The short answer

Dumont-d’Urville Time is 1 hour ahead of Japan Standard Time.

Dumont-d’Urville Time
11:19:51pm
+10:00 · UTC+10:00 · Thu, Jun 25
Japan Standard Time
10:19:51pm
JST · UTC+09:00 · Thu, Jun 25
Read across to convert
Dumont-d’Urville Time
+10:00 · UTC+10:00
11:19pm ☾
Japan Standard Time
JST · UTC+09:00
10:19pm ☾
Click any row to pin that hour across both zones.
12amThu
11pmWed ·−1d
1am
12amThu
2am
1am
3am
2am
4am
3am
5am
4am
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9am
WORK
8am
10am
WORK
9am
WORK
11am
WORK
10am
WORK
12pm
WORK
11am
WORK
1pm
WORK
12pm
WORK
2pm
WORK
1pm
WORK
3pm
WORK
2pm
WORK
4pm
WORK
3pm
WORK
5pm
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WORK
6pm
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7pm
6pm
8pm
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9pm
8pm
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9pm
NOW
11pm
10pm
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Dumont-d’Urville Time
10am–5pm
=
Japan Standard Time
9am–4pm
Popular conversions

Quick reference.

9amDumont-d’Urville Time=8amJapan Standard Time
12pmDumont-d’Urville Time=11amJapan Standard Time
3pmDumont-d’Urville Time=2pmJapan Standard Time
5pmDumont-d’Urville Time=4pmJapan Standard Time
9pmDumont-d’Urville Time=8pmJapan Standard Time
In context

What each side covers.

Dumont-d’Urville Time
+10:00 · UTC+10:00
11:19pm

Dumont-d’Urville Time

Japan Standard Time
JST · UTC+09:00
10:19pm
Cities on this clock

Frequently asked

Quick answers about converting between Dumont-d’Urville Time and Japan Standard Time. Can't find what you need? Email [email protected].

What is the time difference between Dumont-d’Urville Time and Japan Standard Time?
Dumont-d’Urville Time is 1 hour ahead of Japan Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
When it's 9am in Dumont-d’Urville Time, what time is it in Japan Standard Time?
9am in Dumont-d’Urville Time is 8am in Japan Standard Time. Use the hour-by-hour table above to read any other time across — find the row and read the matching cell in the other column.
What's the best time for a call between Dumont-d’Urville Time and Japan Standard Time?
10am–5pm in Dumont-d’Urville Time lines up with 9am–4pm in Japan Standard Time — both sides are inside a 9-to-5 working day.
Does this account for daylight saving time?
Yes. We track every clock change in both places, so the abbreviations you see — +10:00 and JST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
Why is the date sometimes different on each side?
When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.