Current Time in Altamont, Grundy County, Tennessee, USA

12:21:01 AM

00:21:01

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

America/Chicago

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Time zone details

Altamont is observing daylight saving time in 2026

Daylight in Altamont

Sunrise6:24 AMSolar noon12:38 PMSunset6:52 PM
Next clock changeNov 1, 2026 · Clocks move back 1 hour · in 49 daysUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
USA
State
Tennessee
County
Grundy County
Place type
City or town
Country currency
US Dollar (USD)

Practical

Languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
1,027
Elevation
565 m

Geography

Geographic coordinates
35° 25' N / 85° 43' W
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Clock changes in Altamont

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
12 hr 28 min2 min 11 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waxing CrescentMoon illumination8%
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Sunday, September 13, 2026

View Altamont on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
12 hr 28 min2 min 11 sec shorter than the previous day
Solar noon
(58.2° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Waxing Crescent (8% illuminated)
Moonrise
Moonset
Previous principal phase
New Moon — Thursday, September 10, 2026 at
Next principal phase
First Quarter — Friday, September 18, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
12 hr 28 min2 min 11 sec shorter than the previous day
12 hr 26 min2 min 12 sec shorter than the previous day
12 hr 24 min2 min 12 sec shorter than the previous day
12 hr 22 min2 min 12 sec shorter than the previous day
12 hr 19 min2 min 13 sec shorter than the previous day
12 hr 17 min2 min 12 sec shorter than the previous day
12 hr 15 min2 min 13 sec shorter than the previous day

Weather forecast for Altamont

Temperature unit
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Plan around Altamont

Upcoming public holidays in Tennessee

  1. Columbus Day
  2. Veterans Day
  3. Thanksgiving Day

Frequently asked questions

What time zone is Altamont in?
Altamont currently uses Central Daylight Time (CDT). Its IANA time zone is America/Chicago.
When is the next clock change in Altamont?
Clocks in Altamont move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from CDT (UTC−05:00) to CST (UTC−06:00)
Is Altamont currently on daylight saving time?
Altamont is observing daylight saving time in 2026
What is the UTC offset in Altamont right now?
Altamont is currently UTC−05:00