Offset
The time difference between Singapore Time and Japan Standard Time is 1 hour.
Singapore Time (SGT) is behind Japan Standard Time (JST).
SGT: UTC+8
JST: UTC+9
Neither Singapore Time nor Japan Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Singapore Time (10 AM–5 PM in Japan Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Singapore Time (1:00 PM Japan Standard Time).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Singapore
- New Year's DayThu, Jan 1
- Chinese New YearTue, Feb 17
- Chinese New YearWed, Feb 18
- Hari Raya PuasaFri, Mar 20
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Hari Raya Haji (Tentative Date)Wed, May 27
- National DayMon, Aug 10
- DeepavaliMon, Nov 9
- Christmas DayFri, Dec 25
Japan
- New Year's DayThu, Jan 1
- Coming of Age DayMon, Jan 12
- Foundation DayWed, Feb 11
- The Emperor's BirthdayMon, Feb 23
- Vernal Equinox DayFri, Mar 20
- Shōwa DayWed, Apr 29
- Constitution Memorial DayWed, May 6
- Greenery DayMon, May 4
- Children's DayTue, May 5
- Marine DayMon, Jul 20
- Mountain DayTue, Aug 11
- Respect for the Aged DayMon, Sep 21
- Autumnal Equinox DayWed, Sep 23
- Sports DayMon, Oct 12
- Culture DayTue, Nov 3
- Labour Thanksgiving DayMon, Nov 23
About these zones
Singapore Time is also known as SGT. To call Singapore, dial +65.
Japan Standard Time is also known as JST. To call Japan, dial +81.
Japan Standard Time is approximately 3,300 miles northeast of Singapore Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| SGT | JST | Day |
|---|---|---|
| 12:00 am | 1:00 am | Same day |
| 1:00 am | 2:00 am | Same day |
| 2:00 am | 3:00 am | Same day |
| 3:00 am | 4:00 am | Same day |
| 4:00 am | 5:00 am | Same day |
| 5:00 am | 6:00 am | Same day |
| 6:00 am | 7:00 am | Same day |
| 7:00 am | 8:00 am | Same day |
| 8:00 am | 9:00 am | Same day |
| 9:00 am | 10:00 am | Same day |
| 10:00 am | 11:00 am | Same day |
| 11:00 am | 12:00 pm | Same day |
| 12:00 pm | 1:00 pm | Same day |
| 1:00 pm | 2:00 pm | Same day |
| 2:00 pm | 3:00 pm | Same day |
| 3:00 pm | 4:00 pm | Same day |
| 4:00 pm | 5:00 pm | Same day |
| 5:00 pm | 6:00 pm | Same day |
| 6:00 pm | 7:00 pm | Same day |
| 7:00 pm | 8:00 pm | Same day |
| 8:00 pm | 9:00 pm | Same day |
| 9:00 pm | 10:00 pm | Same day |
| 10:00 pm | 11:00 pm | Same day |
| 11:00 pm | 12:00 am | +1 day |
Daylight saving time
Neither Singapore Time nor Japan Standard Time observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:58 AM
- Sunset
- 7:10 PM
- Day length
- 12h 12m
- Sunrise
- 4:27 AM
- Sunset
- 6:55 PM
- Day length
- 14h 28m
Daylight overlap: 10h 56m — 6:58 AM–5:55 PM in Singapore Time (7:58 AM–6:55 PM in Japan Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Singapore Time
Cities in Japan Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Singapore Time
- SIN
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Related conversions
Common conversions
- What is 9:00 am SGT in JST?
- 9:00 am SGT is 10:00 am JST.
- What is 12:00 pm SGT in JST?
- 12:00 pm SGT is 1:00 pm JST.
- What is 12:30 pm SGT in JST?
- 12:30 pm SGT is 1:30 pm JST.
- What is 2:00 pm SGT in JST?
- 2:00 pm SGT is 3:00 pm JST.
- What is 5:00 pm SGT in JST?
- 5:00 pm SGT is 6:00 pm JST.
- What is 11:30 pm SGT in JST?
- 11:30 pm SGT is 12:30 am JST, the next day.