question:  How long was Mary standing outside?
context: Transcriber's Note: This etext was produced from Astounding Science Fiction December 1955. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed. Phil Conover pulled the zipper of his flight suit up the front of his long, thin body and came into the living room. His wife was sitting stiffly on the flowered couch that was still not theirs completely. Then she leaned forward and crushed the cigarette in the ash tray on the maple coffee table and took another from the pack. He came to her and touched his hands to her soft blond hair, raising her face until she was looking into his eyes. Yes, I'm sure you did," she said, finishing the ritual; but her voice broke, and she turned her head away. If anything could go wrong, they wouldn't be sending me; you know that. I told you that we've sent five un-manned ships up and everyone came back without a hitch." "Mary, you know I can't back out now. Nothing would ever be right with me again if I didn't go. "I've got to get started, Mary. "Phil, if you go, I won't be here when you get back—if you get back. I won't be here because I won't be the wife of a space pilot for the rest of my life. No matter how much I love you, I just couldn't take that, Phil. She finished and took another cigarette from the pack on the coffee table and put it to her lips. Her hand was trembling as she touched the lighter to the end of the cigarette and drew deeply. "I wish you had told me this a long time ago, Mary," Phil said. "Yes, you did. I told you I could never be the wife of a space pilot. But I don't think I ever really believed it was possible—not until this morning when you said tonight was the take-off. "It isn't a dream.
output:  For almost half a day.
options:  She had gone home but came back for the launch.  For almost half a day.  For a couple hours as Phil went through pre-boarding procedure.  A full 24 hours.