Current Time in Byrnes Mill, Jefferson County, Missouri, USA
9:56:49 PM
21:56:49
CST (Central Standard Time) · UTC−06:00
America/Chicago
Clock format
Time zone details
Byrnes Mill is currently on standard time; daylight saving time is observed in 2026
Daylight in Byrnes Mill
Location facts
Place
- Country
- USA
- State
- Missouri
- County
- Jefferson County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Country languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 2,888
- Elevation
- 143 m
Geography
- Geographic coordinates
- 38° 26' N / 90° 34' W
Convert Byrnes Mill time
Compare Byrnes Mill with another city or time zone
Clock changes in Byrnes Mill
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
2026
past
Daylight saving time starts
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
past
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 09 min1 min 54 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
Waxing CrescentMoon illumination18%
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Friday, November 13, 2026
View Byrnes Mill on Savvy Time's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 09 min1 min 54 sec shorter than the previous day
- Solar noon
- (33.5° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Waxing Crescent (18% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Monday, November 9, 2026 at
- Next principal phase
- First Quarter — Tuesday, November 17, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 09 min | 1 min 54 sec shorter than the previous day | |||
| 10 hr 07 min | 1 min 52 sec shorter than the previous day | |||
| 10 hr 05 min | 1 min 50 sec shorter than the previous day | |||
| 10 hr 03 min | 1 min 48 sec shorter than the previous day | |||
| 10 hr 02 min | 1 min 47 sec shorter than the previous day | |||
| 10 hr 00 min | 1 min 44 sec shorter than the previous day | |||
| 9 hr 58 min | 1 min 42 sec shorter than the previous day |
Weather forecast for Byrnes Mill
Temperature unit
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Plan around Byrnes Mill
Upcoming public holidays in Missouri
- Thanksgiving Day
- Christmas Day
- New Year's Day
Nearby places
WildwoodSaint Louis County18 kmNWBallwinSaint Louis County18 kmNArnoldJefferson County18 kmEManchesterSaint Louis County19 kmNConcordSaint Louis County22 kmNEKirkwoodSaint Louis County22 kmNEMehlvilleSaint Louis County24 kmEOakvilleSaint Louis County24 kmEAfftonSaint Louis County25 kmNEChesterfieldSaint Louis County25 kmNWebster GrovesSaint Louis County26 kmNELemaySaint Louis County28 kmE
Frequently asked questions
- What time zone is Byrnes Mill in?
- Byrnes Mill 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 Byrnes Mill?
- Clocks in Byrnes Mill move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from CST (UTC−06:00) to CDT (UTC−05:00)
- Does Byrnes Mill observe daylight saving time?
- Yes. Byrnes Mill observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.
- What is the UTC offset of Byrnes Mill?
- Byrnes Mill is UTC−6 in winter and UTC−5 in summer