# std::literals::chrono_literals Symbol Index

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< cpp‎ | symbol index

This page tries to list all the symbols that are available from the Standard Library in the namespace std::literals::chrono_literals::. The symbols are written as follows:

- Function names with ().
- Templates with <>.

### Notes

These operators are declared in the namespace `std::literals::chrono_literals`, where both `literals` and `chrono_literals` are inline namespaces. Access to these operators can be gained with using namespace std::literals, using namespace std::chrono_literals, and using namespace std::literals::chrono_literals.

In addition, within the namespace `std::chrono`, the directive using namespace literals::chrono_literals; is provided by the standard library, so that if a programmer uses using namespace std::chrono; to gain access to the classes in the chrono library, the corresponding literal operators become visible as well.

##

> `D H M N S U Y`

### D

`d` (since C++20)

### H

`h` (since C++14)

### M

`min` (since C++14)
`ms` (since C++14)

### N

`ns` (since C++14)

### S

`s` (since C++14)

### U

`us` (since C++14)

### Y

`y` (since C++20)

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