| Name | Brief | Example |
|---|---|---|
| _tzset | Uses the current setting of the environment variable TZ to update time settings. | Examples |
| asctime | Converts a tm time structure to a character string. | Examples |
| CompareFileTime | compares two 64-bit file times | Examples |
| convert_time_to_local | Converts a time value and corrects for the local time zone.. | Examples |
| convert_time_to_tm | Converts a time value to a structure. | Examples |
| date_to_str_custom | Convert a Julian date value to a string formatted according to that represents date/time | Examples |
| difftime | The difftime function computes the difference between the two supplied time values timer0 and timer1. | Examples |
| DosDateTimeToFileTime | The DosDateTimeToFileTime function converts MS-DOS date and time values to a 64-bit file time. | Examples |
| file_time_compare | compare two file time | Examples |
| FileTimeToDosDateTime | converts a 64-bit file time to MS-DOS date and time values | Examples |
| FileTimeToLocalFileTime | Convert a file time to a local file time. | Examples |
| FileTimeToSystemTime | Converts a 64-bit file time (in form of a FILETIME structure) to system time format. | Examples |
| get_date_period | The function to get the date time period of one year, or one quarter, and so on. | Examples |
| get_date_str | convert a Julian date value into a string | Examples |
| get_file_last_write_time_as_julian | Get file last write time as Julian date value | Examples |
| get_file_time | Get file last write time and create time as Julian date value or as string. | Examples |
| get_month_name | get the string representing the month given a number from 1 to 12 | Examples |
| get_time_setting | Get time information | Examples |
| get_weekday_name | get the string representing the weekday given a number from 0 to 6 | Examples |
| GetFileTime | This function retrieves the file creation time, last access time, last write time. | Examples |
| GetSystemTime | This function retrieves the current system date and time. The system time is expressed in Coordinated Universal Time (UTC). | Examples |
| gmtime | The gmtime function breaks down the timer value and stores it in a statically allocated structure of type tm, defined in TIME.H. The value of timer is usually obtained from a call to the time function. | Examples |
| is_str_date | Checks if a string is a date in the form "yyyyMMdd" | Examples |
| JulianDateToSystemTime | convert a double in Julian date format to a system time struct | Examples |
| LocalFileTimeToFileTime |
The LocalFileTimeToFileTime function converts a local file time to a file time based on the Coordinated Universal
Time (UTC). |
Examples |
| localtime | Convert a time stored as a time_t value and stores the result in a structure of type tm. | Examples |
| mktime | Convert the supplied time structure to a time_t value. | Examples |
| ocu_guess_date_time | scan the strings to see if they are consistently date-time text | Examples |
| okutil_date_str_convert | Convert to or convert from date string. | Examples |
| okutil_datetime_convert | Convert Unix timestamp to or from Julian date. | Examples |
| okutil_get_file_last_write_time_as_julian | This function is to get specified file's last wirtten time. | Examples |
| okutil_time_add_day | Add day(s) to time data when hours wrap after 24. | Examples |
| SetFileTime | This function sets the date and time that a file was created, last accessed, or last modified. | Examples |
| str_to_date | Convert a text string that represents date/time into a Julian date value, using system date time format | Examples |
| str_to_date_custom | Convert a text string that represents date/time into a Julian date value | Examples |
| str_to_time | Convert a time formated string to a Julian value | Examples |
| systemtime_to_date_str | Convert a SYSTEMTIME structure to a formatted string. | Examples |
| systemtime_to_tm | convert system time struct to tm struct. | Examples |
| SystemTimeToFileTime | Converts a system time to 64-bit file time | Examples |
| SystemTimeToJulianDate | Convert a SYSTEMTIME structure to a Julian date value. | Examples |
| time | Get the number of seconds elapsed since midnight (00:00:00), January 1, 1970. | Examples |
| tm_to_systemtime | Convert time from a TM structure to a SYSTEMTIME structure. | Examples |