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Time difference between Chicago and Cluj-Napoca

+8 hCluj-Napoca is 8 hours ahead of Chicago.

ChicagoUnited States

CDTUTC−5

Cluj-NapocaRomania

EESTUTC+3

Observatory log

Chicago and Cluj-Napoca, compared

01Difference now

Cluj-Napoca is 8 hours ahead of Chicago.

Chicago: CDT (UTC−5) · Cluj-Napoca: EEST (UTC+3)

Next changeFrom 25 October 2026: Cluj-Napoca is 7 hours ahead of Chicago.

02Through 2026–2027
  1. 1 January 2026 – 8 March 2026+8 h
  2. 8 March 2026 – 29 March 2026+7 h
  3. 29 March 2026 – 25 October 2026+8 h
  4. 25 October 2026 – 1 November 2026+7 h
  5. 1 November 2026 – 14 March 2027+8 h
  6. 14 March 2027 – 28 March 2027+7 h
  7. 28 March 2027 – 31 October 2027+8 h
  8. 31 October 2027 – 7 November 2027+7 h
  9. 7 November 2027 – 31 December 2027+8 h

Difference of Cluj-Napoca from Chicago. It changes on the days either place changes its clocks (dates local to that place).

03Shared working hours

Their working days never overlap.

Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.

04Best time to meet

06:00–14:00 in Chicago = 14:00–22:00 in Cluj-Napoca

No shared office hours: this is early or late for one side (Mon–Fri).

05Weekend

Chicago: Saturday and Sunday

Cluj-Napoca: Saturday and Sunday

24 hours

A day in Chicago, in Cluj-Napoca

Each hour of 19 October 2026 in Chicago and the same moment in Cluj-Napoca
ChicagoCluj-NapocaWorking hours, evening, night or weekend in each place
00:0008:00
01:0009:00
02:0010:00
03:0011:00
04:0012:00
05:0013:00
06:0014:00
07:0015:00
08:0016:00
09:0017:00
10:0018:00
11:0019:00
12:0020:00
13:0021:00
14:0022:00
15:0023:00
16:0000:00Tomorrow
17:0001:00Tomorrow
18:0002:00Tomorrow
19:0003:00Tomorrow
20:0004:00Tomorrow
21:0005:00Tomorrow
22:0006:00Tomorrow
23:0007:00Tomorrow

Working hoursEarly or eveningNightWeekend

Plan a meeting: Chicago and Cluj-Napoca

Questions

Asked about Chicago and Cluj-Napoca

What is the time difference between Chicago and Cluj-Napoca?

Cluj-Napoca is 8 hours ahead of Chicago. This holds until 25 October 2026; then Cluj-Napoca is 7 hours ahead of Chicago.

What is the best time for a call between Chicago and Cluj-Napoca?

No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 06:00–14:00 in Chicago = 14:00–22:00 in Cluj-Napoca · 8 h.

When does the time difference between Chicago and Cluj-Napoca change?

In the next 12 months it changes on: 25 October 2026 (+7 h); 1 November 2026 (+8 h); 14 March 2027 (+7 h); 28 March 2027 (+8 h).