Time in IDLW and CHAST
The time difference between International Date Line West Time (IDLW) and Chatham Standard Time (CHAST) is 24 hours 45 minutes. Chatham Standard Time is 24 hours 45 minutes ahead of International Date Line West Time.
This means 9am IDLW is 9:45am CHAST (next day) and 5pm IDLW is 5:45pm CHAST (next day).
International Date Line West Time
- The current local time in IDLW is 12:36 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
Chatham Standard Time
- The current local time in CHAST is 1:21 am (July 19, 2026)
- CHAST time zone offset is UTC+12:45
How to convert International Date Line West Time to Chatham Standard Time?
Add 24 hours 45 minutes to International Date Line West Time to get Chatham Standard Time.
Time in IDLW
00:00
Time in CHAST
00:00
Use the slider above to convert International Date Line West Time to Chatham 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 | CHAST |
|---|---|
| 12am | 0:45am |
| 1am | 1:45am |
| 2am | 2:45am |
| 3am | 3:45am |
| 4am | 4:45am |
| 5am | 5:45am |
| 6am | 6:45am |
| 7am | 7:45am |
| 8am | 8:45am |
| 9am | 9:45am |
| 10am | 10:45am |
| 11am | 11:45am |
| 12pm | 12:45pm |
| 1pm | 1:45pm |
| 2pm | 2:45pm |
| 3pm | 3:45pm |
| 4pm | 4:45pm |
| 5pm | 5:45pm |
| 6pm | 6:45pm |
| 7pm | 7:45pm |
| 8pm | 8:45pm |
| 9pm | 9:45pm |
| 10pm | 10:45pm |
| 11pm | 11:45pm |