//UTC時間信息
__packed?
typedef?struct??
{										????
?	uint16_t?year;	//年份
	uint8_t?month;	//月份
	uint8_t?date;	//日期
	uint8_t?hour;?	//小時
	uint8_t?min;?	//分鐘
	uint8_t?sec;?	//秒鐘
}nmea_time;

void?UTC_to_Worldtime（nmea_time*	utc_time?int8_t	timezone）
{
	int?yearmonthdayhour;
????int?lastday?=?0;					//last?day?of?this?month
????int?lastlastday?=?0;			//last?day?of?last?month
????

????year	?=?utc_time->year;			?//utc?time
????month??=?utc_time->month;
????day?	?=?utc_time->date;
????hour?	?=?utc_time->hour?+?timezone;?
	
????if（month==1?||?month==3?||?month==5?||?month==7?||?month==8?||?month==10?||?month==12）{
????????lastday?=?31;
????????if（month?==?3）{
????????????if（（year%400?==?0）||（year%4?==?0?&&?year%100?!=?0））				//if?this?is?lunar?year
????????????????lastlastday?=?29;
????????????else
????????????????lastlastday?=?28;
????????}
????????if（month?==?8）
????????????lastlastday?=?31;
????}
????else?if（month?==?4?||?month?==?6?||?month?==?9?||