The short answer

3am in Tokyo is 8pm in Rome on the previous day.

Tokyo is 7 hours ahead of Rome. That's already evening in Rome, after the typical working day ends.

Tokyo
3am
Rome
8pm
previous day
Right now
7:19pmJST · UTC+09:00 · Mon, Jun 22
12:19pmCEST · UTC+02:00 · Mon, Jun 22
Read across to convert
Tokyo
JST · UTC+09:00
7:19pm ☾
Rome
CEST · UTC+02:00
12:19pm ☀
Pinned3amTokyo=8pmRome · Sun (previous day)
12amMon
5pmSun ·−1d
1am
6pmSun ·−1d
2am
7pmSun ·−1d
PINNED
3am
8pmSun ·−1d
4am
9pmSun ·−1d
5am
10pmSun ·−1d
6am
11pmSun ·−1d
7am
12amMon
8am
1am
9am
WORK
2am
10am
WORK
3am
11am
WORK
4am
12pm
WORK
5am
1pm
WORK
6am
2pm
WORK
7am
3pm
WORK
8am
4pm
WORK
9am
WORK
5pm
10am
WORK
6pm
11am
WORK
NOW
7pm
12pm
WORK
8pm
1pm
WORK
9pm
2pm
WORK
10pm
3pm
WORK
11pm
4pm
WORK
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Tokyo
4pm–5pm
=
Rome
9am–10am
Popular conversions

Quick reference.

9amTokyo=2amRome
12pmTokyo=5amRome
3pmTokyo=8amRome
5pmTokyo=10amRome
9pmTokyo=2pmRome
In context

What each side covers.

Tokyo
JST · UTC+09:00
7:19pm
Cities on this clock
Rome
CEST · UTC+02:00
12:19pm
Cities on this clock

Frequently asked

Quick answers about converting between Tokyo and Rome. Can't find what you need? Email [email protected].

What is the time difference between Tokyo and Rome?
Tokyo is 7 hours ahead of Rome 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 3am in Tokyo, what time is it in Rome?
3am in Tokyo is 8pm in Rome on the previous day. That's already evening in Rome, after the typical working day ends. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Tokyo and Rome?
4pm–5pm in Tokyo lines up with 9am–10am in Rome — 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 — JST and CEST — 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.