Time in IDLW and WEST
The time difference between International Date Line West Time (IDLW) and Western European Summer Time (WEST) is 13 hours. Western European Summer Time is 13 hours ahead of International Date Line West Time.
This means 9am IDLW is 10pm WEST and 5pm IDLW is 6am WEST (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 European Summer Time
- The current local time in WEST is 1:37 pm (July 18, 2026)
- WEST time zone offset is UTC+01:00
How to convert International Date Line West Time to Western European Summer Time?
Add 13 hours to International Date Line West Time to get Western European Summer Time.
Time in IDLW
00:00
Time in WEST
00:00
Use the slider above to convert International Date Line West Time to Western European Summer 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 | WEST |
|---|---|
| 12am | 1pm |
| 1am | 2pm |
| 2am | 3pm |
| 3am | 4pm |
| 4am | 5pm |
| 5am | 6pm |
| 6am | 7pm |
| 7am | 8pm |
| 8am | 9pm |
| 9am | 10pm |
| 10am | 11pm |
| 11am | 12am |
| 12pm | 1am |
| 1pm | 2am |
| 2pm | 3am |
| 3pm | 4am |
| 4pm | 5am |
| 5pm | 6am |
| 6pm | 7am |
| 7pm | 8am |
| 8pm | 9am |
| 9pm | 10am |
| 10pm | 11am |
| 11pm | 12pm |