Time zone converter

JST to SGT

Singapore Time (SGT) is 1 hour behind Japan Standard Time (JST) all year: 9:00 AM JST is 8:00 AM SGT.

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

SGT vs JST over the next 12 months

PeriodSGT isExample
Oct 23, 2026 onwards1 hour behind9:00 AM JST = 8:00 AM SGT

JST to SGT conversion table

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

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

Best time for a meeting

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

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

Daylight saving time

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

Where these clocks are used

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

Questions

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

On Oct 23, 2026, 9:00 AM JST is 8:00 AM SGT.

How many hours behind JST is SGT?

SGT is always 1 hour behind JST.

Do JST and SGT observe daylight saving time?

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

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

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

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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.