Different sunset time? What???

haring

I am going to photograph a wedding in Miami in April 2011.
I have noticed that different websites give different sunset/sunrise times! Sometimes there is one hour (!) difference... It is a lot!

For example if you look for the sunset time for Miami for 04/23/2011 on this website:
http://www.timeanddate.com/worldclock/astronomy.html?n=156
or this one:
http://www.calendar-updates.com/sun.asp?PostalCode=33149&Submit=Get+Sunrise+%2F+Sunset+Times

The sunset time is: 7:48pm

On the NAVY's website: http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-year-us

It is 18:48= 6:45pm!!!

Can somebody explain this to me??? :):)
I am sure others have faced this problem as well.

divamum

Isn't nautical sunset later than civil? According to ths wikipedia article on twilight, there's about 6* difference between them...

eoren1

Go to this site:
http://photoephemeris.com/
You'll get accurate times and location of the sunset on a Google map to help with planning the shoot
E

JC

haring wrote: »

On the NAVY's website: http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-year-us

It is 18:48= 6:45pm!!!

Can somebody explain this to me??? :):)
I am sure others have faced this problem as well.

If you read the notes on your navy.mil link- just scroll down a little bit from the form entry fields, it says:

"
Daylight Time

Daylight time is not implemented in this program. When daylight time is in use, add one hour to the times listed in the table."

haring

I am sorry. You are right!