Current Time in Waterloo, Iowa, USA

6:18:49 PM

18:18:49

CDT (Central Daylight Time) · UTC−05:00

America/Chicago

Clock format
Time zone details

Waterloo is observing daylight saving time in 2026

Daylight in Waterloo

Sunrise7:33 AMSolar noon12:53 PMSunset6:13 PM
Next clock changeNov 1, 2026 · Clocks move back 1 hour · in 7 daysUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
USA
State
Iowa
County
Black Hawk County
Place type
City or town
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
68,460
Elevation
261 m

Geography

Geographic coordinates
42° 29' N / 92° 20' W
View on map

Convert Waterloo time

All times shown relative to Waterloo local time

Clock changes in Waterloo

Next clock change

Upcoming

2:00 AM CDT1:00 AM CST

Clocks move back 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM CST3:00 AM CDT

    Clocks move forward 1 hour

  2. upcoming

    Daylight saving time ends

    2:00 AM CDT1:00 AM CST

    Clocks move back 1 hour

Future clock changes, 2027–2030

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
10 hr 40 min2 min 41 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Full MoonMoon illumination97%
View full Sun & Moon detailsHide full Sun & Moon details

Saturday, October 24, 2026

Sun

Sunrise
Sunset
Day length
10 hr 40 min2 min 41 sec shorter than the previous day
Solar noon
(35.6° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Full Moon (97% illuminated)
Moonrise
Moonset
Previous principal phase
First Quarter — Sunday, October 18, 2026 at
Next principal phase
Full Moon — Sunday, October 25, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 40 min2 min 41 sec shorter than the previous day
10 hr 37 min2 min 39 sec shorter than the previous day
10 hr 35 min2 min 39 sec shorter than the previous day
10 hr 32 min2 min 38 sec shorter than the previous day
10 hr 29 min2 min 37 sec shorter than the previous day
10 hr 27 min2 min 36 sec shorter than the previous day
10 hr 24 min2 min 35 sec shorter than the previous day

Weather forecast for Waterloo

Temperature unit

Loading weather forecast…

Plan around Waterloo

Upcoming public holidays in Iowa

  1. Veterans Day
  2. Thanksgiving Day
  3. Christmas Day

Nearby scheduled airports for Waterloo, Iowa, USA

Waterloo Regional AirportALOMedium airport8.6 km north-northwest

Source: OurAirports record · ALO / KALO

About 8.6 km (5.3 mi) north-northwest of Waterloo

Scheduled airline service in source data

The Eastern Iowa AirportCIDMedium airport · Serves Cedar Rapids85.3 km southeast

Source: OurAirports record · CID / KCID

About 85.3 km (53.0 mi) southeast of Waterloo

Scheduled airline service in source data

Mason City Municipal AirportMCWMedium airport · Serves Mason City109 km northwest

Source: OurAirports record · MCW / KMCW

About 109 km (68.0 mi) northwest of Waterloo

Scheduled airline service in source data

Nearby places

Browse places in USA

Frequently asked questions

What time zone is Waterloo in?
Waterloo uses Central Standard Time (CST, UTC−6) in winter and Central Daylight Time (CDT, UTC−5) in summer. Its IANA time zone is America/Chicago.
When is the next clock change in Waterloo?
Clocks in Waterloo move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from CDT (UTC−05:00) to CST (UTC−06:00)
Does Waterloo observe daylight saving time?
Yes. Waterloo observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.
What is the UTC offset of Waterloo?
Waterloo is UTC−6 in winter and UTC−5 in summer