In the film "Interstellar", how long did they spend on Miller's planet?

In the film "Interstellar," the crew spends approximately 23 years, 4 months, and 8 days on Miller's planet due to time dilation caused by gravitational forces. Miller's planet is located near a massive black hole called Gargantua, which creates a strong gravitational pull, affecting time in its vicinity. Consequently, time passes much slower near the black hole compared to the rest of the universe. Therefore, although the crew only spends a few hours on the planet, when they return to their spaceship, they realize that 23 years have passed on Earth.