Time in IST and IDLW
The time difference between Indian Standard Time (IST) and International Date Line West Time (IDLW) is 17 hours 30 minutes. International Date Line West Time is 17 hours 30 minutes behind Indian Standard Time.
This means 9am IST is 3:30pm IDLW (previous day) and 5pm IST is 11:30pm IDLW (previous day).
Indian Standard Time
- The current local time in IST is 7:05 pm (July 18, 2026)
- IST time zone offset is UTC+05:30
International Date Line West Time
- The current local time in IDLW is 1:35 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
How to convert Indian Standard Time to International Date Line West Time?
Subtract 17 hours 30 minutes from Indian Standard Time to get International Date Line West Time.
Time in IST
00:00
Time in IDLW
00:00
Use the slider above to convert Indian Standard 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
| IST | IDLW |
|---|---|
| 12am | 6:30am |
| 1am | 7:30am |
| 2am | 8:30am |
| 3am | 9:30am |
| 4am | 10:30am |
| 5am | 11:30am |
| 6am | 12:30pm |
| 7am | 1:30pm |
| 8am | 2:30pm |
| 9am | 3:30pm |
| 10am | 4:30pm |
| 11am | 5:30pm |
| 12pm | 6:30pm |
| 1pm | 7:30pm |
| 2pm | 8:30pm |
| 3pm | 9:30pm |
| 4pm | 10:30pm |
| 5pm | 11:30pm |
| 6pm | 0:30am |
| 7pm | 1:30am |
| 8pm | 2:30am |
| 9pm | 3:30am |
| 10pm | 4:30am |
| 11pm | 5:30am |