Quarter to Twelve

Time in AWST and IDLW

The time difference between Australian Western Standard Time (AWST) and International Date Line West Time (IDLW) is 20 hours. International Date Line West Time is 20 hours behind Australian Western Standard Time.

This means 9am AWST is 1pm IDLW (previous day) and 5pm AWST is 9pm IDLW (previous day).

Australian Western Standard Time

  • The current local time in AWST is 4:29 pm (September 2, 2026)
  • AWST time zone offset is UTC+08:00

International Date Line West Time

  • The current local time in IDLW is 8:29 pm (September 2, 2026)
  • IDLW time zone offset is UTC-12:00

How to convert Australian Western Standard Time to International Date Line West Time?

Subtract 20 hours from Australian Western Standard Time to get International Date Line West Time.

Time in AWST

00:00

Time in IDLW

00:00

Use the slider above to convert Australian Western 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 colors Day
Civil twilight colors Civil twilight
Nautical twilight colors Nautical twilight
Astronomical twilight colors Astronomical twilight
Night colors Night

Time Conversion Chart

AWSTIDLW
12am4am
1am5am
2am6am
3am7am
4am8am
5am9am
6am10am
7am11am
8am12pm
9am1pm
10am2pm
11am3pm
12pm4pm
1pm5pm
2pm6pm
3pm7pm
4pm8pm
5pm9pm
6pm10pm
7pm11pm
8pm12am
9pm1am
10pm2am
11pm3am