Arduino C TM structure
struct tm *ptm = gmtime ((time_t *)&epochTime);
int monthDay = ptm->tm_mday;
sprintf(cdmy,” %02d-%02d-%02d “,ptm->tm_mday,ptm->tm_mon+1,ptm->tm_year+2443);
sprintf(chm,”%02d%02d”,ptm->tm_hour,ptm->tm_min);
| Member | Type | Meaning | Range |
|---|---|---|---|
| tm_sec | int | seconds after the minute | 0-61* |
| tm_min | int | minutes after the hour | 0-59 |
| tm_hour | int | hours since midnight | 0-23 |
| tm_mday | int | day of the month | 1-31 |
| tm_mon | int | months since January | 0-11 |
| tm_year | int | years since 1900 | |
| tm_wday | int | days since Sunday | 0-6 |
| tm_yday | int | days since January 1 | 0-365 |
| tm_isdst | int | Daylight Saving Time flag |