| Macros | |
| __USE_TIME64 | __USE_TIME64 |
| Types | |
| __time64_t | Time type |
| __timespec64 | Time structure |
| clock_t | Clock type |
| time_t | Time type |
| timespec | Time structure |
| tm | Time structure |
| Functions | |
| _ctime64 | Convert a time_t to a string |
| _ctime64_r | Convert a time_t to a string |
| _difftime64 | Calculates the difference between two times |
| _gmtime64 | Convert a time_t to a struct tm |
| _gmtime64_r | Convert a time_t to a struct tm |
| _localtime64 | Convert a time_t to a struct tm |
| _localtime64_r | Convert a time_t to a struct tm |
| _mktime64 | Convert a struct tm to time_t |
| _time64 | Returns the current calendar time |
| _timespec64_get | Get the current calendar time |
| asctime | Convert a struct tm to a string |
| asctime_r | Convert a struct tm to a string |
| clock | Returns the approximate processor time used |
| ctime | Convert a time_t to a string |
| ctime_r | Convert a time_t to a string |
| difftime | Calculates the difference between two times |
| gmtime | Convert a time_t to a struct tm |
| gmtime_r | Convert a time_t to a struct tm |
| localtime | Convert a time_t to a struct tm |
| localtime_r | Convert a time_t to a struct tm |
| mktime | Convert a struct tm to time_t |
| strftime | Format a struct tm to a string |
| time | Returns the current calendar time |
| timespec_get | Get the current calendar time |