Quarter to Twelve

Time in JST and HDT

The time difference between Japan Standard Time (JST) and Hawaii–Aleutian Daylight Time (HDT) is 18 hours. Hawaii–Aleutian Daylight Time is 18 hours behind Japan Standard Time.

Japan Standard Time

  • The current local time in JST is 6:39 am (April 25, 2024)
  • JST time zone offset is UTC+09:00

Hawaii–Aleutian Daylight Time

  • The current local time in HDT is 12:39 pm (April 24, 2024)
  • HDT time zone offset is UTC-09:00

How to convert Japan Standard Time to Hawaii–Aleutian Daylight Time?

Subtract 18 hours from Japan Standard Time to get Hawaii–Aleutian Daylight Time.

Time in JST

00:00

Time in HDT

00:00

Use the slider above to convert Japan Standard Time to Hawaii–Aleutian Daylight 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

JSTHDT
12am6am
1am7am
2am8am
3am9am
4am10am
5am11am
6am12pm
7am1pm
8am2pm
9am3pm
10am4pm
11am5pm
12pm6pm
1pm7pm
2pm8pm
3pm9pm
4pm10pm
5pm11pm
6pm12am
7pm1am
8pm2am
9pm3am
10pm4am
11pm5am