I have tried +/- 1 hour, failed, stuck at block 0
and log for time shift = 0:
[2013-12-19 22:29:29.363] "209.222.0.198": {"requestType":"getCumulativeDifficul
ty"} >>> {"cumulativeDifficulty":"0"}
[2013-12-19 22:29:30.956] "209.222.0.198": {"requestType":"getCumulativeDifficul
ty"} >>> {"cumulativeDifficulty":"0"}
[2013-12-19 22:29:32.559] "209.222.0.198": {"requestType":"getCumulativeDifficul
ty"} >>> {"cumulativeDifficulty":"0"}
[2013-12-19 22:29:32.616] "209.222.0.198": {"requestType":"getPeers"} >>> {"peer
s":["209.222.0.198","76.23.245.127"]}
[2013-12-19 22:29:34.111] "209.222.0.198": {"requestType":"getCumulativeDifficul
ty"} >>> {"cumulativeDifficulty":"0"}
[2013-12-19 22:29:34.446] "209.222.0.198": {"requestType":"getUnconfirmedTransac
tions"} >>> {"unconfirmedTransactions":[]}
[2013-12-19 22:29:35.669] "209.222.0.198": {"requestType":"getCumulativeDifficul
ty"} >>> {"cumulativeDifficulty":"0"}
2013-12-19 22:29:36.592:INFO:oejs.ServerConnector:Thread-0: Stopped ServerConnec
tor@7c14dcba{HTTP/1.1}{0.0.0.0:6874}
I'll test timeshift = +/- 1 hour and report you the log.