JST to AKST Converter

Converting Japan Standard Time to Alaska Standard Time

Japan Standard Time (JST) and Alaska Standard Time (AKST) are separated by a 18 hours time difference. AKST is 18 hours behind JST. JST is UTC+9, used in Japan, while AKST is UTC-9, used in United States.

When converting from JST to AKST, the key reference points to remember are: 9:00 AM JST equals 3:00 PM AKST, 12:00 PM noon JST equals 6:00 PM AKST, and 5:00 PM JST equals 11:00 PM AKST. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across JST and AKST

For professionals scheduling meetings between JST and AKST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 18 hours difference, the window of overlap may be limited, making early morning or late evening calls necessary for one party. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

JST does not observe Daylight Saving Time, maintaining UTC+9 year-round. AKST observes DST, switching to AKDT (UTC-8). During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.