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Louisville - United States Actual Time and Date

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Louisville timezone information

UTC/GMT Offset Daylight time zone - UTC/GMT -4 hours in daylight saving time (EDT)
Next time change on 11/03/2019 01:00 am (local time) (EST)
Daylight saving time Actually in DST
Daylight Saving Time start on : Sunday 10 March 2019 am:00 am
Daylight Saving Time end on : Sunday 03 November 2019 01:00 am

Actual offset : UTC/GMT -4 hours (in DST time)
In DST Time : UTC/GMT - -4 hours
In STD Time : UTC/GMT - -5 hours

Geographical and astronomical datas : United States

Coordinates Latitude : 38° 13' north
Longitude : 85° 48' west
Astronomic Observations Sunrise at : 01:54 am
Transition hout : 07:57 am
Sunset at : 02:01 pm
Duration of day : 12 hours
Civil twilight start at : 01:33 am
Civil twilight end at : 02:22 pm

World time information on North America - Louisville

Nautical time zone letters are not used with the exception of Z
To calculate UTC time one has to subtract the offset from the local time, e.g
for "15:00-03:30" do 15:00 − (−03:30) to get 18:30 UTC.
The offset can also be used in the case where the UTC time is known, but the local offset is not
In this case the offset is "-00:00", which is semantically different from "Z" or "+00:00", as these imply that UTC is the preferred reference point for those times.
Combining date and time representations to represent a single point in time (time point) is quite simple
It is in the format of T

Source : Wikipedia
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