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Convert JST to GST Time - Free Time Zone Converter

Convert Japan Standard Time (JST) to Gulf Standard Time (GST, UTC+4) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for JST to GST coordination. Includes 24-hour conversion table and live time displays. Perfect for international scheduling and global team collaboration. Works on all devices with accurate, reliable results.

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JST
Japan Standard Time
Current Time
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🕐
GST
Gulf Standard Time
Current Time
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Converted Time
Select a time to convert
Time Difference
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Your Local Time
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UTC Time
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JST to GST Time Zone Difference

Gulf Standard Time is 5 hours behind Japan Standard Time

Always up-to-date and accurate

24-Hour JST to GST Conversion Chart

Complete hourly conversion for Japan Standard Time to Gulf Standard Time

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

Best Meeting Times between Japan Standard Time and Gulf Standard Time

Optimal hours for calls between JST and GST

Business hours overlap available
2:00 PM JST → 9:00 AM GST
Business Hours
3:00 PM JST → 10:00 AM GST
Business Hours
4:00 PM JST → 11:00 AM GST
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
GST

Gulf Standard Time

Target timezone

UTC Offset 4.0 hours
Abbreviation GST
Type Standard Time
Status Active

Convert JST to GST Time - Free Time Zone Converter - FAQs

What is the time difference between JST and GST?

Japan Standard Time (JST) is 5 hours ahead of Gulf Standard Time (GST), meaning you need to subtract 5 hours to convert from JST to GST.

How can I quickly convert JST to GST?

For fast and accurate conversions between these time zones, you can use the JST to GST time converter available at iformat.io.

Does daylight saving time affect the conversion from JST to GST?

JST does not observe daylight saving time, so the 5-hour difference remains constant throughout the year.

Can I convert multiple times from JST to GST at once?

Yes, our online tool at iformat.io allows you to input multiple times for batch conversion from JST to GST easily.

How do I manually convert JST to GST?

To manually convert, take your JST time and subtract 5 hours to get the corresponding GST time.

Where can I find more information on the differences between JST and GST?

Detailed comparisons and explanations about JST and GST, including their respective offsets and usage, can be found on iformat.io.

What should I consider when scheduling meetings across JST and GST?

Be aware of the 5-hour difference; scheduling during business hours in both time zones can facilitate better communication and attendance.

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