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Time Zone Converter

JST to GMT-03:00Time Converter

Convert Japan Standard Time to GMT-03:00 Fixed Offset, compare their live UTC offsets and explore a complete 24-hour conversion table.

Live clocksDST aware24-hour table

Live comparison

Current local times

From

JST

Japan Standard Time

To

GMT-03:00

GMT-03:00 Fixed Offset

Enter a local date and time using JST.

JST

3:59 PM

Sunday, November 1, 2026

UTC+09:00Fixed offset
GMT-03:00

3:59 AM

Sunday, November 1, 2026

UTC-03:00Fixed offset

Time difference

GMT-03:00 is 12 hours behind JST

Hourly comparison

24-hour conversion table

Compare each hour in JST with GMT-03:00.

24 hours
HourJSTGMT-03:00Difference
0

3:59 PM

Sunday, November 1, 2026

3:59 AM

Sunday, November 1, 2026

-12h
1

4:59 PM

Sunday, November 1, 2026

4:59 AM

Sunday, November 1, 2026

-12h
2

5:59 PM

Sunday, November 1, 2026

5:59 AM

Sunday, November 1, 2026

-12h
3

6:59 PM

Sunday, November 1, 2026

6:59 AM

Sunday, November 1, 2026

-12h
4

7:59 PM

Sunday, November 1, 2026

7:59 AM

Sunday, November 1, 2026

-12h
5

8:59 PM

Sunday, November 1, 2026

8:59 AM

Sunday, November 1, 2026

-12h
6

9:59 PM

Sunday, November 1, 2026

9:59 AM

Sunday, November 1, 2026

-12h
7

10:59 PM

Sunday, November 1, 2026

10:59 AM

Sunday, November 1, 2026

-12h
8

11:59 PM

Sunday, November 1, 2026

11:59 AM

Sunday, November 1, 2026

-12h
9

12:59 AM

Monday, November 2, 2026

12:59 PM

Sunday, November 1, 2026

-12h
10

1:59 AM

Monday, November 2, 2026

1:59 PM

Sunday, November 1, 2026

-12h
11

2:59 AM

Monday, November 2, 2026

2:59 PM

Sunday, November 1, 2026

-12h
12

3:59 AM

Monday, November 2, 2026

3:59 PM

Sunday, November 1, 2026

-12h
13

4:59 AM

Monday, November 2, 2026

4:59 PM

Sunday, November 1, 2026

-12h
14

5:59 AM

Monday, November 2, 2026

5:59 PM

Sunday, November 1, 2026

-12h
15

6:59 AM

Monday, November 2, 2026

6:59 PM

Sunday, November 1, 2026

-12h
16

7:59 AM

Monday, November 2, 2026

7:59 PM

Sunday, November 1, 2026

-12h
17

8:59 AM

Monday, November 2, 2026

8:59 PM

Sunday, November 1, 2026

-12h
18

9:59 AM

Monday, November 2, 2026

9:59 PM

Sunday, November 1, 2026

-12h
19

10:59 AM

Monday, November 2, 2026

10:59 PM

Sunday, November 1, 2026

-12h
20

11:59 AM

Monday, November 2, 2026

11:59 PM

Sunday, November 1, 2026

-12h
21

12:59 PM

Monday, November 2, 2026

12:59 AM

Monday, November 2, 2026

-12h
22

1:59 PM

Monday, November 2, 2026

1:59 AM

Monday, November 2, 2026

-12h
23

2:59 PM

Monday, November 2, 2026

2:59 AM

Monday, November 2, 2026

-12h
Source time zone

About JST

The standard time used throughout Japan.

Full name
Japan Standard Time
Type
Fixed UTC offset
Regions
Japan
View JST details
Target time zone

About GMT-03:00

GMT-03:00 is a fixed time offset based on Greenwich Mean Time. It remains 180 minutes behind GMT and does not change automatically for daylight saving time.

Full name
GMT-03:00 Fixed Offset
Type
Fixed UTC offset
Regions
Worldwide
View GMT-03:00 details

Reverse this conversion

Convert GMT-03:00 back to JST.

GMT-03:00 to JST
FAQ

JST to GMT-03:00 time FAQ

Common questions about converting Japan Standard Time to GMT-03:00 Fixed Offset, their UTC offsets and daylight-saving behavior.

What is the time difference between JST and GMT-03:00?

GMT-03:00 is 12 hours behind JST on this date.

What time is 9:00 AM JST in GMT-03:00?

When it is 9:00 AM in JST, it is 9:00 PM in GMT-03:00 on Saturday, October 31, 2026.

Is GMT-03:00 ahead of JST?

No. GMT-03:00 is currently 12 hours behind JST.

Do JST and GMT-03:00 use daylight saving time?

JST is defined as a fixed UTC offset. Its offset does not change automatically according to the selected date. GMT-03:00 is defined as a fixed UTC offset. Its offset does not change automatically according to the selected date.

Where are JST and GMT-03:00 used?

JST is associated with Japan. GMT-03:00 is associated with Worldwide. Time-zone abbreviations can be ambiguous, so TimeInOne uses the specific definitions shown on this page.