Current Time in Naperville, United States
Saturday, October 31, 2026
05:10:25
America/Chicago · UTC-5:00 · CST
Time Zone
America/Chicago
UTC Offset
UTC-5:00
Abbreviation
CST
DST
Active now
Naperville is in the America/Chicago time zone (UTC-5:00). Compared with Beijing time, Naperville is +13h vs Beijing. This page refreshes every second; time zone and DST rules come from the IANA tzdata database.
Sunrise & Sunset in Naperville Today
Sunrise
07:23
Sunset
17:48
Day Length
10小时24分
It is currently nighttime in Naperville. Computed from city coordinates with the NOAA solar algorithm.