On Aug 29, 2007 clock was adjusted back 3 minutes:

>t?
TE = 01:00:00.00 --------- Time per Ensemble (hrs:min:sec.sec/100)
TF = **/**/**,**:**:** --- Time of First Ping (yr/mon/day,hour:min:sec)
TG = ****/**/**,**:**:** - Time of First Ping (CCYY/MM/DD,hh:mm:ss)
TP = 01:12.00 ------------ Time per Ping (min:sec.sec/100)
TS = 07/08/29,18:26:15 --- Time Set (yr/mon/day,hour:min:sec)
TT = 2007/08/29,18:26:15 - Time Set (CCYY/MM/DD,hh:mm:ss)
>ts07/08/29,18:23:10
>t?
TE = 01:00:00.00 --------- Time per Ensemble (hrs:min:sec.sec/100)
TF = **/**/**,**:**:** --- Time of First Ping (yr/mon/day,hour:min:sec)
TG = ****/**/**,**:**:** - Time of First Ping (CCYY/MM/DD,hh:mm:ss)
TP = 01:12.00 ------------ Time per Ping (min:sec.sec/100)
TS = 07/08/29,18:23:16 --- Time Set (yr/mon/day,hour:min:sec)
TT = 2007/08/29,18:23:16 - Time Set (CCYY/MM/DD,hh:mm:ss)
>
>tg2007/08/29,19:00:00
>t?
TE = 01:00:00.00 --------- Time per Ensemble (hrs:min:sec.sec/100)
TF = 07/08/29,19:00:00 --- Time of First Ping (yr/mon/day,hour:min:sec)
TG = 2007/08/29,19:00:00 - Time of First Ping (CCYY/MM/DD,hh:mm:ss)
TP = 01:12.00 ------------ Time per Ping (min:sec.sec/100)
TS = 07/08/29,18:24:10 --- Time Set (yr/mon/day,hour:min:sec)
TT = 2007/08/29,18:24:10 - Time Set (CCYY/MM/DD,hh:mm:ss)
>cs