Question 1

What is the time difference between SAST and JST?

Accepted Answer

Japan Standard Time (JST) is 7 hours ahead of South Africa Standard Time (SAST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert SAST to JST?

Accepted Answer

To convert SAST to JST, add 7 hours to the SAST time. For example, 9:00 AM SAST is 4:00 PM JST.

Question 3

What time is it in JST when it's noon in SAST?

Accepted Answer

When it's 12:00 PM (noon) in SAST, it's 7:00 PM in JST. JST is 7 hours ahead of SAST.

Question 4

How many hours ahead is JST from SAST?

Accepted Answer

JST is 7 hours ahead of SAST. This means when it's 9:00 AM in SAST, it's 4:00 PM in JST.

Question 5

Is JST ahead or behind SAST?

Accepted Answer

JST is ahead of SAST by 7 hours. Clocks in JST show a later time than SAST.

Question 6

Does SAST observe daylight saving time?

Accepted Answer

No, South Africa Standard Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 7

Does JST observe daylight saving time?

Accepted Answer

No, Japan Standard Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 8

What is the best time to call from SAST to JST?

Accepted Answer

The best time for a call between SAST and JST is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

Do SAST and JST ever have the same time?

Accepted Answer

No, SAST and JST are always 7 hours apart. Neither timezone observes DST, so the difference is constant year-round.

South Africa Standard Time (SAST)	Period	Japan Standard Time (JST)	Period
12:00 AM	Night	7:00 AM	Morning
1:00 AM	Night	8:00 AM	Morning
2:00 AM	Night	9:00 AM	Business
3:00 AM	Night	10:00 AM	Business
4:00 AM	Night	11:00 AM	Business
5:00 AM	Night	12:00 PM	Business
6:00 AM	Morning	1:00 PM	Business
7:00 AM	Morning	2:00 PM	Business
8:00 AM	Morning	3:00 PM	Business
9:00 AM	Business	4:00 PM	Business
10:00 AM	Business	5:00 PM	Business
11:00 AM	Business	6:00 PM	Evening
12:00 PM	Business	7:00 PM	Evening
1:00 PM	Business	8:00 PM	Evening
2:00 PM	Business	9:00 PM	Evening
3:00 PM	Business	10:00 PM	Evening
4:00 PM	Business	11:00 PM	Evening
5:00 PM	Business	12:00 AM+1d	Night
6:00 PM	Evening	1:00 AM+1d	Night
7:00 PM	Evening	2:00 AM+1d	Night
8:00 PM	Evening	3:00 AM+1d	Night
9:00 PM	Evening	4:00 AM+1d	Night
10:00 PM	Evening	5:00 AM+1d	Night
11:00 PM	Evening	6:00 AM+1d	Morning

SAST to JST Converter

Timezone Details

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SAST to JST Conversion Table

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