Time in BST and IDLW
The time difference between Bangladesh Standard Time (BST) and International Date Line West Time (IDLW) is 18 hours. International Date Line West Time is 18 hours behind Bangladesh Standard Time.
This means 9am BST is 3pm IDLW (previous day) and 5pm BST is 11pm IDLW (previous day).
Bangladesh Standard Time
- The current local time in BST is 11:29 pm (July 18, 2026)
- BST time zone offset is UTC+06:00
International Date Line West Time
- The current local time in IDLW is 5:29 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
How to convert Bangladesh Standard Time to International Date Line West Time?
Subtract 18 hours from Bangladesh Standard Time to get International Date Line West Time.
Time in BST
00:00
Time in IDLW
00:00
Use the slider above to convert Bangladesh 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
| BST | IDLW |
|---|---|
| 12am | 6am |
| 1am | 7am |
| 2am | 8am |
| 3am | 9am |
| 4am | 10am |
| 5am | 11am |
| 6am | 12pm |
| 7am | 1pm |
| 8am | 2pm |
| 9am | 3pm |
| 10am | 4pm |
| 11am | 5pm |
| 12pm | 6pm |
| 1pm | 7pm |
| 2pm | 8pm |
| 3pm | 9pm |
| 4pm | 10pm |
| 5pm | 11pm |
| 6pm | 12am |
| 7pm | 1am |
| 8pm | 2am |
| 9pm | 3am |
| 10pm | 4am |
| 11pm | 5am |