Aslamo Aliakum!
Please visit http://en.wikipedia.org/wiki/Earth for
complete reference:
Tru orbital (revolution) period of Earth aroung Sun is
called Sidereal Year. Length of one sidereal year is
31558152.96 seconds, or 365.2564 mean solar days (24
hours).
Hope this will help you. If you still have any
confusion or want to share some knowledge, feel free
to contact me.
Regards,
Arsalan Malik
=====
617273616C616E4B32
__________________________________
Do you Yahoo!?
Send holiday email and support a worthy cause. Do good.
http://celebrity.mail.yahoo.com