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Tokyo to West Lafayette time difference

West Lafayette is 14 hours behind Tokyo. There is no hour on a workday when both sides are in office hours - someone joins early or late.

Tokyo, JapanPING

Japan Standard Time · UTC+9

West Lafayette, United StatesNOT NOW

Eastern Standard Time · UTC−5

Overlap on a workday

columns: Tokyo hours
PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged

Tokyo to West Lafayette time conversion

Add a third city
TokyoWest LafayetteVerdict TokyoVerdict West Lafayette
00:0010:00 −1 dayNOT NOWPING
01:0011:00 −1 dayNOT NOWPING
02:0012:00 −1 dayNOT NOWPING
03:0013:00 −1 dayNOT NOWPING
04:0014:00 −1 dayNOT NOWPING
05:0015:00 −1 dayNOT NOWPING
06:0016:00 −1 dayNOT NOWPING
07:0017:00 −1 dayMAYBEPING
08:0018:00 −1 dayMAYBEMAYBE
09:0019:00 −1 dayPINGMAYBE
10:0020:00 −1 dayPINGMAYBE
11:0021:00 −1 dayPINGNOT NOW
12:0022:00 −1 dayPINGNOT NOW
13:0023:00 −1 dayPINGNOT NOW
14:0000:00PINGNOT NOW
15:0001:00PINGNOT NOW
16:0002:00PINGNOT NOW
17:0003:00PINGNOT NOW
18:0004:00MAYBENOT NOW
19:0005:00MAYBENOT NOW
20:0006:00MAYBENOT NOW
21:0007:00NOT NOWMAYBE
22:0008:00NOT NOWMAYBE
23:0009:00NOT NOWPING

Questions

What is the time difference between Tokyo and West Lafayette?

West Lafayette is 14 hours behind Tokyo. Tokyo is on UTC+9 and West Lafayette on UTC−5.

If it is 9 AM in Tokyo, what time is it in West Lafayette?

19:00 the previous day in West Lafayette.

What is the best time for a Tokyo–West Lafayette meeting?

There is no hour where both cities are inside 09:00–18:00. The least painful slot is early morning in the later city and late afternoon in the earlier one; consider async updates instead.

Does the Tokyo–West Lafayette time difference change during the year?

Yes. West Lafayette observes daylight saving, so the gap can shift by an hour around the clock changes.