Time difference between Chicago and Mar del Plata
+2 hMar del Plata is 2 hours ahead of Chicago.
Observatory log
Chicago and Mar del Plata, compared
- 01Difference now
Mar del Plata is 2 hours ahead of Chicago.
Chicago: CDT (UTC−5) · Mar del Plata: UTC−3 (UTC−3)
Next changeFrom 1 November 2026: Mar del Plata is 3 hours ahead of Chicago.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026+3 h
- 8 March 2026 – 1 November 2026+2 h
- 1 November 2026 – 14 March 2027+3 h
- 14 March 2027 – 7 November 2027+2 h
- 7 November 2027 – 31 December 2027+3 h
Difference of Mar del Plata from Chicago. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Mon–Fri: 09:00–15:00 in Chicago = 11:00–17:00 in Mar del Plata · 6 h
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
09:00–15:00 in Chicago = 11:00–17:00 in Mar del Plata
Inside both working days (Mon–Fri).
- 05Weekend
Chicago: Saturday and Sunday
Mar del Plata: Saturday and Sunday
24 hours
A day in Chicago, in Mar del Plata
| Chicago | Mar del Plata | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 02:00 | |
| 01:00 | 03:00 | |
| 02:00 | 04:00 | |
| 03:00 | 05:00 | |
| 04:00 | 06:00 | |
| 05:00 | 07:00 | |
| 06:00 | 08:00 | |
| 07:00 | 09:00 | |
| 08:00 | 10:00 | |
| 09:00 | 11:00 | |
| 10:00 | 12:00 | |
| 11:00 | 13:00 | |
| 12:00 | 14:00 | |
| 13:00 | 15:00 | |
| 14:00 | 16:00 | |
| 15:00 | 17:00 | |
| 16:00 | 18:00 | |
| 17:00 | 19:00 | |
| 18:00 | 20:00 | |
| 19:00 | 21:00 | |
| 20:00 | 22:00 | |
| 21:00 | 23:00 | |
| 22:00 | 00:00Tomorrow | |
| 23:00 | 01:00Tomorrow |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Chicago and Mar del Plata
More time differences with Chicago
Questions
Asked about Chicago and Mar del Plata
What is the time difference between Chicago and Mar del Plata?
Mar del Plata is 2 hours ahead of Chicago. This holds until 1 November 2026; then Mar del Plata is 3 hours ahead of Chicago.
What is the best time for a call between Chicago and Mar del Plata?
Inside both working days: Mon–Fri: 09:00–15:00 in Chicago = 11:00–17:00 in Mar del Plata · 6 h.
When does the time difference between Chicago and Mar del Plata change?
In the next 12 months it changes on: 1 November 2026 (+3 h); 14 March 2027 (+2 h).