Time in SGT and IDLW
The time difference between Singapore Time (SGT) and International Date Line West Time (IDLW) is 20 hours. International Date Line West Time is 20 hours behind Singapore Time.
This means 9am SGT is 1pm IDLW (previous day) and 5pm SGT is 9pm IDLW (previous day).
Singapore Time
- The current local time in SGT is 3:45 pm (September 2, 2026)
- SGT time zone offset is UTC+08:00
International Date Line West Time
- The current local time in IDLW is 7:45 pm (September 2, 2026)
- IDLW time zone offset is UTC-12:00
How to convert Singapore Time to International Date Line West Time?
Subtract 20 hours from Singapore Time to get International Date Line West Time.
Time in SGT
00:00
Time in IDLW
00:00
Use the slider above to convert Singapore Time to International Date Line West Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| SGT | IDLW |
|---|---|
| 12am | 4am |
| 1am | 5am |
| 2am | 6am |
| 3am | 7am |
| 4am | 8am |
| 5am | 9am |
| 6am | 10am |
| 7am | 11am |
| 8am | 12pm |
| 9am | 1pm |
| 10am | 2pm |
| 11am | 3pm |
| 12pm | 4pm |
| 1pm | 5pm |
| 2pm | 6pm |
| 3pm | 7pm |
| 4pm | 8pm |
| 5pm | 9pm |
| 6pm | 10pm |
| 7pm | 11pm |
| 8pm | 12am |
| 9pm | 1am |
| 10pm | 2am |
| 11pm | 3am |