Time in Naperville now
6:58AMCST
CSTUTC−6−1 h vs New York (you)America/Chicago
- Next clock change: Sunday, March 14, 2027: at 2:00 AM clocks go forward 1 hour to 3:00 AM (CDT, UTC−5)
- Next clock change: Sunday, November 7, 2027: at 2:00 AM clocks go back 1 hour to 1:00 AM (CST, UTC−6)
Clock rules in Naperville
Naperville keeps CST (UTC−6) in winter and CDT (UTC−5) in summer, like the whole of Illinois.
Local mean solar time at 88.15° W is UTC−5:53, so standard time runs 7 min behind the sun: it is highest at about 11:53 AM (an hour later in summer).
Naperville has kept the same clocks as Chicago since at least 1970; the zone’s rules, coming changes and history are on the America/Chicago page.
Time difference from Naperville
| Place | Why listed | Local time now | Their clock vs Naperville | January | July |
|---|---|---|---|---|---|
| Washington | Capital · 990 km | 7:58 AM Tue, Nov 3 | +1 h | +1 h | +1 h |
| New York City | Elsewhere in the United States · 1,190 km | 7:58 AM Tue, Nov 3 | +1 h | +1 h | +1 h |
| Los Angeles | Elsewhere in the United States · 2,760 km | 4:58 AM Tue, Nov 3 | −2 h | −2 h | −2 h |
| Phoenix | Elsewhere in the United States · 2,290 km | 5:58 AM Tue, Nov 3 | −1 h | −1 h | −2 h |
| Ottawa | Nearest capitals abroad · 1,080 km | 7:58 AM Tue, Nov 3 | +1 h | +1 h | +1 h |
| Nassau | Nearest capitals abroad · 2,110 km | 7:58 AM Tue, Nov 3 | +1 h | +1 h | +1 h |
| Havana | Nearest capitals abroad · 2,140 km | 8:58 AM Tue, Nov 3 | +2 h | +2 h | +1 h |
| London | World cities | 12:58 PM Tue, Nov 3 | +6 h | +6 h | +6 h |
| Berlin | World cities | 1:58 PM Tue, Nov 3 | +7 h | +7 h | +7 h |
| Dubai | World cities | 4:58 PM Tue, Nov 3 | +10 h | +10 h | +9 h |
| New Delhi | World cities | 6:28 PM Tue, Nov 3 | +11 h 30 min | +11 h 30 min | +10 h 30 min |
| Singapore | World cities | 8:58 PM Tue, Nov 3 | +14 h | +14 h | +13 h |
With JavaScript on, this line shows how office hours in Naperville overlap yours today.
Convert Naperville time
Places near Naperville
| Place | Distance | Clock vs Naperville |
|---|---|---|
| Aurora | 15 km west | same clock |
| Joliet | 29 km south | same clock |
| Elgin | 30 km north | same clock |
| Chicago | 42 km east | same clock |
| Rockford | 95 km north-west | same clock |
| Milwaukee | 141 km north | same clock |
| South Bend | 158 km east | 1 h ahead |
| North Peoria | 169 km south-west | same clock |
Naperville at a glance
- CountryUnited States
- State or provinceIllinois
- Population147,100
- Coordinates41.79° N, 88.15° W
- Elevation216 m
- Time zone IDAmerica/Chicago
- Standard timeCST (UTC−6)
- Daylight saving timeCDT (UTC−5)
- Calling code+1
Questions
What time is it in Naperville now?
The clock at the top of this page shows it to the second. Naperville is on UTC−6 in winter and UTC−5 in summer, 1 hour behind Washington.
What time zone is Naperville in?
Naperville keeps CST (UTC−6) in winter and CDT (UTC−5) in summer, like the whole of Illinois. Its IANA time zone ID is America/Chicago.