Is time a resource?
Yes. Reminds me of the quote "time is money".
Definitely. However, different cultures handle this resource in different ways. See the sites below.
http://www.members.cox.net/dagershaw/lol/MexicanClock.html
http://www.members.cox.net/dagershaw/lol/PastPresentFuture.html
I hope this helps a little more. Thanks for asking.
In my management activities, time was usually a constraint. Some folks consider constraints to be limited resources, so it that sense it is a resource.