What is the ISO week number in Mountain Brook?

TimeDials shows the current ISO week number for Mountain Brook in real time. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year.

Time in Mountain Brook, Alabama, United States — Local Time & Date

Live

--:--:--

Current local time in 🇺🇸 Mountain Brook, Alabama, United States.

CST/CDT UTC-05:00

Relative to You

Detecting your timezone…

Relative to UTC

-5 hours behind

Noon here = 17:00 UTC

09:00 here = 14:00 UTC

12:00 here = 17:00 UTC

17:00 here = 22:00 UTC

ISO Week

11 Odd Week

Sun

06:58

18:36

Today

Mountain Brook is waking up — early risers grab coffee before the day begins. The current offset is UTC-05:00.

Daylight Saving Time

Last Clock Change

2026-03-08

Clocks moved forward to GMT-5

Next Clock Change

2026-11-01

Clocks will move back to GMT-6

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Quick Facts

Country	🇺🇸United States
State / Region	Alabama
Timezone	CST/CDT
UTC Offset	UTC-05:00
DST	Yes — daylight saving time observed
Population	20,691
Elevation	237 m
Sunrise	06:58
Sunset	18:36
Coordinates	33.50°N, -86.75°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
New York	+1h	--:--
Los Angeles	-2h	--:--
London	+5h	--:--
Paris	+6h	--:--
Dubai	+9h	--:--
Mumbai	+10h 30m	--:--
Singapore	+13h	--:--
Tokyo	+14h	--:--
Sydney	+16h	--:--
Sao Paulo	+2h	--:--
Cairo	+7h	--:--
Shanghai	+13h	--:--

Frequently Asked Questions

What are the business hours in Mountain Brook?

Standard business hours in Mountain Brook are 09:00–17:00 local time (CST/CDT). Check the live clock above to see the current local time. Use our Time Zone Planner to find the best meeting time across cities.

What is the UTC offset for Mountain Brook?

Mountain Brook is currently at UTC-05:00. The timezone identifier is CST/CDT. When it is noon in Mountain Brook, it is 17:00 UTC. You can embed a live Mountain Brook clock on your website.

What ISO week number is it in Mountain Brook?

It is currently ISO week 11 (odd week) in Mountain Brook. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year. Learn more about ISO week numbers.

Does Mountain Brook observe daylight saving time?

Yes, Mountain Brook observes daylight saving time (DST). The most recent change was on 2026-03-08, when clocks moved forward to GMT-5. The next change is on 2026-11-01, when clocks will move back to GMT-6.