What is the ISO week number in Colorado Triangle?

TimeDials shows the current ISO week number for Colorado Triangle 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 Colorado Triangle, District of Columbia, United States — Local Time & Date

Live

--:--:--

Current local time in 🇺🇸 Colorado Triangle, District of Columbia, United States.

EST/EDT UTC-04:00

Relative to You

Detecting your timezone…

Relative to UTC

-4 hours behind

Noon here = 16:00 UTC

09:00 here = 13:00 UTC

12:00 here = 16:00 UTC

17:00 here = 21:00 UTC

ISO Week

11 Odd Week

Sun

07:21

18:55

Today

Colorado Triangle is waking up — early risers grab coffee before the day begins. The current offset is UTC-04:00.

Daylight Saving Time

Last Clock Change

2026-03-08

Clocks moved forward to GMT-4

Next Clock Change

2026-11-01

Clocks will move back to GMT-5

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Quick Facts

Country	🇺🇸United States
State / Region	District of Columbia
Timezone	EST/EDT
UTC Offset	UTC-04:00
DST	Yes — daylight saving time observed
Population	11,780
Elevation	64 m
Sunrise	07:21
Sunset	18:55
Coordinates	38.96°N, -77.03°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
Los Angeles	-3h	--:--
London	+4h	--:--
Paris	+5h	--:--
Dubai	+8h	--:--
Mumbai	+9h 30m	--:--
Singapore	+12h	--:--
Tokyo	+13h	--:--
Sydney	+15h	--:--
Sao Paulo	+1h	--:--
Cairo	+6h	--:--
Shanghai	+12h	--:--

Frequently Asked Questions

What are the business hours in Colorado Triangle?

Standard business hours in Colorado Triangle are 09:00–17:00 local time (EST/EDT). 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 Colorado Triangle?

Colorado Triangle is currently at UTC-04:00. The timezone identifier is EST/EDT. When it is noon in Colorado Triangle, it is 16:00 UTC. You can embed a live Colorado Triangle clock on your website.

What ISO week number is it in Colorado Triangle?

It is currently ISO week 11 (odd week) in Colorado Triangle. 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 Colorado Triangle observe daylight saving time?

Yes, Colorado Triangle observes daylight saving time (DST). The most recent change was on 2026-03-08, when clocks moved forward to GMT-4. The next change is on 2026-11-01, when clocks will move back to GMT-5.