| std::current_time | returns the current date and time |
| std::date_and_time | constructs a date-and-time object |
| std::day_of | the day of a month of a date-and-time object |
| std::day_of_week_of | the day of the week of a date-and-time object |
| std::from_unix_time | constructs a date-and-time object from the number of seconds since the UNIX epoch |
| std::hour_of | the hour of a date-and-time object |
| std::minute_of | the minute of an hour of a date-and-time object |
| std::month_of | the month of a date-and-time object |
| std::second_of | the second of a minute of a date-and-time object |
| std::year_of | the calendar year of a date-and-time object |
| std_types::date_and_time | the prototype object for date-and-time objects |
| std_types::date_and_time/std::day_of | returns the day of the month |
| std_types::date_and_time/std::day_of_week_of | returns the month of the year |
| std_types::date_and_time/std::equal | compares two date-and-time objects for equality |
| std_types::date_and_time/std::hour_of | returns the hour of the day |
| std_types::date_and_time/std::less | compares two date-and-time objects |
| std_types::date_and_time/std::minus | subtracts a time delta or another date-and-time object from a date-and-time object |
| std_types::date_and_time/std::minute_of | returns the minute of the hour |
| std_types::date_and_time/std::month_of | returns the month of the year |
| std_types::date_and_time/std::plus | adds an arbitrary time delta to a date-and-time object |
| std_types::date_and_time/std::second_of | returns the second of the minute |
| std_types::date_and_time/std::time_shift_of | returns the time shift of a date-and-time object |
| std_types::date_and_time/std::to_string | returns a string representation of the date-and-time object |
| std_types::date_and_time/std::year_of | returns the calendar year |