9 hours behind Japan Standard Time

Always accurate • Live conversion

-9h

difference

JST to UTC Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

Japan Standard Time to Coordinated Universal Time full day schedule

🇯🇵 Japan Standard Time	🌍 Coordinated Universal Time
12:00 AM 00:00	3:00 PM (previous day) 15:00
1:00 AM 01:00	4:00 PM (previous day) 16:00
2:00 AM 02:00	5:00 PM (previous day) 17:00
3:00 AM 03:00	6:00 PM (previous day) 18:00
4:00 AM 04:00	7:00 PM (previous day) 19:00
5:00 AM 05:00	8:00 PM (previous day) 20:00
6:00 AM 06:00	9:00 PM (previous day) 21:00
7:00 AM 07:00	10:00 PM (previous day) 22:00
8:00 AM 08:00	11:00 PM (previous day) 23:00
9:00 AM 09:00	12:00 AM 00:00
10:00 AM 10:00	1:00 AM 01:00
11:00 AM 11:00	2:00 AM 02:00
12:00 PM 12:00	3:00 AM 03:00
1:00 PM 13:00	4:00 AM 04:00
2:00 PM 14:00	5:00 AM 05:00
3:00 PM 15:00	6:00 AM 06:00
4:00 PM 16:00	7:00 AM 07:00
5:00 PM 17:00	8:00 AM 08:00
6:00 PM 18:00	9:00 AM 09:00
7:00 PM 19:00	10:00 AM 10:00
8:00 PM 20:00	11:00 AM 11:00
9:00 PM 21:00	12:00 PM 12:00
10:00 PM 22:00	1:00 PM 13:00
11:00 PM 23:00	2:00 PM 14:00

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12:00 AM

JST

→

3:00 PM

UTC

(previous day)

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1:00 AM

JST

→

4:00 PM

UTC

(previous day)

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2:00 AM

JST

→

5:00 PM

UTC

(previous day)

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3:00 AM

JST

→

6:00 PM

UTC

(previous day)

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4:00 AM

JST

→

7:00 PM

UTC

(previous day)

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5:00 AM

JST

→

8:00 PM

UTC

(previous day)

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6:00 AM

JST

→

9:00 PM

UTC

(previous day)

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7:00 AM

JST

→

10:00 PM

UTC

(previous day)

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8:00 AM

JST

→

11:00 PM

UTC

(previous day)

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9:00 AM

JST

→

12:00 AM

UTC

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10:00 AM

JST

→

1:00 AM

UTC

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11:00 AM

JST

→

2:00 AM

UTC

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12:00 PM

JST

→

3:00 AM

UTC

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1:00 PM

JST

→

4:00 AM

UTC

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2:00 PM

JST

→

5:00 AM

UTC

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3:00 PM

JST

→

6:00 AM

UTC

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4:00 PM

JST

→

7:00 AM

UTC

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5:00 PM

JST

→

8:00 AM

UTC

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6:00 PM

JST

→

9:00 AM

UTC

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7:00 PM

JST

→

10:00 AM

UTC

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8:00 PM

JST

→

11:00 AM

UTC

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9:00 PM

JST

→

12:00 PM

UTC

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10:00 PM

JST

→

1:00 PM

UTC

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11:00 PM

JST

→

2:00 PM

UTC

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Best Meeting Times for JST and UTC

Optimal Collaboration Hours

Best times for JST ↔ UTC meetings and calls

✅ Business hours overlap available

Recommended Meeting Windows

6:00 PM JST → 9:00 AM UTC

Perfect for both time zones

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

JST vs UTC Time Zone Details

Technical Information & Comparison

Detailed timezone specifications and regional data

🇯🇵

Japan Standard Time

Source timezone

UTC Offset 9.0h

Code JST

Region Global

Status ✓ Active

🌍

Coordinated Universal Time

Target timezone

UTC Offset 0.0h

Code UTC

Region Global

Status ✓ Active

Frequently Asked Questions

What is the time difference between JST and UTC?

Japan Standard Time (JST) is 9 hours ahead of Coordinated Universal Time (UTC). This means that when it is noon in UTC, it is 9:00 PM in JST.

How do I convert JST to UTC manually?

To convert JST to UTC manually, subtract 9 hours from the JST time. For example, if it is 3:00 PM JST, you would subtract 9 hours to convert it to 6:00 AM UTC.

Are there online tools available for converting JST to UTC?

Yes, several online tools can help you easily convert JST to UTC. Websites like iformat.io provide user-friendly interfaces where you can instantly input your JST time and receive the corresponding UTC.

What is the best time to schedule a call between JST and UTC?

The best time for a conference call between JST and UTC is typically between 8:00 AM and 10:00 AM UTC, corresponding to 5:00 PM to 7:00 PM JST. This timeframe accommodates regular working hours for both regions.

How does daylight saving time affect the conversion from JST to UTC?

Japan does not observe daylight saving time, so the conversion from JST to UTC remains consistent throughout the year. You will always subtract 9 hours from JST to get UTC.

Are there specific tools on iformat.io that make converting JST to UTC easier?

Yes, iformat.io offers tools for easy time zone conversions, including options specifically for converting between JST and UTC. These tools streamline the process and help avoid confusion when scheduling across different time zones.