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.

Convert JST to UTC Time - Tokyo to Global Converter

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. Perfect for international business coordination, global team management, and cross-border communication. No registration required - works instantly on all devices with offline capability.

🌍

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 Zone Difference

Coordinated Universal Time is 9 hours behind Japan Standard Time

Always up-to-date and accurate

24-Hour JST to UTC Conversion Chart

Complete hourly conversion for Japan Standard Time to Coordinated Universal Time

Japan Standard Time	Coordinated Universal Time	24-Hour JST	24-Hour UTC
12:00 AM	3:00 PM (previous day)	00:00	15:00
1:00 AM	4:00 PM (previous day)	01:00	16:00
2:00 AM	5:00 PM (previous day)	02:00	17:00
3:00 AM	6:00 PM (previous day)	03:00	18:00
4:00 AM	7:00 PM (previous day)	04:00	19:00
5:00 AM	8:00 PM (previous day)	05:00	20:00
6:00 AM	9:00 PM (previous day)	06:00	21:00
7:00 AM	10:00 PM (previous day)	07:00	22:00
8:00 AM	11:00 PM (previous day)	08:00	23:00
9:00 AM	12:00 AM	09:00	00:00
10:00 AM	1:00 AM	10:00	01:00
11:00 AM	2:00 AM	11:00	02:00
12:00 PM	3:00 AM	12:00	03:00
1:00 PM	4:00 AM	13:00	04:00
2:00 PM	5:00 AM	14:00	05:00
3:00 PM	6:00 AM	15:00	06:00
4:00 PM	7:00 AM	16:00	07:00
5:00 PM	8:00 AM	17:00	08:00
6:00 PM	9:00 AM	18:00	09:00
7:00 PM	10:00 AM	19:00	10:00
8:00 PM	11:00 AM	20:00	11:00
9:00 PM	12:00 PM	21:00	12:00
10:00 PM	1:00 PM	22:00	13:00
11:00 PM	2:00 PM	23:00	14:00

12:00 AM

JST

3:00 PM

UTC

(previous day)

00:00 15:00

1:00 AM

JST

4:00 PM

UTC

(previous day)

01:00 16:00

2:00 AM

JST

5:00 PM

UTC

(previous day)

02:00 17:00

3:00 AM

JST

6:00 PM

UTC

(previous day)

03:00 18:00

4:00 AM

JST

7:00 PM

UTC

(previous day)

04:00 19:00

5:00 AM

JST

8:00 PM

UTC

(previous day)

05:00 20:00

6:00 AM

JST

9:00 PM

UTC

(previous day)

06:00 21:00

7:00 AM

JST

10:00 PM

UTC

(previous day)

07:00 22:00

8:00 AM

JST

11:00 PM

UTC

(previous day)

08:00 23:00

9:00 AM

JST

12:00 AM

UTC

09:00 00:00

10:00 AM

JST

1:00 AM

UTC

10:00 01:00

11:00 AM

JST

2:00 AM

UTC

11:00 02:00

12:00 PM

JST

3:00 AM

UTC

12:00 03:00

1:00 PM

JST

4:00 AM

UTC

13:00 04:00

2:00 PM

JST

5:00 AM

UTC

14:00 05:00

3:00 PM

JST

6:00 AM

UTC

15:00 06:00

4:00 PM

JST

7:00 AM

UTC

16:00 07:00

5:00 PM

JST

8:00 AM

UTC

17:00 08:00

6:00 PM

JST

9:00 AM

UTC

18:00 09:00

7:00 PM

JST

10:00 AM

UTC

19:00 10:00

8:00 PM

JST

11:00 AM

UTC

20:00 11:00

9:00 PM

JST

12:00 PM

UTC

21:00 12:00

10:00 PM

JST

1:00 PM

UTC

22:00 13:00

11:00 PM

JST

2:00 PM

UTC

23:00 14:00

Best Meeting Times between Japan Standard Time and Coordinated Universal Time

Optimal hours for calls between JST and UTC

Business hours overlap available

6:00 PM JST → 9:00 AM UTC

Business Hours

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

Time Zone Details

Technical information for both time zones

JST

Japan Standard Time

Source timezone

UTC Offset 9.0 hours

Abbreviation JST

Type Standard Time

Status Active

UTC

Coordinated Universal Time

Target timezone

UTC Offset 0.0 hours

Abbreviation UTC

Type Standard Time

Status Active

Most Searched JST to UTC Times

Popular business hours conversion from Japan Standard Time to Coordinated Universal Time

7:00 AM

10:00 PM (previous day)

Early business hours

Popular

8:00 AM

11:00 PM (previous day)

Prime meeting time

9:00 AM

12:00 AM

Mid-morning calls

11:00 AM

2:00 AM

Lunch meetings

12:00 PM

3:00 AM

Afternoon coordination

1:00 PM

4:00 AM

Late afternoon calls

Frequently Asked Questions

Quick answers to common questions

Convert JST to UTC Time - Tokyo to Global Converter

JST to UTC Time Zone Difference

24-Hour JST to UTC Conversion Chart

Best Meeting Times between Japan Standard Time and Coordinated Universal Time

Time Zone Details

Japan Standard Time

Coordinated Universal Time

Most Searched JST to UTC Times

Convert EST to other time zones

Popular Most Common Conversions

All Timezones

Frequently Asked Questions

What is the time difference between JST and UTC?

How do I convert JST to UTC manually?

Are there online tools available for converting JST to UTC?

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

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

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