[Windows Mobile Apps and Games] jbgood-nl:
Here the are lines from the log when the problem occurs. As you can GPS time is still correct on UTC, but local time goes bazurk. The time changes after 16:08:17 to 08:37:41

[18/06/08 16:03:16] $GPGGA,140315.0,5145.311873,N,00517.189096,E,1,07,1.4,59.5,M,,,,*30|51.7551978833333|5.28648493333333|59.5|18/06/08 16:03:16

[18/06/08 16:03:46] $GPGGA,140345.0,5145.644596,N,00516.799564,E,1,09,1.4,60.0,M,,,,*39|51.7607432666667|5.27999273333333|60|18/06/08 16:03:46

[18/06/08 16:04:16] $GPGGA,140415.0,5145.952538,N,00516.340082,E,1,09,1.4,62.0,M,,,,*38|51.7658756333333|5.2723347|62|18/06/08 16:04:16

[18/06/08 16:04:46] $GPGGA,140445.0,5146.224698,N,00515.772613,E,1,08,1.5,59.0,M,,,,*3D|51.7704116333333|5.26287688333333|59|18/06/08 16:04:46

[18/06/08 16:05:16] $GPGGA,140515.0,5146.632762,N,00515.497057,E,1,08,1.3,57.0,M,,,,*38|51.7772127|5.25828428333333|57|18/06/08 16:05:16

[18/06/08 16:05:46] $GPGGA,140545.0,5147.076051,N,00515.476804,E,1,08,1.1,55.5,M,,,,*39|51.78460085|5.25794673333333|55.5|18/06/08 16:05:46

[18/06/08 16:06:17] $GPGGA,140615.0,5147.542318,N,00515.495724,E,1,08,1.4,57.0,M,,,,*31|51.7923719666667|5.25826206666667|57|18/06/08 16:06:16

[18/06/08 16:06:47] $GPGGA,140645.0,5148.001873,N,00515.523666,E,1,08,1.3,58.0,M,,,,*3C|51.8000312166667|5.25872776666667|58|18/06/08 16:06:46

[18/06/08 16:07:17] $GPGGA,140715.0,5148.438674,N,00515.547992,E,1,08,1.2,64.5,M,,,,*32|51.8073112333333|5.2591332|64.5|18/06/08 16:07:16

[18/06/08 16:07:47] $GPGGA,140745.0,5148.875204,N,00515.647086,E,1,08,1.7,72.0,M,,,,*39|51.8145867333333|5.26078476666667|72|18/06/08 16:07:46

[18/06/08 16:08:17] $GPGGA,140816.0,5149.312845,N,00515.578745,E,1,07,1.7,74.0,M,,,,*3A|51.82188075|5.25964575|74|18/06/08 16:08:17

[18/06/08 08:37:41] $GPGGA,140846.0,5149.732336,N,00515.333670,E,1,08,2.0,66.0,M,,,,*30|51.8288722666667|5.25556116666667|66|18/06/08 08:37:41

[18/06/08 08:38:11] $GPGGA,140916.0,5150.123070,N,00514.980795,E,1,08,1.8,56.0,M,,,,*3A|51.8353845|5.24967991666667|56|18/06/08 08:38:11

[18/06/08 08:38:41] $GPGGA,140946.0,5150.506026,N,00514.608271,E,1,08,1.1,55.5,M,,,,*30|51.8417671|5.24347118333333|55.5|18/06/08 08:38:41

[18/06/08 08:39:11] $GPGGA,141016.0,5150.880931,N,00514.227963,E,1,07,2.2,54.5,M,,,,*3E|51.8480155166667|5.23713271666667|54.5|18/06/08 08:39:11

[18/06/08 08:39:42] $GPGGA,141046.0,5151.257714,N,00513.859120,E,1,07,1.7,53.5,M,,,,*39|51.8542952333333|5.23098533333333|53.5|18/06/08 08:39:41

[18/06/08 08:40:12] $GPGGA,141116.0,5151.656495,N,00513.519352,E,1,08,2.1,52.0,M,,,,*32|51.8609415833333|5.22532253333333|52|18/06/08 08:40:11

[18/06/08 08:40:42] $GPGGA,141146.0,5152.074661,N,00513.159884,E,1,07,1.9,52.0,M,,,,*3F|51.8679110166667|5.2193314|52|18/06/08 08:40:41

[18/06/08 08:41:12] $GPGGA,141216.0,5152.488310,N,00512.774676,E,1,07,2.5,49.0,M,,,,*33|51.8748051666667|5.21291126666667|49|18/06/08 08:41:11

[18/06/08 08:41:42] $GPGGA,141246.0,5152.894305,N,00512.380246,E,1,08,1.8,50.0,M,,,,*32|51.88157175|5.20633743333333|50|18/06/08 08:41:41

[18/06/08 08:42:12] $GPGGA,141316.0,5153.284202,N,00512.035428,E,1,07,1.7,55.0,M,,,,*3C|51.8880700333333|5.20059046666667|55|18/06/08 08:42:11

[18/06/08 08:42:47] $GPGGA,141351.0,5153.724096,N,00511.641188,E,1,08,1.2,53.0,M,,,,*3A|51.8954016|5.1940198|53|18/06/08 08:42:46

[18/06/08 08:43:17] $GPGGA,141422.0,5154.101028,N,00511.254286,E,1,08,1.2,55.0,M,,,,*31|51.9016838|5.18757143333333|55|18/06/08 08:43:17

[18/06/08 08:43:47] $GPGGA,141452.0,5154.513191,N,00510.946815,E,1,08,1.4,52.0,M,,,,*3A|51.9085531833333|5.18244691666667|52|18/06/08 08:43:47

[18/06/08 08:44:17] $GPGGA,141522.0,5154.927145,N,00510.643407,E,1,08,1.0,51.0,M,,,,*3C|51.9154524166667|5.17739011666667|51|18/06/08 08:44:17

[18/06/08 08:44:47] $GPGGA,141552.0,5155.326939,N,00510.300419,E,1,08,1.0,51.0,M,,,,*3F|51.92211565|5.17167365|51|18/06/08 08:44:47

[18/06/08 08:45:17] $GPGGA,141622.0,5155.684541,N,00509.934971,E,1,08,1.9,51.0,M,,,,*3A|51.9280756833333|5.16558285|51|18/06/08 08:45:17

[18/06/08 08:45:48] $GPGGA,141652.0,5156.054188,N,00509.565194,E,1,08,1.1,51.0,M,,,,*37|51.9342364666667|5.1594199|51|18/06/08 08:45:47

[18/06/08 08:46:18] $GPGGA,141722.0,5156.380685,N,00509.063044,E,1,08,2.6,52.5,M,,,,*3C|51.9396780833333|5.15105073333333|52.5|18/06/08 08:46:17

[18/06/08 08:46:48] $GPGGA,141752.0,5156.669976,N,00508.563680,E,1,08,1.6,52.5,M,,,,*33|51.9444996|5.142728|52.5|18/06/08 08:46:47

[18/06/08 08:47:18] $GPGGA,141822.0,5156.944188,N,00508.101593,E,1,08,1.4,52.0,M,,,,*34|51.9490698|5.13502655|52|18/06/08 08:47:17