TinyPress Lab

AST to JST Converter

Convert between Atlantic Standard Time (AST) and Japan Standard Time (JST). Click either time field to change the time.

AST and JST time converter

AST uses UTC-04:00. JST uses UTC+09:00.

Daylight saving note: this abbreviation page uses the offset for the abbreviation in the URL. Standard and daylight variants are separate pages, such as PST/PDT or EST/EDT. City-level pages need IANA time zones such as America/Los_Angeles to switch automatically.

AST to JST chart

AST time JST time

Convert other time zones to JST

These converters use JST as the target time zone.