What time is 4 AM in Tokyo in Portland?
Instant time conversion · Japan to United States
When it's 4 AM in Tokyo (GMT+9)…
Tokyo to Portland — Time Conversion
When it is 4 AM in Tokyo (Japan Standard Time, GMT+9), it is 12 PM in Portland (Pacific Daylight Time, PDT).Portland is 16 hours behind Tokyo.
Use the table above to see the equivalent time in Portland and other major cities worldwide. Click any row to open the full hour page for that destination.
All Tokyo hours → Portland
Frequently Asked Questions
What time is 4 AM in Tokyo in Portland?
4 AM Tokyo time (GMT+9) equals 12 PM in Portland (PDT) — the previous day.
What is the time difference between Tokyo and Portland?
Portland is 16 hours behind Tokyo. Tokyo uses Japan Standard Time (GMT+9, UTC+9) and Portland uses Pacific Daylight Time (PDT, UTC-7).
Is 4 AM Tokyo a good time to call Portland?
Yes — 4 AM in Tokyo corresponds to 12 PM in Portland, which is within standard business hours (9 AM–5 PM). This is a good time for international calls.
How do I convert time from Tokyo to Portland?
To convert Tokyo time to Portland time, add (-16) hours. For example, 4 AM GMT+9 = 12 PM PDT (previous day).
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