Time in IDLW and SLST
The time difference between International Date Line West Time (IDLW) and Sri Lanka Standard Time (SLST) is 17 hours 30 minutes. Sri Lanka Standard Time is 17 hours 30 minutes ahead of International Date Line West Time.
This means 9am IDLW is 2:30am SLST (next day) and 5pm IDLW is 10:30am SLST (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
Sri Lanka Standard Time
- The current local time in SLST is 6:06 pm (July 18, 2026)
- SLST time zone offset is UTC+05:30
How to convert International Date Line West Time to Sri Lanka Standard Time?
Add 17 hours 30 minutes to International Date Line West Time to get Sri Lanka Standard Time.
Time in IDLW
00:00
Time in SLST
00:00
Use the slider above to convert International Date Line West Time to Sri Lanka 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 | SLST |
|---|---|
| 12am | 5:30pm |
| 1am | 6:30pm |
| 2am | 7:30pm |
| 3am | 8:30pm |
| 4am | 9:30pm |
| 5am | 10:30pm |
| 6am | 11:30pm |
| 7am | 0:30am |
| 8am | 1:30am |
| 9am | 2:30am |
| 10am | 3:30am |
| 11am | 4:30am |
| 12pm | 5:30am |
| 1pm | 6:30am |
| 2pm | 7:30am |
| 3pm | 8:30am |
| 4pm | 9:30am |
| 5pm | 10:30am |
| 6pm | 11:30am |
| 7pm | 12:30pm |
| 8pm | 1:30pm |
| 9pm | 2:30pm |
| 10pm | 3:30pm |
| 11pm | 4:30pm |