# SDL_GetDaysInMonth Get the number of days in a month for a given year. ## Header File Defined in [<SDL3/SDL_time.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_time.h) ## Syntax ```c int SDL_GetDaysInMonth(int year, int month); ``` ## Function Parameters | | | | | --- | --------- | ----------------- | | int | **year** | the year. | | int | **month** | the month [1-12]. | ## Return Value (int) Returns the number of days in the requested month or -1 on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryTime](CategoryTime)