/* default base date = 2000 Jan/1 00:00:00 */
#define DEFAULT_MJD 51544
#define DEFAULT_YEAR 2000
#define DEFAULT_MONTH 1
#define DEFAULT_DAY 1
#define DEFAULT_HOUR 0
#define DEFAULT_MIN 0
#define DEFAULT_SEC 0
/* total accumulative seconds from 1980 Jan/6 00:00:00 to 2000 Jan/1 00:00:00 */
//hint: (2000 1/1 0:0:0 ~ 1980 1/1 0:0:0) - (1980 1/6 0:0:0 ~ 1980 1/1 0:0:0)
#define DEFAULT_SYSTEM_TIME 630720000
修改基准时间或者在转换时间以后添加5天即可。