EdmDate and EdmTimeOfDay both assume GMT for incoming string values - however when the convert from Java objects to string they use the local/default Calendar. So when Teiid is on a server not in GMT date and time value sent via the odata4 translator will likely be wrong.

Ramesh:
I have posted a question to the Olingo development group here http://markmail.org/search/list:org.apache.olingo.dev#query:list%3Aorg.apache.olingo.dev+page:1+mid:bfghfslrpwyjh6ii+state:results