JST to SGT converter
Japan Standard Time (JST) is typically 1 hours ahead of Singapore Time (SGT).
Japan Standard Time → Singapore Time, hour by hour below.
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Japan Standard Time (JST) is UTC+9 with no daylight saving. It covers Tokyo, Osaka and Sapporo (Seoul shares the same clock).
Singapore Time (SGT) is UTC+8 with no daylight saving. It covers Singapore (Hong Kong and Perth share the same clock).
Singapore Time is typically 1 hours behind Japan Standard Time, all year round; neither zone observes daylight saving.
Time difference between Japan Standard Time and Singapore Time
Singapore Time is typically 1 hours behind Japan Standard Time, all year round; neither zone observes daylight saving. Put the other way around: singapore Time (SGT) is typically 1 hours behind Japan Standard Time (JST). The table above shows the difference hour by hour using today's actual offsets.
Best time to call Singapore Time from Japan Standard Time
Office hours overlap for about 7 hours a day: 10:00 AM–5:00 PM in Japan Standard Time is 9:00 AM–4:00 PM in Singapore Time. Book calls inside this window and nobody is out of hours.
JST to SGT, hour by hour
Today's actual offsets. Rows where both zones are inside 9am–5pm working hours are highlighted.