SST to JST time converter

JST is 20 hours ahead of SST. When it is 9:00 AM in SST, it is 5:00 AM (Sat, Oct 17) in JST.

SST UTC-11

Friday, October 16, 2026

JST UTC+9

Saturday, October 17, 2026

SST
Samoa Standard Time
Fri, Oct 16
UTC-11
JST
Japan Standard Time
Sat, Oct 17
UTC+9+20h
Finding your time zone…
Shared working hours (9:00–18:00)

SST to JST conversion table

Every hour of today in SST and the matching time in JST. Light rows are typical working hours (9:00–18:00).

SSTJST
12:00 AM8:00 PM
1:00 AM9:00 PM
2:00 AM10:00 PM
3:00 AM11:00 PM
4:00 AM12:00 AM+1 day
5:00 AM1:00 AM+1 day
6:00 AM2:00 AM+1 day
7:00 AM3:00 AM+1 day
8:00 AM4:00 AM+1 day
9:00 AM5:00 AM+1 day
10:00 AM6:00 AM+1 day
11:00 AM7:00 AM+1 day
12:00 PM8:00 AM+1 day
1:00 PM9:00 AM+1 day
2:00 PM10:00 AM+1 day
3:00 PM11:00 AM+1 day
4:00 PM12:00 PM+1 day
5:00 PM1:00 PM+1 day
6:00 PM2:00 PM+1 day
7:00 PM3:00 PM+1 day
8:00 PM4:00 PM+1 day
9:00 PM5:00 PM+1 day
10:00 PM6:00 PM+1 day
11:00 PM7:00 PM+1 day

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in SST (9:00 AM – 2:00 PM in JST).

Daylight saving time and the difference

The difference stays 20 hours all year.

More conversions

JST to SSTSST to UTCSST to GMTSST to ESTSST to CSTSST to MSTSST to PSTSST to CETSST to MSKSST to GSTSST to PKTSST to ISTSST to SGT
UTC to JSTGMT to JSTEST to JSTCST to JSTMST to JSTPST to JSTCET to JSTMSK to JSTGST to JSTPKT to JSTIST to JSTSGT to JST

Questions and answers

What is the time difference between SST and JST?

JST is 20 hours ahead of SST.

What time is it in JST when it is 9 AM in SST?

When it is 9:00 AM in SST, it is 5:00 AM (Sat, Oct 17) in JST.

When is the best time to call JST from SST?

Both sides are at work from 1:00 PM – 6:00 PM in SST (9:00 AM – 2:00 PM in JST).

Does the time difference between SST and JST change?

No. The difference stays 20 hours all year.