Time in IDLW and IST
The time difference between International Date Line West Time (IDLW) and Irish Standard Time (IST) is 13 hours. Irish Standard Time is 13 hours ahead of International Date Line West Time.
This means 9am IDLW is 10pm IST and 5pm IDLW is 6am IST (next day).
International Date Line West Time
- The current local time in IDLW is 12:38 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
Irish Standard Time
- The current local time in IST is 1:38 pm (July 18, 2026)
- IST time zone offset is UTC+01:00
How to convert International Date Line West Time to Irish Standard Time?
Add 13 hours to International Date Line West Time to get Irish Standard Time.
Time in IDLW
00:00
Time in IST
00:00
Use the slider above to convert International Date Line West Time to Irish 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 | IST |
|---|---|
| 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 |