Time in Kentucky explained

About 60% of Kentucky lies in the Eastern Time Zone, with the rest in the Central Time Zone, as follows:^[1]

Central boundary counties Breckinridge Grayson Hart Green Adair Russell Clinton

Eastern boundary counties Meade Hardin LaRue Taylor Casey Pulaski Wayne

Counties to the north and east of this boundary are in the Eastern Time Zone, while counties to the south and west are in the Central Time Zone. 30% of the area in Eastern Time Zone is further west than areas to the south. This progression to the west is further continued into Indiana.

IANA time zone database

In the IANA time zone database, Kentucky is covered by four time zones, columns marked " * " contain the data from the file zone.tab:

*	Coordinates *	TZ *	Comments *	UTC offset	UTC offset DST
	−05:00	−04:00
	−06:00	−05:00
Observed Central Time before July 23, 1961^[2]	−05:00	−04:00
Observed Central Time before October 29, 2000^[3] ^[4]	−05:00	−04:00

Notable clocks

• The Floral Clock in Frankfort is a working clock that has a face planted with flowers, and is an attraction in its own right.
• The Colgate Clock in Clarksville, Indiana, is the second-largest timepiece in the world. It faces the Ohio River to its south, and is most typically viewed from across the river in Louisville.^{[5] [6]}
• Louisville formerly featured a notable clock known as the Louisville Clock or the Derby Clock, which was 40feet high and decorated with mechanized sculptures. It was first installed in 1976 and after several relocations and various mechanical problems, was dismantled in 2015.

See also

• Time in the United States

Notes and References

1. 80 counties, totaling 24679.526 sq mi are in ET, while 40 counties, totaling 15473.36 sq mi are in CT, based on individual Wikipedia county articles as of 2012-05-21.
2. Web site: Time Zone & Clock Changes 1960-1969 in Louisville, Kentucky, USA . www.timeanddate.com . 5 July 2022 . en.
3. Web site: Time Zone & Clock Changes 2000-2009 in Monticello, Kentucky, USA . www.timeanddate.com . 5 July 2022 . en.
4. Web site: Shipley . Sarah . What a difference a time zone makes . Christian Science Monitor . 5 July 2022 . 29 August 2000.
5. Web site: http://www.roadsideamerica.com/tip/10381 . Colgate Clock . Roadside America . May 31, 2013 . August 28, 2017.
6. Web site: 10 Most Endangered: Colgate-Palmolive Plant and Clock. 2006. 10 Most Endangered Sites List. Historic Landmarks Foundation of Indiana. 2009-04-02. https://web.archive.org/web/20060715122352/http://www.historiclandmarks.org/news/2006_10Most/10most06-2.html. 2006-07-15 .