Japan Standard Time (jst) is used in Japan. The IANA timezone identifier is Asia/Tokyo.

Eastern European Time (eet) is used in Greece. The IANA timezone identifier is Europe/Athens.

JST to EET Time Converter

Japan Standard Time → Eastern European Time

JST = UTC+9EET = UTC+3

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

EET (Athens)

Greece · -6h

03:00

London

United Kingdom · -8h

01:00

New York

USA · -13h

20:00-1 day

Dubai

United Arab Emirates · -5h

04:00

Sydney

Australia · +1h

10:00

JST (Tokyo) ↔ EET (Athens) — time offset

JST (Tokyo) is 6 hours ahead of EET (Athens). When it's noon in JST (Tokyo), it's 06:00 in EET (Athens).

JST (Tokyo) is in the Asia/Tokyo timezone. EET (Athens) is in Europe/Athens. The difference is 6 hours.

Mutual working hours

Both JST (Tokyo) and EET (Athens) are simultaneously in business hours for 2 hours per day (assuming standard 9:00–17:00 working hours).

00:0006:0012:0018:0024:00

JST (Tokyo)

EET (Athens)

Overlap (2h)

Recommended meeting windows

Both JST (Tokyo) and EET (Athens) are in standard hours simultaneously for 2h per day.

15:00 Tokyo / 09:00 Athens✓ Both working

16:00 Tokyo / 10:00 Athens✓ Both working

Based on standard 09:00–17:00 working hours in each location's local time.

Public holidays this year

⚡ Upcoming holidays in both locations, confirm with your contact before booking.

JST (Tokyo)7 holidays

Jul 20Marine Day

Aug 11Mountain Day

Sep 21Respect for the Aged Day

Sep 23Autumnal Equinox Day

Oct 12Sports Day

EET (Athens)4 holidays

Aug 15Assumption Day

Oct 28Ochi Day

Dec 25Christmas Day

Dec 26St. Stephen's Day

JST (Tokyo) and EET (Athens) — practical scheduling

JST (Tokyo) (Japan) leads EET (Athens) (Greece) by 6 hours. Despite the gap, a 2-hour window of shared business hours each day keeps real-time collaboration practical for both sides.

💡 Practical scheduling guidelines

✅

15:00–16:00 in JST (Tokyo) = 09:00–10:00 in EET (Athens). Both sides are in standard business hours during this window.

✅

16:00–17:00 in JST (Tokyo) = 10:00–11:00 in EET (Athens). Both sides are in standard business hours during this window.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in JST (Tokyo). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

JST (Tokyo) ↔ EET (Athens)

2h of business hours overlap daily (09:00–17:00)

JST (Tokyo)

EET (Athens)