California Is 16 Hours Behind Japan

Japan Standard Time (JST) is UTC+9. California alternates between:

• Pacific Daylight Time (PDT, UTC−7) – mid-March to early November → 16-hour gap.
• Pacific Standard Time (PST, UTC−8) – early November to mid-March → 17-hour gap.

Example: Noon in Tokyo = 8 PM previous day (PDT) or 7 PM previous day (PST) in California.