Time in IDLW and WST
The time difference between International Date Line West Time (IDLW) and Western Standard Time (WST) is 20 hours. Western Standard Time is 20 hours ahead of International Date Line West Time.
This means 9am IDLW is 5am WST (next day) and 5pm IDLW is 1pm WST (next day).
International Date Line West Time
- The current local time in IDLW is 12:37 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
Western Standard Time
- The current local time in WST is 8:37 pm (July 18, 2026)
- WST time zone offset is UTC+08:00
How to convert International Date Line West Time to Western Standard Time?
Add 20 hours to International Date Line West Time to get Western Standard Time.
Time in IDLW
00:00
Time in WST
00:00
Use the slider above to convert International Date Line West Time to Western Standard 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
| IDLW | WST |
|---|---|
| 12am | 8pm |
| 1am | 9pm |
| 2am | 10pm |
| 3am | 11pm |
| 4am | 12am |
| 5am | 1am |
| 6am | 2am |
| 7am | 3am |
| 8am | 4am |
| 9am | 5am |
| 10am | 6am |
| 11am | 7am |
| 12pm | 8am |
| 1pm | 9am |
| 2pm | 10am |
| 3pm | 11am |
| 4pm | 12pm |
| 5pm | 1pm |
| 6pm | 2pm |
| 7pm | 3pm |
| 8pm | 4pm |
| 9pm | 5pm |
| 10pm | 6pm |
| 11pm | 7pm |