What time is 1 AM in Tokyo in Ontario?
Instant time conversion · Japan to United States
When it's 1 AM in Tokyo (GMT+9)…
Tokyo to Ontario — Time Conversion
When it is 1 AM in Tokyo (Japan Standard Time, GMT+9), it is 10 AM in Ontario (Mountain Daylight Time, MDT).Ontario is 15 hours behind Tokyo.
Use the table above to see the equivalent time in Ontario and other major cities worldwide. Click any row to open the full hour page for that destination.
All Tokyo hours → Ontario
Frequently Asked Questions
What time is 1 AM in Tokyo in Ontario?
1 AM Tokyo time (GMT+9) equals 10 AM in Ontario (MDT) — the previous day.
What is the time difference between Tokyo and Ontario?
Ontario is 15 hours behind Tokyo. Tokyo uses Japan Standard Time (GMT+9, UTC+9) and Ontario uses Mountain Daylight Time (MDT, UTC-6).
Is 1 AM Tokyo a good time to call Ontario?
Yes — 1 AM in Tokyo corresponds to 10 AM in Ontario, 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 Ontario?
To convert Tokyo time to Ontario time, add (-15) hours. For example, 1 AM GMT+9 = 10 AM MDT (previous day).
Other hours — Tokyo to Ontario
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