Time zone converter

SGT to JST

Japan Standard Time (JST) is 1 hour ahead of Singapore Time (SGT) all year: 9:00 AM SGT is 10:00 AM JST.

Singapore Time
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Current time in Singapore Time
Japan Standard Time
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Current time in Japan Standard Time
Pick a date and time to convert.

JST vs SGT over the next 12 months

PeriodJST isExample
Oct 23, 2026 onwards1 hour ahead9:00 AM SGT = 10:00 AM JST

SGT to JST conversion table

Every hour of a weekday around Oct 23, 2026, in both zones.

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

Best time for a meeting

Normal 9-to-5 working hours overlap for 7 hours on a weekday: 9:00 AM–4:00 PM SGT, which is 10:00 AM–5:00 PM JST.

Comparing more than two places? The meeting planner lines up working hours for up to six cities.

Daylight saving time

Neither SGT nor JST changes its clocks, so the difference is the same all year.

Where these clocks are used

  • Singapore Time (SGT): Singapore; Malaysia, the Philippines and western Australia share the offset. IANA zone Asia/Singapore.
  • Japan Standard Time (JST): all of Japan. IANA zone Asia/Tokyo.

Questions

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

On Oct 23, 2026, 9:00 AM SGT is 10:00 AM JST.

How many hours ahead of SGT is JST?

JST is always 1 hour ahead of SGT.

Do SGT and JST observe daylight saving time?

Singapore Time stays on UTC+8 all year. Japan Standard Time stays on UTC+9 all year.

What is the best time for a meeting between SGT and JST?

Normal 9-to-5 working hours overlap for 7 hours on a weekday: 9:00 AM–4:00 PM SGT, which is 10:00 AM–5:00 PM JST.

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Related conversions

Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.