Convert SGT to JST
Compare Singapore Time and Japan Standard Time with a live converter, hourly table, and tools to schedule meetings accurately.
How SGT Converts to JST
SGT is UTC+8 and JST is UTC+9, so Japan Standard Time is 1 hour ahead of Singapore Time. Enter any time in SGT to see the matching JST time instantly.
Hour-by-Hour Time Table
Use the visual grid and hour-by-hour table to compare SGT and JST across the day. Check overlapping business hours and export times with ICS download or Google Calendar.
Schedule Meetings with Confidence
Find the best meeting times between Singapore and Japan with automatic timezone adjustment and calendar-friendly sharing. Data is aligned with the IANA timezone database for accuracy.
How to Convert SGT to JST
Open the SGT to JST page: Go to https://www.xconvert.com/time-converter/sgt-to-jst-converter to load a visual comparison grid with Singapore Time and Japan Standard Time aligned on a 24-hour timeline. This is useful when you are scheduling a supplier call between Singapore and Tokyo, planning a regional sales meeting, or coordinating support coverage across Southeast Asia and Japan.
Add comparison cities if your workflow involves more than two markets: Click + Add City and search for cities that commonly interact with Singapore and Japan, such as Tokyo for headquarters coordination, or other team locations you need on the same grid for finance, logistics, gaming, manufacturing, or regional operations. Seeing multiple rows at once helps teams compare Singapore business hours against Japan business hours without manually converting every meeting slot.
Select a time range on the grid: Click Select, then drag across the colored timeline on the Singapore row to highlight the meeting window in purple; you can resize it with the left and right handles or move the whole block by dragging the center. For example, if you drag 9:00 SGT to 12:00 SGT, the Japan row shows 10:00 JST to 13:00 JST, and if you drag 15:00 SGT to 18:00 SGT, it maps to 16:00 JST to 19:00 JST, which is helpful for confirming whether an afternoon Singapore meeting still fits into the Japanese workday.
Export and share the selected time: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is especially practical for sending a confirmed cross-border meeting to procurement teams, regional managers, or client-facing staff so everyone receives the same appointment in their local calendar without rechecking the one-hour difference.
Understanding the SGT to JST Time Difference
Singapore Time is UTC+8, while Japan Standard Time is UTC+9, so JST is 1 hour ahead of SGT. In practical terms, when it is 9:00 SGT, it is 10:00 JST, and when it is 12:00 SGT, it is 13:00 JST, making the conversion straightforward for same-day meetings, travel planning, and internal regional coordination.
The one-hour gap stays stable throughout the year because SGT does not observe DST and JST does not observe DST. That means the difference does not change in any month, so there is no seasonal period when you need to adjust recurring calendars, shift handoff schedules, or customer support rosters between Singapore and Japan.
A few common reference points make the relationship easy to remember: 15:00 SGT = 16:00 JST and 18:00 SGT = 19:00 JST. Because the offset is fixed and both time zones stay on standard time year-round, teams in Singapore and Japan can set recurring meetings with minimal risk of seasonal confusion.
Best Times for Calls and Meetings Between SGT and JST
Because JST is 1 hour ahead of SGT, most daytime business communication between Singapore and Japan is easy to arrange on the same calendar day. The small gap is especially convenient for industries with frequent regional coordination, including electronics, shipping, finance, consulting, gaming, and manufacturing, where teams often need quick approvals rather than overnight handoffs.
A practical morning-to-midday window is visible from the examples: 9:00 SGT = 10:00 JST and 12:00 SGT = 13:00 JST. That makes late morning in Singapore a strong option for project check-ins, distributor calls, and operational reviews, since both sides are already in standard working hours.
Afternoon meetings also remain workable: 15:00 SGT = 16:00 JST and 18:00 SGT = 19:00 JST. This means a Singapore afternoon discussion becomes a late afternoon or early evening session in Japan, which can work well for end-of-day status reviews, regional leadership updates, or urgent coordination that needs same-day action.
For recurring meetings, the simplest approach is to anchor the event in one market and remember the fixed one-hour shift. A team that prefers a 9:00 SGT start can consistently tell Japan participants to join at 10:00 JST, while a 15:00 SGT operations review always lands at 16:00 JST, avoiding the confusion that often happens in regions where daylight saving changes the offset.
Frequently Asked Questions
What is the time difference between SGT and JST?
The time difference between Singapore Time and Japan Standard Time is 1 hour, with JST ahead of SGT. Singapore Time is UTC+8 and Japan Standard Time is UTC+9, so every meeting or deadline in Japan occurs one hour later on the clock than in Singapore.
When is 9 AM SGT in JST?
9:00 SGT = 10:00 JST. This is a useful reference for teams scheduling morning calls, because a standard Singapore morning start shifts neatly into a slightly later morning slot in Japan.
When is 12 PM SGT in JST?
12:00 SGT = 13:00 JST. For lunch-hour planning and midday meetings, this means a noon event in Singapore appears as a 1 PM meeting in Japan, which is often still practical for sales, operations, and management discussions.
Does the difference between SGT and JST change during DST?
No, the difference does not change during DST because SGT does not observe DST and JST does not observe DST. The offset remains 1 hour all year, so recurring meetings do not need seasonal adjustment in spring, summer, autumn, or winter.
What are the best meeting times between SGT and JST?
The best meeting times are usually standard daytime hours because the two zones are only 1 hour apart. Based on the common conversion points, 9:00 SGT to 12:00 SGT becomes 10:00 JST to 13:00 JST, and 15:00 SGT to 18:00 SGT becomes 16:00 JST to 19:00 JST, giving both sides several practical windows for same-day collaboration.
Is Japan ahead of Singapore or behind?
Japan is ahead of Singapore by 1 hour. If a team in Singapore starts a call at 15:00 SGT, colleagues in Japan join at 16:00 JST, which makes Japan slightly later but still closely aligned for regional business.
Is SGT to JST conversion easy for recurring meetings?
Yes, SGT to JST conversion is relatively simple because the offset is fixed at 1 hour and neither time zone uses daylight saving time. Once a team remembers examples like 18:00 SGT = 19:00 JST, it becomes easy to schedule weekly check-ins, vendor calls, and cross-border project updates without reworking the calendar each season.