Does daylight saving time change the offset between Tokyo, Japan and San Francisco, USA?

Yes. Whenever either region begins or ends daylight saving time (if it observes DST), the difference between clocks can shift. This converter uses real-time timezone data so the offset stays accurate.

Is the Tokyo, Japan to San Francisco, USA converter free?

Yes. TeamTimezones is free to use with no signup required. Pick your zones, compare current times, and plan meetings across regions.

How accurate is the Tokyo, Japan to San Francisco, USA conversion?

The tool uses modern browser timezone rules (IANA) and matches what you see above for “right now”. Always double-check mission-critical schedules around DST transition nights.

Tokyo, Japan to San Francisco, USA Time Converter

San Francisco, USA is 16 hours behind Tokyo, Japan right now.

At 00:00 (midnight) Tokyo, Japan on 2026-05-22, it is 8:00 AM in San Francisco, USA on 2026-05-21.

When it is 12:00 PM in Tokyo, Japan, it is 8:00 PM in San Francisco, USA on that same date.

The exact difference can change when either place starts or ends daylight saving time.

Tokyo, Japan

4:33 PM

Friday, May 22

San Francisco, USA

12:33 AM

Friday, May 22

Quick reference (same moments)

Typical local hours in Tokyo, Japan and matching clock time in San Francisco, USA for 2026-05-22.

Tokyo, Japan	San Francisco, USA
9:00 AM	5:00 PM
12:00 PM	8:00 PM
3:00 PM	11:00 PM
6:00 PM	2:00 AM

Tokyo, Japan to San Francisco, USA Time Converter

Current Time Comparison

Tokyo, Japan

San Francisco, USA

Quick reference (same moments)